BMW Drivetrain Parts for BMW Z Series E85/6 (2003-2008)

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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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LT2 Spec Manual TRansmission Fluid HIGH PERFORMANCE GEAR OIL (GL3+) SAE 75W-80
LT2 Spec Manual TRansmission Fluid HIGH PERFORMANCE GEAR OIL (GL3+) S...
10X Entries Into Our F80 M3 Sweepstakes
Liqui-Moly - Corporate Logo
T#:56291001
Part#: 22080
Ships in 2 Business Days
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$ 34.54 USD
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$ 34.54 USD
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TrakMotive CV Axle Shafts - Rear Left And Right - Z4, E46
TrakMotive CV Axle Shafts - Rear Left And Right - Z4, E46
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:56038080
Part#: 33207839467/8KT2
Ships in 3 Business Days
New Item
$ 468.99

This product was last offered at the strikethrough price on
07-31-2026

$ 426.99 USD
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$ 426.99 USD
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This TrakMotive Rear CV Axle Kit replaces both your left and right rear axles, instantly tightening up your driveline. If you've noticed vibrations under load or torn boots during your last undercar inspection, it's time for an upgrade.
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Manual Transmission Detent Compression Spring Kit
Manual Transmission Detent Compression Spring Kit
Genuine BMW - Corporate Logo
T#:55245852
Part#: 2331XXKT
Ships in 2 Business Days
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$ 17.52 USD
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$ 17.52 USD
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This Genuine BMW Compression Spring Kit replaces the weak factory shift springs that control the mechanical resistance and centering of your shift lever.
Wheel Hub - Front
Wheel Hub - Front
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55030830
Part#: 3146520012
In Stock
New Item
$ 172.99 USD
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$ 172.99 USD
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This Meyle-Original front wheel hub assembly offers a high-quality, cost-effective alternative to expensive dealership parts without sacrificing structural integrity.
Shifter Hardware Refresh Kit
Shifter Hardware Refresh Kit
Genuine BMW - Corporate Logo
T#:55209911
Part#: 2511122KT
Ships in 10 Business Days
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$ 5.27 USD
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$ 5.27 USD
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This Genuine BMW Manual Shift Selector Rod Hardware Kit includes the exact factory-spec shims and securing clips needed to safely lock down your shift linkage.
CV Axle Shaft
CV Axle Shaft
TrakMotive - Corporate Logo
T#:54281623
Part#: 33217839465
In Stock
New Item
$ 231.99

This product was last offered at the strikethrough price on
08-03-2026

$ 210.99 USD
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$ 210.99 USD
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CSF Universal Large Single-Pass Oil Cooler - Universal Application
CSF Universal Large Single-Pass Oil Cooler - Universal Application ...
2X Entries Into Our F80 M3 Sweepstakes
Universal fitment design - modifications may be necessary to run this cooler
CSF - Corporate Logo
T#:53608839
Part#: 8371
Ships in 4 Business Days
New Item
$ 499.00 USD
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$ 499.00 USD
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CSF redesigned this cooler and went with a more traditional inlet/outlet orientation. The new single pass design features high efficiency and high durability, but with vertically oriented inlet and outlet connections.
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CV Axle Shaft
CV Axle Shaft
TrakMotive - Corporate Logo
T#:54281624
Part#: 33217839466
In Stock
New Item
$ 237.99

This product was last offered at the strikethrough price on
07-31-2026

$ 215.99 USD
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$ 215.99 USD
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Transmission Fluid Service Kit
Transmission Fluid Service Kit
Pentosin - Corporate Logo
T#:57725172
Part#: 83220142516
Ships in 4 Business Days
New Item
$ 462.99 USD
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$ 462.99 USD
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Keep your transmission performing at its peak on both the street and the track with high-grade synthetic fluid designed for modern automatic gearboxes.
Shifter Repair Kit - Each
Shifter Repair Kit - Each
Genuine BMW - Corporate Logo
T#:55245795
Part#: 2511143XKT
Ships in 10 Business Days
New Item
$ 13.04 USD
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$ 13.04 USD
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Tighten up your track day or spirited street shifts with this Genuine BMW Selector Rod refresh kit.
Shifter Linkage Hardware Kit
Shifter Linkage Hardware Kit
Genuine BMW - Corporate Logo
T#:55209907
Part#: 25111KT
Ships in 10 Business Days
New Item
$ 8.91 USD
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$ 8.91 USD
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This kit ensures your shift linkage stays safely secured and firmly engaged through every hard shift.
Output Shaft Seal
Output Shaft Seal
ZF - Corporate Logo
T#:54744784
Part#: 24207588763
Ships in 1-2 days
New Item
$ 2.99 USD
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$ 2.99 USD
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If you notice a puddle of transmission fluid forming underneath your vehicle, the output shaft seal may have failed and is leaking. Stop the leak before it can cause internal transmission damage and replace the output shaft seal in your vehicle today. This seal is on the back of your transmission for the front to rear propeller or driveshaft.
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Transmission Hardware Refresh Kit
Transmission Hardware Refresh Kit
Genuine BMW - Corporate Logo
T#:55317663
Part#: 2331MTKT
Ships in 4 Business Days
New Item
$ 66.67 USD
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$ 66.67 USD
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If your BMW’s manual shifter feels loose or struggles to cleanly find its gates, it’s time to rebuild your transmission shift detents.
Rear Output Shaft Kit
Rear Output Shaft Kit
03-08 Model Years
Genuine BMW - Corporate Logo
T#:55102439
Part#: 33217839465/6KT
Back Ordered
New Item
$ 1,974.99 USD
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$ 1,974.99 USD
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Over time, factory output shafts wear down, leading to unwanted play, vibrations, and a sloppy power delivery that ruins an otherwise perfect drive.
Meyle Automatic Transmission Fluid Plus 6 - 1 Liter
Meyle Automatic Transmission Fluid Plus 6 - 1 Liter
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55569552
Part#: 0140192900
Ships on Oct 15, 2026
New Item
$ 20.99

This product was last offered at the strikethrough price on
09-24-2026

$ 19.99 USD
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$ 19.99 USD
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Don't let high transmission temperatures or fluid breakdown slow down your shifts when pushing your vehicle to its limits. This Meyle ATF plus 6 high-performance transmission fluid is engineered to handle the thermal stress and high shear loads generated during aggressive street driving and high-RPM track sessions. Designed for vehicles equipped with heavy-duty 6-speed automatic gearboxes, its advanced synthetic formula maintains a robust lubricating film to keep your internal clutches biting firmly and downshifts executing crisply under heavy load.
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Hydraulic Filter, Automatic Transmission
Hydraulic Filter, Automatic Transmission
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55461366
Part#: 1003250005
Ships on Oct 15, 2026
New Item
$ 19.99 USD
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$ 19.99 USD
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This MEYLE automatic transmission filter screens out those harmful contaminants before they can reach critical hydraulic valves.
Meyle Automatic Transmission Fluid Plus 9 - 1 Liter
Meyle Automatic Transmission Fluid Plus 9 - 1 Liter
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55569543
Part#: 0140193200
Ships on Oct 15, 2026
New Item
$ 27.99 USD
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$ 27.99 USD
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Don't let fluid breakdown slow down your shifts or trigger performance-robbing transmission slip when you're pushing your car to the limit. This Meyle ATF Plus 9 high-performance transmission fluid is engineered to withstand the extreme thermal loads and intense shear stress generated during aggressive street driving and high-RPM track sessions. Its advanced synthetic formula provides a robust lubricating film that limits friction within the gearsets and maintains crisp clutch engagement, ensuring your multi-speed automatic handles rapid downshifts and hard acceleration flawlessly.
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Meyle Automatic Transmission Fluid Plus 6 - 12 Liters
Meyle Automatic Transmission Fluid Plus 6 - 12 Liters
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55569554
Part#: 0140192912
Ships on Oct 15, 2026
New Item
$ 236.99

This product was last offered at the strikethrough price on
09-16-2026

$ 231.99 USD
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$ 231.99 USD
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Don't let high transmission temperatures or fluid breakdown slow down your shifts when pushing your vehicle to its limits. This Meyle ATF plus 6 high-performance transmission fluid is engineered to handle the thermal stress and high shear loads generated during aggressive street driving and high-RPM track sessions. Designed for vehicles equipped with heavy-duty 6-speed automatic gearboxes, its advanced synthetic formula maintains a robust lubricating film to keep your internal clutches biting firmly and downshifts executing crisply under heavy load.
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Bavarian Autosport Hub Adapter With Hub Puller Slide Hammer Adapter And Axle Shaft Impact Force Screw Adapter
Bavarian Autosport Hub Adapter With Hub Puller Slide Hammer Adapter A...
10X Entries Into Our F80 M3 Sweepstakes
Packaged by Turner - Corporate Logo
T#:56254753
Part#: B8800120KT2
Ships on Oct 20, 2026
New Item
$ 177.99 USD
Free Shipping on orders $49 and up
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$ 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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Automatic Transmission Seals And O-Rings Kit
Automatic Transmission Seals And O-Rings Kit
2X Entries Into Our F80 M3 Sweepstakes
Elring - Corporate Logo
T#:54744782
Part#: 821.450
In Stock
New Item
$ 174.99 USD
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$ 174.99 USD
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This Elring Automatic Transmission Gasket Set replaces your tired, heat-cycled internal seals with premium-grade elastomer components.
Shaft Seal - Differential (Axle Drive)
Shaft Seal - Differential (Axle Drive)
2X Entries Into Our F80 M3 Sweepstakes
Elring - Corporate Logo
T#:54852004
Part#: B46.610
Special Order: No Guaranteed ETA
New Item
$ 14.99 USD
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$ 14.99 USD
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This OEM-quality replacement shaft seal from Elring is the perfect fix for keeping your gear oil where it belongs.
Automatic Transmission Service Kit
Automatic Transmission Service Kit
Febi - Corporate Logo
T#:56724727
Part#: 24341423376S4
Special Order: No Guaranteed ETA
New Item
$ 76.99 USD
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$ 76.99 USD
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This Febi Bilstein automatic transmission service kit delivers factory-level filtration and sealing to keep your BMW's gearbox performing at its best.
Universal Flex Disc
Universal Flex Disc
For vehicles with manual transmission only
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:57231541
Part#: 26111227410
Ships on Dec 29, 2026
New Item
$ 42.99 USD
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$ 42.99 USD
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Shifter Rod Joint
Shifter Rod Joint
10X Entries Into Our F80 M3 Sweepstakes
Bremmen Parts - Corporate Logo
T#:54068659
Part#: 25117580281
Ships in 4 Business Days
New Item
Sale - Save 20% $ 55.99

This product was last offered at the strikethrough price on
05-30-2026

$ 44.79 USD
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Sale - Save 20%
$ 55.99

This product was last offered at the strikethrough price on
05-30-2026

$ 44.79 USD
Add to Wish List
Rein Magnetic Transmission Drain Plug
Rein Magnetic Transmission Drain Plug
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:53785537
Part#: HWU0117
Back Ordered
New Item
$ 16.99 USD
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$ 16.99 USD
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Magnetic Rein Transmission Plug Features Aluminum Construction with OE Dimensions and Threading. Magnetic Tip for Upgrade over Stock. Lightweight and Durable Construction Designed to Interface Perfectly with Modern Alloy Gear Housings
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Drive Shaft - Front Left
Drive Shaft - Front Left
Febi - Corporate Logo
T#:56543998
Part#: 33211229707
Special Order: No Guaranteed ETA
New Item
$ 132.99 USD
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$ 132.99 USD
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Keep your BMW's rear drivetrain solid and reliable with the Febi Bilstein rear left drive shaft.
Meyle Automatic Transmission Fluid Plus 6 - 10 Liters
Meyle Automatic Transmission Fluid Plus 6 - 10 Liters
5X Entries Into Our F80 M3 Sweepstakes
Meyle - Corporate Logo
T#:55569553
Part#: 0140192910
Back Ordered
New Item
$ 197.99

This product was last offered at the strikethrough price on
09-14-2026

$ 193.99 USD
Add to Wish List
$ 193.99 USD
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Don't let high transmission temperatures or fluid breakdown slow down your shifts when pushing your vehicle to its limits. This Meyle ATF plus 6 high-performance transmission fluid is engineered to handle the thermal stress and high shear loads generated during aggressive street driving and high-RPM track sessions. Designed for vehicles equipped with heavy-duty 6-speed automatic gearboxes, its advanced synthetic formula maintains a robust lubricating film to keep your internal clutches biting firmly and downshifts executing crisply under heavy load.
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