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BMW Transmission Parts for BMW E90 M3 S65 4.0L

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Looking for parts for your BMW automatic transmission or manual transmission? You'll find many of the parts available to service your BMW's transmission here. While internal transmission servicing and rebuilding should be done by professionals, there are a lot of things on the outside of the transmission that you can service or replace yourself. These include gearbox seals, o-rings, gaskets, automatic transmission filters, backup light switches, mounting bolts, flanges, collar nuts, screw plugs, Mechatronics, and more.

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OEM Getrag Transmission Drain/Fill Plug - M18x1.5x12mm

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:51356006

Part#: 28107850241

In Stock at Vendor

$ 25.99

This product was last offered at the strikethrough price on
05-08-2026

$ 24.99 USD

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$ 24.99 USD

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034 Motorsport Density Line Transmission Mounts- 60D - BMW E9X M3, E6...

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:50731689

Part#: 034-509-4065

In Stock

Sale - Save 10% $ 29.00

This product was last offered at the strikethrough price on
06-28-2026

$ 26.10 USD

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Sale - Save 10%

$ 29.00

This product was last offered at the strikethrough price on
06-28-2026

$ 26.10 USD

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Eliminate drivetrain slop and restore your BMW's shifting precision.

Density Line Transmission Mounts - 70D Track Density - BMW E9X M3, E6...

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:50731690

Part#: DLTME9XM370D

In Stock

Sale - Save 10% $ 25.00

This product was last offered at the strikethrough price on
06-28-2026

$ 22.50 USD

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Qty

Sale - Save 10%

$ 25.00

This product was last offered at the strikethrough price on
06-28-2026

$ 22.50 USD

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Unlike simple "inserts" that merely mask factory flaws, these are complete, re-engineered replacements.

CSF Universal Large Single-Pass Oil Cooler - Universal Application ...

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Universal fitment design - modifications may be necessary to run this cooler

T#:53608839

Part#: 8371

Ships in 4 Business Days

$ 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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Powerflex Transmission Mount Bushing - Heritage Series

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T#:54388391

Part#: PFF5-4655H

Ships in 10 Business Days

$ 118.99 USD

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$ 118.99 USD

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Stabilize your gearbox under heavy cornering loads. These 70A durometer Heritage mounts increase rigidity by 150% to prevent shift-linkage binding, utilizing a discrete dark grey finish to blend into your undercarriage.

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Transmission Hardware Refresh Kit

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T#:55317663

Part#: 2331MTKT

Ships in 10 Business Days

$ 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.

Meyle Automatic Transmission Fluid Plus 9 - 1 Liter

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T#:55569543

Part#: 0140193200

Special Order: No Guaranteed ETA

$ 24.99 USD

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$ 24.99 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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Dodson Motorsport Transmission Sump Pan Kit - GS7D36SG - BMW E82/88 E...

For vehicles with the GS7D36SG DCT transmission

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T#:52305473

Part#: DMS-7185

Special Order: No Guaranteed ETA

$ 1,242.99 USD

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$ 1,242.99 USD

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Protect your dual-clutch transmission with Dodson Motorsports' GS7D36SG DCT pan and filter service kit. The GS7D36SG relies on hydraulic pressure and clean lubrication to manage its dual-clutch packs. Over time, friction material and heat break down the fluid’s effectiveness. By replacing your filters, pan, and fluid, you prevent solenoid clogging, reduce internal friction, and ensure proper functionality of the DCT transmission.

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Dodson Motorsport DCT Transmission Sump Filter - GS7D36SG - BMW E82/8...

For vehicles with the GS7D36SG DCT transmission

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:52305472

Part#: DMS-2828

Special Order: No Guaranteed ETA

$ 139.99 USD

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$ 139.99 USD

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Keep the fluid of your GS7D36SG DCT transmission clean with a brand new filter.

Rein Magnetic Transmission Drain Plug

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T#:53785537

Part#: HWU0117

Back Ordered

$ 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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Powerflex Transmission Mount Bushing - Black Series

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T#:54388342

Part#: PFF5-4655BLK

Back Ordered

$ 118.99 USD

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$ 118.99 USD

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Secure your gearbox geometry at the absolute limit. These 95A durometer Black Series mounts increase stiffness by 375%, preventing transmission twisting to ensure flawless shifting and maximum torque translation.

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