BMW Drivetrain Parts for BMW 3 Series E30 (1984-1991)

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Building your perfect BMW is more than just adding horsepower and stiff suspension. Your drivetrain needs attention in order to deliver power effectively. Most BMWs feature comfortable clutch discs, heavy flywheels, long shifter throws, and open differentials. The drivetrain transmits power to the wheels, but can also be a source of power loss when it is designed for comfort rather than performance. Everything on this page will help you improve your power delivery and driving experience by providing custom Limited Slip Differentials, Short Shift Conversions, Performance Clutch Discs, Lightweight Flywheels, and anything else your BMW needs to be the perfect driving experience.

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OEM Rein Magnetic Differential Oil Drain Plug - M22x1.5 - Most BMW & ...
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Rein - Corporate Logo
T#:38890943
Part#: HWU0065
In Stock
$ 23.99 USD
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$ 23.99 USD
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As components in the differential begin to wear, metal particles become loose in the diff fluid, which can lead to excess wear. This magnetic plug pulls these particles out of suspension, helping to reduce wear over time. Replaces BMW # 33117525064
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Royal Purple - Corporate Logo
T#:361158
Part#: 01512
In Stock
$ 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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Rein Driveshaft Center Mount - E30, E32, E34
For vehicles with production date from 09/1987
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Rein - Corporate Logo
T#:375738
Part#: 26121226723
In Stock
$ 43.99 USD
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$ 43.99 USD
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Used to support the center of the driveshaft

Royal Purple - Corporate Logo
T#:369661
Part#: 01300
In Stock
$ 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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E30 325e/325i Motor Mount
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Rein - Corporate Logo
T#:7085
Part#: 11811132323
Back Ordered
$ 26.99 USD
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These are the stock rubber motor mounts for the E30 M20 engine - 325e and 325i. These are the original spec full rubber mounts. The M20 has a fatal flaw especially when the motor mounts are worn. The engine can shift and contact other things in the engine compartment, mostly cooling-related parts. This is especially troublesome on the 1984-1987 models as the alternator belt and blades can cut into the lower radiator hose. Don't neglect your motor mounts! A worn motor mount allows the engine to twist and shift around. The harder you're driving the more shift will occur. Twisting of the engine can also lead to shifting problems as the transmission twists with it. There are countless issues related to worn or compressed motor mounts so don't overlook these as a regular replacement item (every 50,000 miles).

For more serious track or street cars we recommend our HD motor mount kit with reinforcing cups - click here. These are a stiffer mount to begin with (coming from the Euro 635CSi) and the aluminum cups give additional strength especially for the side-side shearing loads that you get from cornering.

These stock rubber motor mounts are sold per mount .

This item fits the following BMWs:
1984-1991 E30 BMW 325e 325es 325i 325ic 325is
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Cohline Transmission Cooling Line - Automatic Transmission - Inlet fr...
Also use- (Qty.) (1) 17 22 1 707 533 fitting, (2) 07 11 9 963 276 seal ring. For vehicles with production date from 09/1984
Cohline - Corporate Logo
T#:19546
Part#: 17221707538
In Stock at Vendor
$ 176.47

This product was last offered at the strikethrough price on
05-11-2026

$ 161.12 USD
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$ 161.12 USD
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OIL COOLING PIPE INLET 17221707538 Manufactured by Cohline

Fits BMW Engines including:
M10,M20,M30


Elring Transmission Oil Filter - E23, E24, E28, E30, E32
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Elring - Corporate Logo
T#:362580
Part#: 24311218550
Ships in 5 Business Days
$ 10.99 USD
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$ 10.99 USD
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Includes O-Ring
Elring Output Shaft Seal - E10, E12, E21, E23, E24, E28, E3, E30, E32...
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Elring - Corporate Logo
T#:13243
Part#: 23121205340
In Stock
$ 9.99

This product was last offered at the strikethrough price on
04-10-2026

$ 4.99 USD
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$ 4.99 USD
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SHAFT SEAL:H23120

Elring Differential Axle Seal - E30 E36 E28 E34 E24 E23 E32 Z3 ...
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Elring - Corporate Logo
T#:369495
Part#: 33107505602
In Stock
$ 9.64 USD
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Rubber seals are often hardened and damaged by excessive heat and constant temperature changes causing them to become brittle and crack or split. If your seal has split, replace it with a new Elring seal for long reliability and to prevent further problems.

Elring is one of the biggest OEM names in the manufacturing of high quality gaskets that are available for very affordable prices. Elring has supplied many automotive names for years with the gaskets that seal your car's components from day 1 so you can rest assured that these components will last for a long time to come!

Fits the following BMW engines:
E30 318i/is 325e 325i/ix M3
E36 318i/ic/is/ti 323i/is 325i/is 328i/is M3
E28 524td 528e 533i 535i
E34 525i 530i 535i
E24 633CSi 635CSi
E23 733i 735i
E32 735i/iL
Z3 1.9 2.5 2.5i 2.8 3.0i M Coupe/Roadster

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OEM Rein Shifter Ball Bushing - Multiple BMWs
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Rein - Corporate Logo
T#:362834
Part#: 25111220600
In Stock
$ 7.57 USD
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This bushing is the point where the shifter arm pivots. If you are experiencing excess play in your shifter, this could be the cause. Worn out shifter ball bushings allow too much movement from wear over time.
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Elring Selector Shaft Seal - E36, E39, E46, E36 Z3
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Elring - Corporate Logo
T#:340660
Part#: 23121222677
In Stock
$ 5.14 USD
Free Shipping on orders $49 and up

Rubber seals are often hardened and damaged by excessive heat and constant temperature changes causing them to become brittle and crack or split. If your seal has split, replace it with a new Elring seal for long reliability and to prevent further problems.

Elring is one of the biggest OEM names in the manufacturing of high quality gaskets that are available for very affordable prices. Elring has supplied many automotive names for years with the gaskets that seal your car's components from day 1 so you can rest assured that these components will last for a long time to come!

Fits the following BMW's:
E36, E39, E46, E36 Z3

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Elring Front Transmission Input Shaft Seal - E12, E23, E24, E28, E30,...
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Elring - Corporate Logo
T#:592089
Part#: 23121209311
In Stock
$ 7.13

This product was last offered at the strikethrough price on
03-10-2026

$ 5.90 USD
Free Shipping on orders $49 and up
$ 5.90 USD
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Replaces worn out or split seals causing a leak on the clutch side of the transmission.


Elring Automatic Transmission Oil Pan Gasket - E23, E24, E28, E30, E3...
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Elring - Corporate Logo
T#:19853
Part#: 24111217082
In Stock
$ 6.99

This product was last offered at the strikethrough price on
05-07-2026

$ 5.09 USD
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$ 5.09 USD
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PROFILE-GASKET 24111217082 Manufactured by Elring

Differential Oil Drain Plug
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Rein - Corporate Logo
T#:27405453
Part#: 33117525064
In Stock
$ 11.99

This product was last offered at the strikethrough price on
05-21-2026

$ 9.99 USD
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$ 9.99 USD
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Elring Input Shaft Seal - E12, E21, E23, E24, E3, E30, E9
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Elring - Corporate Logo
T#:375352
Part#: 23111228314
In Stock
$ 7.13 USD
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For vehicles with manual transmission only

Rein Driveshaft Center Support Bearing
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Rein - Corporate Logo
T#:379700
Part#: 26121225071
In Stock
$ 13.50 USD
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$ 13.50 USD
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Commonly referred to as "carrier bearing"

OEM Rein Transmission Input Shaft Seal - E12 E21 E23 E24 E28 E30 E31 ...
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Rein - Corporate Logo
T#:379685
Part#: 24311422671
Ships in 4 Business Days
$ 10.99 USD
Free Shipping on orders $49 and up
The input shaft seal on your transmission ensures that you will not experience any fluid loss from behind the guide sleeve. If you have a leak, be sure to replace it as soon as possible to avoid losing too much fluid, which can ultimately damage your transmission.
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Elring Input Shaft Seal - E12, E23, E24, E28, E30, E32, E34
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Elring - Corporate Logo
T#:15236
Part#: 23121220619
In Stock at Vendor
$ 7.99 USD
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This is the transmission input shaft seal for cars with the Getrag 260/5/50, 260/6, 265/6, 280, transmissions

Rein Differential Drain Plug Gasket
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Rein - Corporate Logo
T#:19654
Part#: 07119963355
Ships in 5 Business Days
$ 2.03 USD
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GASKET RING for various sensors and seals.
Elring - Corporate Logo
T#:45517830
Part#: 407.780
Special Order: No Guaranteed ETA
$ 2.99 USD
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Prevent fluid leaks with a brand new o-ring seal from Elring Replaces BMW # 17211742635

Elring - Corporate Logo
T#:45278660
Part#: 206.202
Special Order: No Guaranteed ETA
$ 5.99 USD
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$ 5.99 USD
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Seals the input shaft of the S5-16 Manual Transmission - Prevent leaks with a new seal from Elring Replaces BMW # 07119965060

Rein Transmission Mount - E23, E24, E28, E30
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Rein - Corporate Logo
T#:379789
Part#: 23711175939
Back Ordered
$ 11.99 USD
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$ 11.99 USD
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Stop driveline vibration
Transmission Oil Filter
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Hengst - Corporate Logo
T#:38587679
Part#: 24341215544
Back Ordered
$ 24.99 USD
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$ 24.99 USD
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Over time, the transmission is often overlooked during routine vehicle maintenance. Without proper servicing, automatic transmission fluid degrades, leading to contamination of the valve body and filter with sludge and deposits. This can result in poor shifting, slipping, and, eventually, the need for a full transmission replacement.
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