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BMW 335i Differential Parts

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E8x/E9x Billet Differential Cover - 215mm Large Case

ES#4830493 - 049438LA - E8x/E9x Billet Differential Cover - 215mm Large Case - Single piece 6061 construction, optimized cooling, provisions for temp sensor and external cooler with removable air duct. - Turner Motorsport - BMW

Single piece 6061 construction, optimized cooling, provisions for temp sensor and external cooler with removable air duct. 10X Entries For Our 25th Anniversary Sweepstakes!
For manual transmission vehicles only, or automatic transmission vehicles produced before 09/2007.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4830493
Mfg#:
049438LA
Ships in 3 Business Days
ON SALE!
Starting at $1072.54 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E8X/E9X Open Differential Weld Plates

ES#4841518 - 056350LA01 - E8X/E9X Open Differential Weld Plates - Convert your open differential to a locked differential without the costly expense of an limited-slip conversion. - ECS - BMW

Convert your open differential to a locked differential without the costly expense of an limited-slip conversion. 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with automatic transmissions only - medium case differentials

Brand:
ECS - Corporate Logo
ES#:
4841518
Mfg#:
056350LA01
In Stock
ON SALE! SAVE 25%
$30.99

This product was last offered at the strikethrough price on
06-13-2026

$23.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential Service Kit

ES#4068945 - 83222295532KT2 - Differential Service Kit - With Redline 75w90 gear fluid - Assembled By ECS - BMW

With Redline 75w90 gear fluid 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4068945
Mfg#:
83222295532KT2
In Stock
ON SALE!
$59.72 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Output Shaft Seal - Priced Each

ES#3450268 - 33107505604 - Output Shaft Seal - Priced Each - Seals the axles into the differential - Corteco - BMW

Seals the axles into the differential

Brand:
Corteco - Corporate Logo
ES#:
3450268
Mfg#:
33107505604
In Stock
$14.42

This product was last offered at the strikethrough price on
07-06-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential Bushing Set - BMW E9X / E8X - 80A Street

ES#4900083 - DBS-E9X80A-REV - Differential Bushing Set - BMW E9X / E8X - 80A Street - Reduces drivetrain slop, improves power transfer, restores precise differential support. - Revshift - BMW

Reduces drivetrain slop, improves power transfer, restores precise differential support. For Non-M Models Only

Brand:
Revshift - Corporate Logo
ES#:
4900083
Mfg#:
DBS-E9X80A-REV
Ships in 3 Business Days
$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Differential Oil Drain Plug

ES#4213327 - 33117525064 - Differential Oil Drain Plug - M22X1.5 Used on the rear differential - Rein - BMW MINI

M22X1.5 Used on the rear differential 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4213327
Mfg#:
33117525064
In Stock
$11.99

This product was last offered at the strikethrough price on
05-20-2026

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#4876240 - 835225790dKT - Rear Differential Service Kit - Perfect service kit for your BMW, Includes the diff fluid and drain plug to get the job done. - Assembled By ECS - BMW

Perfect service kit for your BMW, Includes the diff fluid and drain plug to get the job done. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4876240
Mfg#:
835225790DKT
In Stock
ON SALE!
$59.72 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Hypoid Gear Oil 85w90 - 1 Liter

ES#3097303 - 20010 - Hypoid Gear Oil 85w90 - 1 Liter - Mineral based GL5 gear oil, for use on the street or the track - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Mineral based GL5 gear oil, for use on the street or the track 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3097303
Mfg#:
20010
In Stock
32% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$17.99

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

$12.25 USD
Free Shipping
on orders $49 and up

Rear Differential Mounts - Solid Delrin Race

ES#3028139 - TDR9080BD2 - Rear Differential Mounts - Solid Delrin Race - An aggressive mount design for increased cornering feel, and improved suspension performance. - Turner Motorsport - BMW

An aggressive mount design for increased cornering feel, and improved suspension performance. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3028139
Mfg#:
TDR9080BD2
In Stock
ON SALE! SAVE 15%
$372.99

This product was last offered at the strikethrough price on
05-02-2026

$317.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Drive Shaft Assembly Front

ES#4182426 - 26209425910 - Drive Shaft Assembly Front - OEM front drive shaft ensures smooth power transfer and drivetrain reliability. - Genuine BMW - BMW

OEM front drive shaft ensures smooth power transfer and drivetrain reliability.

Brand:
Genuine BMW - Corporate Logo
ES#:
4182426
Mfg#:
26209425910
Ships in 4 Business Days
4% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1493.99

This product was last offered at the strikethrough price on
07-20-2026

$1426.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

75w90NS GL-5 Gear Oil - 1 Quart

ES#4369255 - 1063078TSP - 75w90NS GL-5 Gear Oil - 1 Quart - API Service Class GL 5+ - Redline - Audi BMW Volkswagen Mercedes Benz Porsche

API Service Class GL 5+

Brand:
Redline - Corporate Logo
ES#:
4369255
Mfg#:
1063078TSP
In Stock
$25.49 USD
Free Shipping
on orders $49 and up

Front Differential Service Kit

ES#4773038 - F3XAWDFDKT1 - Front Differential Service Kit - With Genuine BMW 75W-85 G2 Hypoid Differential Oil - Genuine BMW - BMW

With Genuine BMW 75W-85 G2 Hypoid Differential Oil Services the Front Differential Only

Brand:
Genuine BMW - Corporate Logo
ES#:
4773038
Mfg#:
F3XAWDFDKT1
In Stock
$221.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential Shim Kit

ES#3638898 - MF-TRS-SKE46 - Differential Shim Kit - Reduce play and install time! - Team MFactory - BMW

Reduce play and install time! *Any defects or warranty clams will have to go directly to Team M Factory*

Brand:
Team MFactory - Corporate Logo
ES#:
3638898
Mfg#:
MF-TRS-SKE46
Ships in 2 Business Days
$199.99 USD
Free Shipping
on orders $49 and up

F-Chassis Differential Brace & 95A Polyurethane Differential Bushing Set

ES#4876450 - 047282LAEBKT - F-Chassis Differential Brace & 95A Polyurethane Differential Bushing Set - The ULTIMATE differential upgrade for your F-Chassis. - Enthusiast Bundles - BMW

The ULTIMATE differential upgrade for your F-Chassis. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876450
Mfg#:
047282LAEBKT
In Stock
ON SALE! SAVE 26%
$536.98

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

$399.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Output Shaft Seal - Priced Each

ES#55807 - 33107505604 - Output Shaft Seal - Priced Each - Seals the axles into the differential, includes lock ring - Genuine BMW - BMW

Seals the axles into the differential, includes lock ring

Brand:
Genuine BMW - Corporate Logo
ES#:
55807
Mfg#:
33107505604
In Stock
9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$18.20

This product was last offered at the strikethrough price on
03-04-2026

$16.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Differential Parts

Stock or limited-slip, we stock bearings, repair parts, complete differential units, and approved differential fluids so you can keep sending power to the axles without noise, harshness, or vibration.

Let us help you find the parts that fit your BMW

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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