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BMW E90 Rear Differential Parts

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Limited Slip Differential

ES#2847774 - 30309170WKWVT - Limited Slip Differential - Put all your power to the ground! - Wavetrac - BMW

Put all your power to the ground!

Brand:
Wavetrac - Corporate Logo
ES#:
2847774
Mfg#:
30309170WKWVT
In Stock
$1245.50 USD
Free Shipping

Differential Oil Drain / Check Plug - Priced Each

ES#205597 - 33117525064 - Differential Oil Drain / Check Plug - Priced Each - 22x1.5mm drain & check plug - Genuine BMW - BMW MINI

22x1.5mm drain & check plug

Brand:
Genuine BMW - Corporate Logo
ES#:
205597
Mfg#:
33117525064
In Stock
14% off MSRP

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

$11.61

This product was last offered at the strikethrough price on
09-07-2026

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

Limited Slip Differential - 188 (Small Diff Housing)

ES#2917892 - 30309175WKWVT - Limited Slip Differential - 188 (Small Diff Housing) - Put all your power to the ground! *fits ratios of 3.15 and up* - Wavetrac - BMW

Put all your power to the ground! *​fits ratios of 3.15 and up*

Brand:
Wavetrac - Corporate Logo
ES#:
2917892
Mfg#:
30309175WKWVT
Ships in 10 Business Days
$1245.99 USD
Free Shipping
on orders $49 and up

Remanufactured Rear Differential

ES#2537032 - 33107566194KT - Remanufactured Rear Differential - Includes a $100 refundable core charge - Genuine BMW - BMW

Includes a $100 refundable core charge

Brand:
Genuine BMW - Corporate Logo
ES#:
2537032
Mfg#:
33107566194KT
Back Ordered
$2998.99 USD
This product is lifetime replacement eligible Lifetime Replacement

2.81 Pumpkin With Helical LSD

ES#3188357 - mf-trs-05e92dKT - 2.81 Pumpkin With Helical LSD - Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. - Team MFactory - BMW

Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. Any defects or warranty clams will have to go directly to Team M Factory

Brand:
Team MFactory - Corporate Logo
ES#:
3188357
Mfg#:
MF-TRS-05E92DKT
Ships in 4 Business Days
$2689.99 USD
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 Into Our F80 M3 Sweepstakes

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

E9X Heavy Duty Billet Aluminum Differential Cover - With Optional Installation Kit

ES#4830493 - 049438LA - E9X Heavy Duty Billet Aluminum Differential Cover - With Optional Installation Kit - 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 Into Our F80 M3 Sweepstakes
For manual transmission vehicles only, or automatic transmission vehicles produced before 09/2007.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4830493
Mfg#:
049438LA
In Stock
ON SALE!
Starting at $832.49 USD
Customize
Free Shipping
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 Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4876240
Mfg#:
835225790DKT
In Stock
ON SALE!
$60.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Limited Slip Differential

ES#2917890 - 30309172WKWVT - Limited Slip Differential - Put all your power to the ground! - Wavetrac - BMW

Put all your power to the ground! For vehicles with a welded rear ring gear only

Brand:
Wavetrac - Corporate Logo
ES#:
2917890
Mfg#:
30309172WKWVT
Ships in 2 Business Days
$1245.99 USD
Free Shipping

E9x M3 Upgraded Billet Differential Cover

ES#4830512 - 049395LA - E9x M3 Upgraded Billet Differential Cover - 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 Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4830512
Mfg#:
049395LA
Ships in 4 Business Days
ON SALE!
Starting at $1095.12 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Differential Bushings

ES#4007037 - IRPDB-9XMAL - Aluminum Differential Bushings - Eliminate driveline slop with solid aluminum bushings! - IRP - Individual Racing Parts - BMW

Eliminate driveline slop with solid aluminum bushings!

Brand:
IRP - Individual Racing Parts - Corporate Logo
ES#:
4007037
Mfg#:
IRPDB-9XMAL
Special Order: No Guaranteed ETA
$133.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E9X Heavy Duty Billet Aluminum Differential Cover Kit

ES#4830490 - 049438la01KT - E9X Heavy Duty Billet Aluminum Differential Cover Kit - Eliminate failure-prone cast aluminum with durable single piece 6061 construction! Featuring optimized cooling, provisions for temp sensor and external cooler, and a removable air duct. - Turner Motorsport - BMW

Eliminate failure-prone cast aluminum with durable single piece 6061 construction! Featuring optimized cooling, provisions for temp sensor and external cooler, and a removable air duct. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles equipped with a manual transmission only.

Brand:
Turner Motorsport - Corporate Logo
ES#:
4830490
Mfg#:
049438LA01KT
In Stock
ON SALE! SAVE 26%
$1128.99

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

$832.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Limited Slip Differential With Output Shaft Seal - 188 (Small Diff Housing)

Standard open differentials love to dump power to the wheel with the least amount of grip, leaving you spinning your tires out of corners, fighting traction control, and wasting horsepower. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481396
Mfg#:
30309175WKWVTKT
Ships in 10 Business Days
$1274.99

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

$1269.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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