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BMW M3 Differential Parts

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Performance Polyurethane Differential Bushing - Front Position

ES#2748538 - 002447ECS04 - Performance Polyurethane Differential Bushing - Front Position - ECS engineered to improve power application and provide superior service life over factory rubber bushings - ECS - BMW

ECS engineered to improve power application and provide superior service life over factory rubber bushings 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2748538
Mfg#:
002447ECS04
In Stock
ON SALE! SAVE 25%
$58.99

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

$44.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Rear Differential Bushing

ES#4773004 - 055059LA01 - Heavy Duty Rear Differential Bushing - High durometer rubber construction allows for less deflection without a drastic increase in NVH! - ECS - BMW

High durometer rubber construction allows for less deflection without a drastic increase in NVH! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4773004
Mfg#:
055059LA01
In Stock
ON SALE! SAVE 57%
$52.99

This product was last offered at the strikethrough price on
04-28-2026

$22.99 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 Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
4876240
Mfg#:
835225790DKT
In Stock
ON SALE!
$60.99

This product was last offered at the strikethrough price on
09-21-2026

$59.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Limited Slip Differential

ES#2917889 - 30309165WKWVT - Limited Slip Differential - Put all your power to the ground! - Wavetrac - BMW

Put all your power to the ground!

Brand:
Wavetrac - Corporate Logo
ES#:
2917889
Mfg#:
30309165WKWVT
Back Ordered
$1595.00 USD
Free Shipping

Rear Diff Front Mounting Bushing (Street)

ES#4685324 - PFR5-4024 - Rear Diff Front Mounting Bushing (Street) - Upgrade Your G8X Rear Diff Bushings! - Powerflex - BMW

Upgrade Your G8X Rear Diff Bushings!

Brand:
Powerflex - Corporate Logo
ES#:
4685324
Mfg#:
PFR5-4024
Ships in 1 Business Day
$391.99 USD
Free Shipping
on orders $49 and up

2-Piece Rear Differential Bushing - Rear Position (95A)

ES#5457648 - 056755laKT - 2-Piece Rear Differential Bushing - Rear Position (95A) - Increase stability and power transfer with an easy to install 3-piece design. - Turner Motorsport - BMW

Increase stability and power transfer with an easy to install 3-piece design. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
5457648
Mfg#:
056755LAKT
In Stock
$104.98

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

$100.98 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

Speedometer Impulse Sender

ES#4879361 - 62168355008 - Speedometer Impulse Sender - Located in the rear differential - URO - BMW

Located in the rear differential 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4879361
Mfg#:
62168355008
In Stock
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

75W-85 Differential Oil - 1 Liter

ES#4680024 - 83222295532 - 75W-85 Differential Oil - 1 Liter - Differential fluid - SAE 75W-85 (GL-5) - Febi - BMW Mercedes Benz

Differential fluid - SAE 75W-85 (GL-5) We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4680024
Mfg#:
83222295532
Back Ordered
$36.99

This product was last offered at the strikethrough price on
10-06-2026

$32.99 USD
Free Shipping
on orders $49 and up

BMW Motorsport Ring And Pinion Set

ES#4477402 - 33108437888 - BMW Motorsport Ring And Pinion Set - Dramatic improvement over factory acceleration, with 3.85 gear ratio - Genuine BMW - BMW

Dramatic improvement over factory acceleration, with 3.85 gear ratio

Brand:
Genuine BMW - Corporate Logo
ES#:
4477402
Mfg#:
33108437888
Ships in 6 Business Days
2% off MSRP

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

$1480.00

This product was last offered at the strikethrough price on
10-21-2026

$1450.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner F8X M3 & M4 Dual Mount Diff Plate - With Extra Rear Position OE Bushing

ES#4044501 - 26773tms05KT - Turner F8X M3 & M4 Dual Mount Diff Plate - With Extra Rear Position OE Bushing - Turner Dual Mount Diff Plate with an Extra Genuine OE rear position bushing for the second subframe differential mount to capitalize on dual rear mounts, improved bushing life, reduced wheel hop, increased handling, and crisper driveline response. - Turner Motorsport - BMW

Turner Dual Mount Diff Plate with an Extra Genuine OE rear position bushing for the second subframe differential mount to capitalize on dual rear mounts, improved bushing life, reduced wheel hop, increased handling, and crisper driveline response. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4044501
Mfg#:
26773TMS05KT
Ships in 8 Business Days
ON SALE! SAVE 25%
$624.99

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

$468.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential Oil Drain Plug W/ O-Ring

ES#4213327 - 33117525064 - Differential Oil Drain Plug W/ O-Ring - M22X1.5 Used on the rear differential, featuring an OE+ embedded magnet for ferrous material capture. - Rein - BMW MINI

M22X1.5 Used on the rear differential, featuring an OE+ embedded magnet for ferrous material capture. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4213327
Mfg#:
33117525064
In Stock
$14.99

This product was last offered at the strikethrough price on
08-29-2026

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

Performance Polyurethane Differential Bushing - Front Position

ES#2748535 - 002447ECS02 - Performance Polyurethane Differential Bushing - Front Position - ECS engineered to improve power application and provide superior service life over factory rubber bushings - ECS - BMW

ECS engineered to improve power application and provide superior service life over factory rubber bushings 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2748535
Mfg#:
002447ECS02
In Stock
ON SALE! SAVE 25%
$66.99

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

$50.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential Axle Shaft Seal - Priced Each

ES#2129953 - 33107510289 - Differential Axle Shaft Seal - Priced Each - Includes locking snap ring - Victor Reinz - BMW

Includes locking snap ring

Brand:
Victor Reinz - Corporate Logo
ES#:
2129953
Mfg#:
33107510289
In Stock
$25.44

This product was last offered at the strikethrough price on
08-26-2026

$18.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential Bushing - Priced Each

ES#1844488 - 33171134871 - Differential Bushing - Priced Each - Single bushing in the front of the axle carrier - Genuine BMW - BMW

Single bushing in the front of the axle carrier

Brand:
Genuine BMW - Corporate Logo
ES#:
1844488
Mfg#:
33171134871
In Stock
15% off MSRP

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

$37.33

This product was last offered at the strikethrough price on
04-27-2026

$31.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Diff Front Mounting Bushing - Full Set - Black Series

ES#4715970 - PFR5-4024BLK - Rear Diff Front Mounting Bushing - Full Set - Black Series - Enhance your BMW G80/G82/G87 performance, handling, and overall driving experience! - Powerflex Black Series - BMW

Enhance your BMW G80/G82/G87 performance, handling, and overall driving experience!

Brand:
Powerflex Black Series - Corporate Logo
ES#:
4715970
Mfg#:
PFR5-4024BLK
Ships in 1 Business Day
$431.99 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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