BMW Drivetrain Parts for BMW 8 Series E31 (1991-1997)

Bav Auto Differential, Transfer Case, Transmission Oil-Pan Wrench ...

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T#:580353

Part#: B8800025

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$ 24.74 USD

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The proper size for removing BMW drain plugs.

Differential Fluid Extraction Adapter

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T#:578659

Part#: B3300000

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08-19-2026

$ 22.79 USD

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Differential Fluid Extraction Adapter is an essential tool for efficiently draining and refilling differential fluid, ensuring your vehicle's differential system remains in optimal condition. Designed to work with most extraction pumps, this adapter simplifies maintenance tasks, making it easier to service your differential without the mess or hassle of traditional methods.

Efficient fluid extraction: Allows for quick and clean draining of differential fluid.
Versatile compatibility: Works with most extraction pumps, offering flexibility for various vehicle makes and models.
Hassle-free maintenance: Simplifies the process of refilling and draining differential fluid, reducing time and effort.
Durable construction: Built from high-quality materials to withstand frequent use and harsh conditions.
Easy installation: Designed for a secure fit and easy attachment to extraction pumps.

This Differential Fluid Extraction Adapter is a must-have for any vehicle owner looking to maintain the longevity and performance of their differential system.

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Royal Purple Synchromax Manual Transmission Fluid - 1 Quart - BMW ...

T#:361158

Part#: 01512

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$ 23.99 USD

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Royal Purple® Synchromax® is recommended for manual transmissions that specify an automatic transmission fluid or other light-viscosity oil. It is also ideal for transfer cases and 2-cycle motorcycle gearboxes that specify light viscosity lubricants. Synchromax is formulated with Royal Purple’s synthetic, proprietary Synerlec additive technology, offering improved shift quality over a wide temperature range and reduced gear noise. Synchromax is fully compatible with all types of friction materials and offers excellent corrosion and oxidation protection without affecting the soft metals commonly found in manual transmission synchronizers.

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MOTUL 75W-90 GEAR 300 Synthetic Gear and Differential Fluid

T#:2451

Part#: MOGR300-75W90

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10% off MSRP $ 37.85

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$ 34.06 USD

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$ 37.85

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$ 34.06 USD

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This MOTUL SAE 75W90 gearbox and differential fluid is a 100% synthetic ester based oil, which can be used in tranmissions and rear differentials under all conditions of use -- street, track and racing. This oil has proved its qualities and resistance to extreme conditions. We would not hesitate to use this MOTUL 75W-90 GEAR 300 gear oil on our own personal vehicles, and neither should you. Be sure to check your owners manual before selecting oil products for street applications. This is a 1 liter bottle, so be sure to order enough for your specific application. API GL-5.MIL-L-2105D.

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Bav Auto Transmission/Differential Drain Plug Socket Set

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T#:580446

Part#: B8800141

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$ 27.74 USD

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Drain plug socket set. Set of 3 hex-head sockets make removal of transmission and differential drain plugs so much easier. Includes 10mm, 14mm and 17mm sizes. 3/8" drive

Bav Auto Fluid Transfer Pump - 200ml - Viton Seals

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T#:580336

Part#: B8800004

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$ 29.24 USD

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Use this high-quality fluid transfer pump to remove old fluid from power steering reservoirs, brake fluid reservoirs or differentials that do not have drain plugs (as on many later model BMWs), or to fill transmissions, differentials, and any other assemblies when changing the fluids.

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Clutch Slave Cylinder Bleeder Tool

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T#:585675

Part#: CBTTOOL

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$ 70.42 USD

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Bleed your slave cylinder with confidence using this clutch slave cylinder bleeder tool. Get the job done right the first time and assure that your clutch pressure is appropriate. Use the tools' adjustable piston rod to apply pressure to the cylinders' piston rod, making the process much simpler.

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Bav Auto Wheel Hub and Rotor Grinding Kit

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T#:580437

Part#: B8800132

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$ 43.19 USD

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Used to remove corrosion and ensure brake rotors, wheel spacers, etc sit flush on your hubs

Bav Auto Axle Shaft Impact Force Screw Adapter

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T#:580429

Part#: B8800122

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$ 36.89 USD

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For use with B8800120 (Hub Puller Adapter) as an impact driver to aid in removal of stuck CV axle shafts.

Febi Febi Manual Transmission Fluid (75w-80) - 1 Liter

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T#:1180762

Part#: G052911

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$ 29.99

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07-10-2026

$ 22.99 USD

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Fully synthetic high performance GL-5 gear oil excellent lubricating properties, high ageing resistance, and high wetting and adhesion properties

Bav Auto Fluid Transfer Pump - 1 Liter - Viton Seals

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T#:580335

Part#: B8800003

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$ 51.84 USD

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Use this high-quality fluid transfer pump to remove old fluid from power steering reservoirs, brake fluid reservoirs or differentials that do not have drain plugs (as on many later model BMWs), or to fill transmissions, differentials, and any other assemblies when changing the fluids. For draining differentials we recommend using the Bavarian Autosport adapter part # B3300000.

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Royal Purple Max-Gear Gear Oil - 75w90 - 1 Quart - BMW

T#:369661

Part#: 01300

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$ 22.99 USD

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Max Gear is a high-performance automotive gear oil designed to provide maximum protection to heavily loaded gears while increasing power throughput through the drive train. Max Gear virtually eliminates both gear and bearing wear—even under severe squeeze film conditions caused by extremely high loads, sudden shock loads, or low RPMs. Slippery, synthetic molecules not only reduce wear and friction but significantly increase Max Gear’s cold weather fluidity and lubricity, making it the ideal choice for vehicles operating in cold climates. Gears run smoother, quieter, cooler, and longer without overhauls. It is non-corrosive to both ferrous and nonferrous metals.

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300V 5w40 "Competition" - 2 Liters

T#:13957881

Part#: 110817

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$ 62.67 USD

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Use for Endurance/Rally/ GT/ Historic racing 100% synthetic racing motor oil based on ESTER Core® technology. Through technical partnerships with most prestigious Teams of car racing, MOTUL has developed a wide range of lubricants for Racing and Sport cars. The 300V motorsport line improves performance of the latest generation engines along with high protection against wear, oil pressure drop and oxidation due to high temperature. Power & engine protection. Medium to high engine dilution. Color: Visual Orange Viscosity grade SAE J 300 5W-40 Density at 20°C (68°F) ASTM D1298 0.850 Viscosity at 40°C (104°F) ASTM D445 78.7 mm²/s Viscosity at 100°C (212°F) ASTM D445 13.5 mm²/s HTHS viscosity at 150°C (302°F) ASTM D4741 4.0 mPa.s Viscosity Index ASTM D2270 176.0 Pour point ASTM D97 -48.0 °C / -54.0 °F Flash point ASTM D92 234.0 °C / 453.0 °F

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MOTUL 300V 10W-40 Chrono Race Oil - 2 liter can

T#:2448

Part#: MO300V-10W40-2L

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$ 54.99 USD

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10W40 MOTUL 300V series "CHRONO" competition racing oil is a true racing lubricant for true race cars. Designed for high temperatures, high shear, and the rigors of professional and endurance racing. MOTUL has developed Double Ester Technology for new 300V series, superior to complex ester which was previously recognized as the best base oil (up to now!). Double Ester Technology, made by carefully balancing the ratio of complex ester and the newly developed macromolecular high polymer ester, enable base oil more wide-ranged, and delivers high output performance and superior reliability.

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Rear Wheel Bearing Kit

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T#:15744071

Part#: 071199347550-KT

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$ 71.99

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04-20-2026

$ 67.99 USD

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Wheel bearings can need replaced for a number of different reasons. On some vehicles, when removing the front axles, it is required that you also replace the wheel bearings before reinstallation. If the wheel turns with a gritty feel or there is a loud metal to metal noise when on the road, your bearings have failed. Wheel bearings on modern vehicles usually need pressed in. If that is the case with your vehicle, specialized tools such as a shop press may be needed to install this bearing. Check what is required to do your wheel bearing prior to ordering. See kit contents tab for a complete list of included components

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OEM Automatic Transmission Filter Kit - E39 540i E38 740i 740il E31 8...

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T#:2936

Part#: 24341422673KIT

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$ 52.43 USD

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Automatic transmissions are reliable, shift smoothly, and can last without issue so long as they are properly maintained. Over time, the transmission fluid becomes thick and the filter becomes contaminated with small metal particles. This can cause excess wear, high transmission operating temperatures, and eventual failure. To prevent this we recommend changing your filter, fluid, and seals to ensure your transmission continues to operate flawlessly. We recommend filter and fluid changes every 50,000 miles. This filter fits A5S440Z automatic transmissions on BMW E39 540I E38 740I 740IL E31 840I 840CI E53 X5 4.4I 4.6IS

Kit Contains:

1 x 24341422673- Transmission Filter
1 x 24111422676- Gasket for Transmission Filter
1 x 24341422152- O-ring for Transmission Filter

This item fits the following BMWs:
1/1997-2003 E39 BMW 540i 540I wagon
1/1997-2001 E38 BMW 740i 740il
1/1997-1999 E31 BMW 840ci
2000-2003 E53 BMW X5 4.4i X5 4.6is

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Bav Auto 36MM 12 Point Socket - 1/2" Drive

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T#:580421

Part#: B8800114

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$ 22.49 USD

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This is a thin-walled 1/2" drive 36mm impact socket - useful in removing or installing wheel bearing and axle nuts on several BMW models.

Motylgear Manual Transmission / Differential Fluid 75w90 - 1 Liter ...

T#:340559

Part#: 317011

Back Ordered

10% off MSRP $ 20.44

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$ 18.40 USD

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$ 20.44

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Flushing and replacing your manual transmission and differential fluid is one way to ensure that components wear properly to avoid costly problems down the road. Your owner's manual will specify intervals for flushing and refill.

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Front Axle COLLAR NUT 31211128336

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T#:12519

Part#: 31211128336

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$ 15.99 USD

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COLLAR NUT:319500

Wheel Bearing Circlip - Rear

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T#:594097

Part#: 07119934755

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$ 4.99

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07-27-2026

$ 3.25 USD

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OEM Febi Locking Axle Nut - Most BMWs

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T#:12580

Part#: 33411133785

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$ 18.72

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04-20-2026

$ 10.99 USD

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This is the axle nut that is used on some cars as the rear axle nut or rear output shaft nut. On all-wheel-drive models, it may also be used as the front axle shaft nut.

Febi Pilot Bearing

For vehicles with manual transmission only

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T#:340706

Part#: 11211720310

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05-14-2026

$ 6.45 USD

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Replace with every clutch service

M18 Automatic Transmission Fill Plug - BMW

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T#:22690760

Part#: 24117552349

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$ 7.99 USD

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Fits various BMW Transmissions. Includes rubber sealing washer/o-ring.

Bav Auto Hub Puller Slide Hammer Adapter

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T#:580428

Part#: B8800121

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$ 17.99 USD

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Necessary in order to use Bav Auto's Hub Adapter/Puller (B8800120) . 5/8" x 18T UNF thread.

Bav Auto Transmission 17mm Drain Plug Wrench - Manual Transmission ...

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T#:580447

Part#: B8800142

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$ 14.99 USD

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Makes changing your transmission fluid an easy task. 1/2 " drive, for use in BMWs with 17mm female allen transmission drain plugs.

High Temperature CV Joint Grease - 120g Tube

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T#:26438189

Part#: G000633

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$ 11.99

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04-15-2026

$ 8.15 USD

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Universal Short Shifter V3 - Self Centering - Black Reverse Button Wi...

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T#:55317707

Part#: IRPUSSKT2

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$ 528.99 USD

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Stop guessing where the gate is. Upgrade your connection to the machine and drive your BMW the way it was meant to be driven.

Febi Driveshaft Centering Sleeve

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T#:382476

Part#: 26117526611

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$ 23.99

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08-28-2026

$ 14.99 USD

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Located at the front of the drive shaft

Febi Transmission O-Ring - E23, E24, E28, E30, E31, E32, E34 ...

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T#:382472

Part#: 24311218570

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$ 6.11 USD

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Seals the transmission to the oil pan

300V 15w50 "Competition" - 2 Liters

T#:11660857

Part#: 110860

Special Order: No Guaranteed ETA

10% off MSRP $ 60.83

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$ 54.74 USD

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$ 60.83

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Motul Motyl Gear SAE 75W80 Gear Oil - 1 Liter Bottle (1.05 Quart) ...

T#:2249

Part#: MOTY-75W80-1L

Ships on Sep 28, 2026

10% off MSRP $ 20.44

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$ 18.40 USD

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Motul Motylgear 75W80 is a gear oil/gearbox lubricant especially recommended for hard to shift gearboxes and also for BMW, Peugeot, Citroen, and Renault gearboxes. Motul has formulated Motylgear 75W-80 as an extreme pressure lubricant for efficient anti-wear protection and reinforced it with synthetic base stocks for a better resistance at high temperature and for longer life.

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Bavarian Autosport Hub Adapter With Hub Puller Slide Hammer Adapter A...

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T#:56254753

Part#: B8800120KT2

Ships on Oct 19, 2026

$ 177.99 USD

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Combining a heavy duty hub adapter with dedicated slide hammer and impact force screw attachments, this kit is built for serious mechanics and track day drivers who need unyielding strength to get the job done right the first time.

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