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BMW E46 Differential Parts

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BMW E46 M3 Rear Diff Rear Mount

ES#4845440 - PFR5-4620H - BMW E46 M3 Rear Diff Rear Mount - This upgrade is often appreciated by those looking to improve the durability and responsiveness of their E46 M3, especially as factory rubber bushings wear out with time and use. - Powerflex - BMW

This upgrade is often appreciated by those looking to improve the durability and responsiveness of their E46 M3, especially as factory rubber bushings wear out with time and use.

Brand:
Powerflex - Corporate Logo
ES#:
4845440
Mfg#:
PFR5-4620H
In Stock
$147.99 USD
Free Shipping
on orders $49 and up
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
$14.99

This product was last offered at the strikethrough price on
08-03-2026

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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
29% 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

$12.75 USD
Free Shipping
on orders $49 and up

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

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!
$60.99

This product was last offered at the strikethrough price on
08-04-2026

$59.72 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Performance Polyurethane Differential Bushing - Rear Position

ES#2748536 - 002447ECS03 - Performance Polyurethane Differential Bushing - Rear 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 For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2748536
Mfg#:
002447ECS03
In Stock
ON SALE! SAVE 25%
$88.99

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

$66.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 2 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
08-11-2026

$1450.99 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

Limited Slip Differential

Put all your power to the ground! *fits ratios 2.47 – 3.07*

Brand:
Wavetrac - Corporate Logo
ES#:
2917893
Mfg#:
30309176WKWVT
Ships in 2 Business Days
$1245.99 USD
Free Shipping
on orders $49 and up

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 6 Business Days
$199.99 USD
Free Shipping
on orders $49 and up

E46 M3 Reinforced Billet Differential Cover Kit - 210/215mm

ES#4818925 - 049409LA - E46 M3 Reinforced Billet Differential Cover Kit - 210/215mm - Single piece 6061 construction, optimized cooling, provisions for temp sensor and external cooler! - Turner Motorsport - BMW

Single piece 6061 construction, optimized cooling, provisions for temp sensor and external cooler! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4818925
Mfg#:
049409LA
Ships on Sep 23, 2026
ON SALE!
Starting at $1102.94 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

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

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Manufacturer names and/or part numbers are used only for identification purposes.

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