Sometime in 2003 BMW switched from a Poly V alternator belt to the Elast belt on the R-bikes. Title says it. Our '95 GMC has a standard spring-loaded GM tensioner that required us to pull it back with a wrench. A small outer belt drives the A/C compressor and the larger inner belt drives the alternator, coolant pump and the power steering pump. An alternator is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current. I’d recommend replacing the belt with the alternator unless you know it is fairly new. Buy Online Alternator For your BMW 3 (E36) 316 i 80A DELCO : 80A DELCO and enjoy Fast Shipping Warranty Original Used Parts. The BMW E46 models utilize 2 multi-rib engine drive belts. Easy to use parts catalog. If your belt is too tight, you could shear the bolts of the pulleys, or the belt itself might break off while you are driving. It is also known as a main drive belt. How do you replace the belts on a 99 bmw 323i? My belts popped on my car this weekend. If you only slipped the belt off the alternator pulley and left the rest untouched then simply slip the belt over the alternator pulley. The Parts are grouped into diagrams and diagrams are grouped into categories and subcategories. 2015 BMW X4. The average cost for a BMW 528i drive belt tensioner replacement is between $262 and $352. com offers BMW Alternators. Make sure that the belt is aligned in all pulleys before releasing the belt tensioner. BMW Alternator Drive Belt parts online. Sometimes a big screwdriver helps to get it over the last (alternator) pulley. Get Yours Today! We have the best products at the right price. Just wanted to help people who are strugling with this. 1L L6 Drive Chevrolet Gates Alternator 3. Free Same Day Store Pickup. I've currently driven about 200 miles and everything is running A+. I think they are three screws that secure the alternator so be sure you loosen and tighten them all. Buy a 2003 BMW 330i Alternator at discount prices. I also had checked to make sure no belts snapped. Alternator Repair Cost Estimate BMW 3 Series 316i 1992. To install this belt, we highly recommend using the special tool 7220043 to avoid damage to the belt which could result in premature failure. Labor costs are estimated between $86 and $110 while parts are priced between $36 and $43. Alternator whine is caused by a difference in electrical potential (voltage) between two points. DIY how to test a BMW E39 battery & alternator (discussion) Compliments of bluebee @ bimmerfest. The V-belt must be loosened when replacing the alternator. When it comes to your BMW 325Ci, you want parts and products from only trusted brands. BMW E46 DIY (Do It Yourself). Samstag Sales can provide BMW tools specified for your tool kit, some of which have BMW lettering. The average cost for a BMW X3 serpentine belt replacement is between $122 and $153. So, f*ck OEM which only lasted 50K miles. In some cases, this belt applies to the later dual spark models. Free Same Day Store Pickup. alternator pulleys, pulleys for alternators, Clutch Pulleys, Decoupler Pullies, v belt pulleys,6 groove, 8 groove, 2v belt,. The belt may also be guided by an idler pulley and/or a belt tensioner (which may be spring-loaded, hydraulic, or manual). In the early stages of alternator problems the light can seem to flicker — on for just a second and then off again. FYI- Dealer asks $100 for the belts and labor around $250! FYI- Dealer asks $100 for the belts and labor around $250! 2005 BMW X3 drive belts - Duration: 6:12. The biggest offender of noise in the car audio environment is alternator whine. when you turn this torx screw, the tensioner will move and relax the tension on the belt. Find Ina, 5320418100 Drive Belt Idler Pulley; Deflection Pulley, Offset Mount; Water Pump/Alternator Belt 11281738605 at discount prices in our extensive BMW auto parts catalog. Pulleys are simply a means of transferring power. Remove fan clutch with fan impeller. Worn belts can damage components such as your AC, battery, power steering and cooling system in your 2001 BMW X5 3. If you fully removed the serpentine belt, no worries, here is a diagram: Now, re-install the alternator cooling duct. lol well not sure anything with that info but if no belt tensioner u usually have to loosen the alternator to replace that belt, and the powersteering for the other belt, if no tensioner, make sure to pry on these two accesories in a "solid spot" so that the belt tension is able to move up and down. o and heads up the point. 266 (A/C compressor). com offers the lowest prices for genuine 2005 BMW X5 3. Please Note: The Continental designation for this belt is 4PK592(582) and it is the equivalent of BMW designation 4PK582. 0L, BMW E46 330xi M54 3. Find many great new & used options and get the best deals for EB405 2009 09 BMW R1200 R K27 ALTERNATOR BELT at the best online prices at eBay! Free shipping for many products!. How do I adjust the tentioner so the belt will be correctly tight on the pulleys. Is the BMW 528i ac and alternator belt the same? I would imagine it depends on your chassis. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. It is frequently called an accessory belt. The BMW E46 models utilize 2 multi-rib engine drive belts. How much should it cost to change drive belts and alternator belt idler (pulley)? I took it to a mechanic and they told me I need to replace the drive belts and the alternator belt pulley. Replace or tighten as necessary, making sure the belt is properly aligned on the pulley. Another method (and the. A belt that's loose can lessen the output of the alternator and run down the car's battery as well. Tightening the belt often does the trick. It's about time to do this but when checking the maintenance manual it says to just pry the old one off and push the new one on with a special BMW Pelican Parts Forums Changing R1200S alternator belt - Pelican Parts Forums. when you turn this torx screw, the tensioner will move and relax the tension on the belt. Replace worn-out alternator bearings. We recommend you look at your old belt prior to ordering. com offers the lowest prices for genuine 2005 BMW X5 3. I noticed there were two other belts. Labor costs are estimated between $89 and $113 while parts are priced between $42 and $51. 1 This price excludes a refundable manufacturer's core charge. DB Electrical AVA0103 New Alternator for BMW 3. BMW 3 Series (E46) E46 3/ 2001 - 12/ 2007 Diesel: 318 d, 318 td, 320 d, 320 td M47D20. Car Audio Noise. It is the best way to install the Elast Alternator belt without damage. I neglected mine for too long and the belt the powers the alternator and water pump broke 60 miles from my house, leaving me stranded. They quoted me "around $2,100" including 8 hours of labor. No special tool needed. but Some owners of MB or BMW they change it from every 2,000 miles to every 5,000 miles. When it comes to your BMW 330i, you want parts and products from only trusted brands. Use a properly rated alternator. Recycling Catch and dispose of escaping coolant. Buy OEM & Genuine parts with a Lifetime Warranty, Free Shipping and Unlimited 365 Day Returns. Important fitment Information: This belt fits R1100 S and R1150 models after production date 07/2003. 8L, BMW E46 M54 2. Alternator Repair Cost Estimate BMW 3 Series 316i 1992. Getting Started: Remove the battery positive terminal from the battery. Mark direction of belt rotation before removing if reusing belt. Mark and routing guides for car engines which help facilitate a repair which otherwise would be difficult. BMW X5 Serpentine/Drive Belt Replacement costs between $99 and $272 on average. Do what many of us did; change the belt. Alternator problems manifest themselves in various ways, depending upon the particular failure. How do you replace the belts on a 99 bmw 323i? My belts popped on my car this weekend. This item fits the following BMWs: 2001-2006 E46 BMW M3, M3 Convertible. You'll need to move it enough to slip the belt off the pulley. 0D 01 to 05 Dayco 11287787535 New. 2: Timing Belts - Amazon. An alternator is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current. Being as how I'm a lazy git I thought I'd get one of those nice alternator belt tensioning tools (special tool 12 3 551) so I could do the job without mucking around with the fuel tank etc, etc. Simply slip over and tighten screw clamp. For the E39 (5-series 1995-2003), there are two different belts for the ac and alternator. The BMW E46 models utilize 2 multi-rib engine drive belts. 16 May 2013. Install the alternator cooling duct. I checked on line, and it lists for $192. At the Paris Auto Show, BMW introduced a system it calls Intelligent Alternator Control (IAC) to generate electric power for a car’s on-board network exclusively in overrun and during braking—IAC thus also incorporates a system for regenerating brake energy. Any help is appreciated. maybe do it your self or find a good authorize dealer to do it for less if that is your. I neglected mine for too long and the belt the powers the alternator and water pump broke 60 miles from my house, leaving me stranded. , In Stock 100%. I think they are three screws that secure the alternator so be sure you loosen and tighten them all. The V-belt must be loosened when replacing the alternator. Here at Advance Auto Parts, we work with only top reliable Alternator product and part brands so you can shop with complete confidence. What is the current BMW service recommendation for changing the alt. Rotate Clock Wise to loosen tension on the belts. Set, belts for water pump, alternator. Excessive material loss may be preventing the belt from fitting the alternator pulleys properly, or the belt may be cracking on either the ribbed side, or on the flat backside. Check out the ClickMechanic price for a BMW 1 Series Alternator belt tensioner replacement in the UK. 1 This price excludes a refundable manufacturer's core charge. Belt tensioners are extremely important in the proper operation of the accessory belt drive system. BMW 1 Series Alternator Belt Tensioner Replacement cost. Alternator Repair Cost Estimate BMW 3 Series 316i 1992. This alternator belt is either a v-belt or a flat ribbed belt more commonly known as a serpentine belt. 5l 1995-2003 p/s v6 maxima 3. Start with outer belt (A/C Belt). If you removing the radiator cooling fan, it will give you access to the alternator. Good luck and have a nice day. Booking adjusted price before making a shop. com FREE DELIVERY possible on eligible purchases. Install the accessory belt. Bmw M20 & M30 engines have 3 v-belts (you should change all of them at the same time) 1. 0 525 Series 06 07 2006 2007, 530 Series 06 07 2006 2007 12-31-7-521-178 12-31-7-525-376 400-40042 11260 TG17C015 439560. Order replacement alternators online for next day UK delivery | Euro Car Parts. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. 44!! I am hoping someone on this forum has developed a cheaper way to install a new belt. Therefore the belt would not run these accessories and these models often have just one accessory drive belt. Power steering belt for E36: - 318 is engine M42 Alternator and coolant pump belt for E36: - 316 i M43 ->09/95 with a 70 A or 80A alternator - 318 i M43 ->09/95 and 318 iS M42 with a 70 A or 80A alternator Alternator and coolant pump belt for BMW E34: - 518 i M43 with an 80A alternator Check the Dimensions:s on your original belt. 8L, BMW E39 530i M54 3. The drive belts (also called serpentine belts) provide power to ancillaries such as power the water pump, alternator, air-conditioning compressor and power steering pump. Observe country-specific waste-disposal regulations. This will cause the belt to slip across the pulley surface during belt and alternator speed fluctuations. He adds that fluid leaks in the alternator or a tight belt can also cause damage to the alternator bearings, causing premature wearing. Order Alternator for your 2007 BMW 328i and pick it up in store—make your purchase, find a store near you, and get directions. 93 civic alternator belt [ 1 Answers ] Hi, I was recently looking under the hood of my daughter's car and I noticed the alternator belt was very worn in one area. If the older pulley with the nut, PK611 and set by tension. The best High amp alternators can be found from Nations Alternators. I noticed there were two other belts. 0L, BMW E46, BMW E53. Getting the old belt off was easy, just loosened the 3 bolts and dropped the alternator down by 1/2 inch or so. The serpentine belt on the BMW 316I has a tensioning device that holds the serpentine belt onto the engine accessory pulleys. An alternator is bolted to the engine and is driven by a serpentine belt (drive belt). Contact Us. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. BMW E39 M5 S62 5. You are viewing the details of a request to receive quotes, posted by another user. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. DIY how to test a BMW E39 battery & alternator (discussion) Compliments of bluebee @ bimmerfest. A vast selection of Drive belt tensioner (alternator belt tensioner) of original quality for BMW 3 Series. 1987 BMW L7. The Parts are grouped into diagrams and diagrams are grouped into categories and subcategories. 8L, BMW E36 328is M52 2. Advance Auto Parts has 2 different Alternator Decoupler Pulley for your vehicle, ready for shipping or in-store pick up. Engine stalls. I have the right belt. Estimate does not include taxes and fees. The average cost for a BMW 325i alternator replacement is between $481 and $780. When replacing alternator, you only have to remove alternator drive belt from alternator pulley and move aside, it does not have to be removed from the engine. The average cost for a BMW X3 serpentine belt replacement is between $122 and $153. You may be able to confirm the correct belt if the BMW # 12 31 1 341 779 is still legible. 0D 01 to 05 Dayco 11287787535 New. You can book online and our mobile mechanics will come and do the work on your doorstep, one way to make your life a little easier!. Learn more about the 1998 BMW 5 Series. Buy BMW Belt - Alternator, Water Pump 6K X 1555 E36 E39 Z3 320i 323i 325i 325is 328i M3 M3 3. If your car or truck's serpentine belt, fan belt, or alternator belt is worn, now is the time to replace it with these step-by-step instructions. BMW 3 Series (E46) E46 3/ 2001 - 12/ 2007 Diesel: 318 d, 318 td, 320 d, 320 td M47D20. Choose top quality brands ContiTech, Gates, Replacement. Using a T60 Torx bit, rotate the tensioner in a clockwise direction. Buy Brand New Replacement Contitech Continental Alternator Belt Compatible with BMW Oilhead: Alternators & Generators - Amazon. Free Same Day Store Pickup. Here we have an example of the ubiquitous BMW N-series engine, and a common failure point (among others), the serpentine belt tensioner. Check out free battery charging and engine diagnostic testing while you are in store. This will cause the belt to slip across the pulley surface during belt and alternator speed fluctuations. I’d recommend replacing the belt with the alternator unless you know it is fairly new. Get the best deals on Motorcycle Alternators & Parts for BMW R1150RT when you 2002 02-05 BMW R1150RT R1150 RT OEM ALTERNATOR GENERATOR CHARGER BELT SET (Fits: BMW. Free Same Day Store Pickup. The alternator belt on the Toyota Celica is driven by the crankshaft pulley. I noticed there were two other belts. Shop our wide selection of BMW Drive Belts & V-Belts for your BMW X Series E53 (2000-2006). 2) The cover should pull out slightly and then down. BMW E46 DIY (Do It Yourself). Let the people with 12+ years of experience in finding and buying car parts help you find the best Alternator for your BMW X3. Hurry and buy!. 6 Rib Multi V Drive Belt fits BMW 320 E46 2. BMW E39 M5 S62 5. Alternator Tools & Parts: Turner Motorsport (e46 M3 alternator link)-Alternator/ Bosch remanu from Turner Motorsports or BMW OEM only-Pliers-Screwdriver-3/8 driver ratchet-12mm,13mm, 16mm, 17mm sockets-Torx50 socket-6mm allen bit socket-Shop towels This is a good time to also do: (Belt replacement DIY Link) Step1:. 2L L6 - Gas Catalog. Loosen the mounting bolts and remove the old belt by slipping it over the pulley (you may have to remove other belts to get to the one you want to change). BMW alternator is an essential component in a car engine's electrical system. If the belt is worn or loose, the alternator won't function properly. A serpentine belt is a single, continuous belt used to drive multiple peripheral devices in an automotive engine, such as an alternator, power steering pump, water pump, air conditioning compressor, air pump, etc. Always replace existing belts with the finest quality replacements available. It's a fairly straightforward job, although you can expect it to take you a while, especially if you haven't done anything like it before. Mark and routing guides for car engines which help facilitate a repair which otherwise would be difficult. In this DIY video we will replace the alternator on an E30 chassis BMW (3-series 84-91). VALUE LINE. BMW Alternator. Address : 400 Gulf Freeway League City, 77573. Welcome to PowerBastards. Check out free battery charging and engine diagnostic testing while you are in store. The pricing on this product is great compared to others I've seen and even includes direction on properly installing the alternator. The BMW E46 models utilize 2 multi-rib engine drive belts. Getting the old belt off was easy, just loosened the 3 bolts and dropped the alternator down by 1/2 inch or so. Bmw M20 & M30 engines have 3 v-belts (you should change all of them at the same time) 1. 5l alternator for 1995-2003 drive kit a/c. Release remaining 3 screws (5) on alternator. Ac is closest to the fan, Power Steering is in the Middle, and the Alternator belt is furthest from the fan (closest to the engine block) Posted on Jan 26, 2010. The serpentine belt on the BMW 316I has a tensioning device that holds the serpentine belt onto the engine accessory pulleys. Choose top quality brands AC Delco, Bando, ContiTech, Dayco, Gates. Here at Advance Auto Parts, we work with only top reliable Alternator product and part brands so you can shop with complete confidence. If you removing the radiator cooling fan, it will give you access to the alternator. E30 318i Repair - Accessory Belt Replacement. Buy a 1993 BMW 325i Multi Rib Belt at discount prices. 0 525 Series 06 07 2006 2007, 530 Series 06 07 2006 2007 12-31-7-521-178 12-31-7-525-376 400-40042 11260 TG17C015 439560. RA Removing and installing/replacing alternator (M60, M62) BMW AG - TIS 16. 5l alternator for 1995-2003 drive kit a/c. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. 2001 BMW Z3 M Roadster 3. 1998 - 528i (Tip applies to All E39 528's) by Bryan H. We know you love your BMW X3 and want to make sure it's taken care of (maybe he or she even has a name?). Learn more about the 1998 BMW 5 Series. You are about to leave BMWUSA. Your BMW X5 will be happy to know that the search for the right Alternator products you've been looking for is over! Advance Auto Parts has 44 different Alternator for your vehicle, ready for shipping or in-store pick up. BMWPartsDeal. Shop MINI Parts By Model. The drive belts (also called serpentine belts) provide power to ancillaries such as power the water pump, alternator, air-conditioning compressor and power steering pump. 5L, BMW E36 323is M52 2. SOURCE: Belt Diagram for 1986 BMW 325e. Somewhere on your vehicle there is a tensioner pulley. I was just curious how hard it was to change the alternator belt. I know that BMW's interval recommendations are sometimes amended - don't know where they stand on alt. Gunning says when the alternator goes bad, the electronics try to draw all of their power off the battery, which can cause the battery to die as well. 266 (A/C compressor). remove the primary accessory belt that connects to the alternator. Draw a diagram of the belt routes. Something was clearly causing the problem. Chris Harris 103,600 views. Serpentine Belt Diagram for 2009 BMW X5 This BMW X5 belt diagram is for model year 2009 with 6 Cylinder 3. An alternator is bolted to the engine and is driven by a serpentine belt (drive belt). The model used in this video is a 1987 325is, and we will be installing the high quality Bosch remanufactured alternator. Without a properly working alternator and alternator belt, the power that the car needs will not be. Use a properly rated alternator. Replacing Alternator Drive Belt Note: If the drive belt is to be subsequently reused: Mark direction of travel and reinstall drive belt in same direction of travel. Precision and functionality down to the smallest detail: Original BMW Parts are subject to the same standards of quality as BMW vehicles–from construction planning to quality assurance. We are adding these new products to our web site daily. BMW X5 Alternator Drive/Serpentine Belt Replacement cost. The name fan belt is a bit of a misnomer nowadays because the belt drives much more than just a fan. Shop BMW Parts By Series. The best part is, our BMW 330i Alternator Decoupler Pulley products start from as little as $56. 5L, BMW E36 M50 2. You can book online and our mobile mechanics will come and do the work on your doorstep, one way to make your life a little easier!. I declined the repair and ordered a new alternator, voltage regulator, AC belt, main belt, and coolant. Privacy Policy. 264 (Alternator) and 11. In essence a car's alternator charges the battery and powers the car's electrical system when its engine is running. cannot find link to alternator belt replacement on the R1200, have the DVD but not on my copygot old one off using plastic sleeve, need help rolling new one on! fingers are not a good idea. Choose top quality brands AC Delco, Bando, ContiTech, Dayco, Gates. If necessary, remove A/C compressor drive belt. 1 This price excludes a refundable manufacturer's core charge. You are viewing the details of a request to receive quotes, posted by another user. DB Electrical AVA0103 New Alternator for BMW 3. Replacing the belt is essential in restoring the lights back to normal. Rotate Clock Wise to loosen tension on the belts. Get the best deals on Belts, Pulleys & Brackets for BMW 323i when you shop the largest online OEm Serpentine Drive Belt Alternator Water Pump For BMW 3 5 Series. Route the belt over the alternator pulley and get as much as you can over the right side (as you are facing the bike, it will be the left side of the bike) of the crank pulley then rotate the crank pushing the belt onto the lower pulley with your hand. Any help is appreciated. Install the alternator cooling duct. The easiest way to identify the belt you require is either by matching the last three of the BMW part # OR, by matching the length from your old belt. So, f*ck OEM which only lasted 50K miles. Tony, Holden Commodore, Supply & Fit Alternator. not wonder you choose coupons. BMW 3 Series Alternator Belt Tensioner Replacement cost. 11287636372 11287509520. What would happen if your alternator belt broke off while you were driving? What would happen if you alternator broke off or was removed/cut off while the car was parked, and you tried to drive it?. Shop for BMW X5 Alternator products with confidence at AutoZone. Buy a 2003 BMW 330i Alternator at discount prices. Another method (and the. Unsure where to start, we looked at the alternator because the belt wrapped around that specific pulley. Order BMW 530i Alternator online today. I took it to a local mechanic and they took everything apart and do not know the alternator belt configuration. This Assembled By ECS Hydraulic Alternator Belt Tensioner Conversion Kit (Mfg#11287838797) fits BMW E34 525i M50 2. Blunt offers several and I am not sure which one fits. If a belt is not turning freely, the excess friction will cause the belt to heat up, which produces a burning rubber smell. The size is 6PK1460. At the heart of the system is the belt. BMW part 12 31 7 681 841 ELAST: 4PK582, R12RT/Adv, BMW part 12 31 7 690 57. Ribbed Alternator Belt for BMW R Hexhead applications. Comprised of diodes which can exert 12 to 14 volts DC, the BMW 740il alternator powers various electrical components in your car such as a power sunroof, built-in DVD player, and heated seats. Just finishing up my timing belt, waterpump, cam shaf seal maintenance on my 89 325i. About 50 miles later, the belt started shredding again. 0L, BMW E46 M3 S54 3. Good luck and have a nice day. Address : 400 Gulf Freeway League City, 77573. Cart is Empty. The whole experience was so impressive we will be trying Lube Mobile for our next general car services! Gordon, Nissan Pulsar, Supply & Fit. I declined the repair and ordered a new alternator, voltage regulator, AC belt, main belt, and coolant. Loosen the alternator bracket bolts, and alternator adjusting bolts or alternator belt tensioner so that you can remove the alternator drive belt. It is regarded as a critical component. Excessive material loss may be preventing the belt from fitting the alternator pulleys properly, or the belt may be cracking on either the ribbed side, or on the flat backside. I checked on line, and it lists for $192. belt? One dealer told me every 24K miles, another said 36K. Alternator Tools & Parts: Turner Motorsport (e46 M3 alternator link)-Alternator/ Bosch remanu from Turner Motorsports or BMW OEM only-Pliers-Screwdriver-3/8 driver ratchet-12mm,13mm, 16mm, 17mm sockets-Torx50 socket-6mm allen bit socket-Shop towels This is a good time to also do: (Belt replacement DIY Link) Step1:. Draw a diagram of the belt routes. The R1100RT is the same procedure. Start with outer belt (A/C Belt). Hurry and buy!. If a belt is not turning freely, the excess friction will cause the belt to heat up, which produces a burning rubber smell. A serpentine belt, also known as a multi-vee, poly-v, or multi-rib belt, is a single, continuous belt used to drive multiple peripheral devices in an automotive engine, such as an alternator, power steering pump, water pump, air conditioning compressor, air pump, etc. The estimated time to change an alternator is 60 minutes, according to Mobil Oil. Remove them with the 4mm allen key socket. In some cars, it can last for up to 10-15 years without any repairs. Draw a diagram of the belt routes. Why some models and not others, differences in tensioning, etc. Install the alternator cooling duct. You will not be disappointed with New Continental Serpentine Belt (alternator & Water Pump) Bmw Oe 11287833264. Belt, oil must be change. Contact Us : (717) 569-4269. what im saying is to run the belt over the alternator FIRST, and have the "last" pulley that you slide the belt over be the tensioner pulley, since it is smooth, with the tensioner fully slackened, the belt slides into place over the tensioner freely, but is hard to stretch onto the alternator, if you leave that pulley for last. BMW Part # 12 31 7 681 841 Alternator Belt - BMW R Oilhead, Hexhead - 592mm ; 12 31 7 681 841 / Continental Contitech - Buy at best and lowest price available in USA - Wisdomberry. I have the right belt. Check that the belt is not sitting in the bottom of the pulley (V belts – even the many grooved polyV belts drive on the sides, not the bottom. 5L, BMW E36 M52 2. 2: Timing Belts - Amazon. The fan belt goes around a pulley attached to the flywheel and powers accessory pumps and motors such as the water pump, air conditioner compressor, alternator, power brakes, and the power steering pump. Is the BMW 528i ac and alternator belt the same? I would imagine it depends on your chassis. For more information about your issue, please visit the websites below.