Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW E90 M3 S65 4.0L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E90 M3 S65 4.0L
Your Vehicle BMW E90 M3 S65 4.0L
Change Clear

BMW E90 M3 S65 4.0L Differential Parts

Sort By
Filter By
Return to Top

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
Ships in 3 Business Days
$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

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

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
Ships in 1 Business Day
$25.49 USD
Free Shipping
on orders $49 and up

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

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 1 day
ON SALE!
Starting at $1095.12 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Performance Gear Oil (GL4+) SAE 75W-90 (20L JUG)

ES#3660870 - 20014 - High Performance Gear Oil (GL4+) SAE 75W-90 (20L JUG) - Fully synthetic GL4+ gear oil, for use on the street or the track - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Fully synthetic GL4+ gear oil, for use on the street or the track 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3660870
Mfg#:
20014
Ships in 1 Business Day
5% off MSRP

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

$524.99

This product was last offered at the strikethrough price on
10-15-2026

$500.99 USD

Differential O-Ring - Priced Each

ES#55989 - 33111214144 - Differential O-Ring - Priced Each - 90mmx3mm O-Ring that seals the axle flange to differential - Genuine BMW - BMW

90mmx3mm O-Ring that seals the axle flange to differential

Brand:
Genuine BMW - Corporate Logo
ES#:
55989
Mfg#:
33111214144
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Grease

ES#2650597 - PCG1 - Silicone Grease - Recommended by Powerflex for quiet operation and long service life of polyurethane bushings - Powerflex - Audi BMW Volkswagen MINI Porsche

Recommended by Powerflex for quiet operation and long service life of polyurethane bushings

Brand:
Powerflex - Corporate Logo
ES#:
2650597
Mfg#:
PCG1
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential Input Shaft Seal - Priced Each

ES#4023523 - 33121213949 - Differential Input Shaft Seal - Priced Each - This is the seal for the pinion shaft - SKF - BMW

This is the seal for the pinion shaft

Brand:
SKF - Corporate Logo
ES#:
4023523
Mfg#:
33121213949
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential Carrier Bushing - Rear

ES#57297 - 33312283384 - Differential Carrier Bushing - Rear - Reduce drivetrain vibrations - Genuine BMW - BMW

Reduce drivetrain vibrations

Brand:
Genuine BMW - Corporate Logo
ES#:
57297
Mfg#:
33312283384
Ships in 1 day
2% off MSRP

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

$106.99

This product was last offered at the strikethrough price on
10-15-2026

$104.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Differential Service Kit

ES#3449384 - E46M3DIFSER2KT - Differential Service Kit - All you need in one package for scheduled differential maintenance! With a ECS Magnetic Differential Oil Drain Plug! - Assembled By ECS - BMW

All you need in one package for scheduled differential maintenance! With a ECS Magnetic Differential Oil Drain Plug! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3449384
Mfg#:
E46M3DIFSER2KT
In Stock
ON SALE!
$274.99

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

$264.59 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Hightec TOPGEAR SAE 75W-90 S - 1 Liter

ES#5374135 - 25002-0010-99 - Hightec TOPGEAR SAE 75W-90 S - 1 Liter - Fully synthetic, multigrade gearbox oil of performance rating API GL-4/5 for multi-functional use in axle gears and manual gearboxes - ROWE - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Fully synthetic, multigrade gearbox oil of performance rating API GL-4/5 for multi-functional use in axle gears and manual gearboxes

Brand:
ROWE - Corporate Logo
ES#:
5374135
Mfg#:
25002-0010-99
In Stock
$19.99 USD
Free Shipping
on orders $49 and up

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.

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

Terms of Use Privacy Policy Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings