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BMW E70 X5 xDrive50i N63 4.4L

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BMW E70 X5 xDrive50i N63 4.4L Differential Parts

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Front Differential Service Kit

ES#4352154 - 07512293972KT1 - Front Differential Service Kit - All you need in one package for scheduled differential maintenance! - Assembled By ECS - BMW

All you need in one package for scheduled differential maintenance! 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 07/2011

Brand:
Assembled By ECS - Corporate Logo
ES#:
4352154
Mfg#:
07512293972KT1
In Stock
$50.99

This product was last offered at the strikethrough price on
07-27-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Shaft Seal

ES#2542644 - 33107609536 - Shaft Seal - Seal in the rear differential where the driveshaft connects - Genuine BMW - BMW MINI

Seal in the rear differential where the driveshaft connects

Brand:
Genuine BMW - Corporate Logo
ES#:
2542644
Mfg#:
33107609536
In Stock
5% off MSRP

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

$18.99

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

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy ShockProof Gear Oil - 1 Gallon

ES#2847972 - 58205 - Heavy ShockProof Gear Oil - 1 Gallon - For heavily-loaded racing differentials and transmissions, problem gearboxes - Redline - Audi BMW Volkswagen Mercedes Benz

For heavily-loaded racing differentials and transmissions, problem gearboxes For Custom Applications Only.

Brand:
Redline - Corporate Logo
ES#:
2847972
Mfg#:
58205
In Stock
$99.99 USD
Free Shipping
on orders $49 and up

Front Differential Input Shaft Seal

ES#216945 - 31527507697 - Front Differential Input Shaft Seal - Seals the input shaft flange to the front differential - Genuine BMW - BMW

Seals the input shaft flange to the front differential

Brand:
Genuine BMW - Corporate Logo
ES#:
216945
Mfg#:
31527507697
Ships in 2 Business Days
7% off MSRP

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

$13.99

This product was last offered at the strikethrough price on
07-27-2026

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Max-Gear Gear Oil 75w140 - 1 Quart

ES#2515383 - 01301 - Max-Gear Gear Oil 75w140 - 1 Quart - Max-Gear is recommended for use in front or rear LSD differentials, manual transmissions, and lower gear units of marine engines that specify use of an API GL-5 or GL-4 fluid - Royal Purple - BMW Mercedes Benz

Max-Gear is recommended for use in front or rear LSD differentials, manual transmissions, and lower gear units of marine engines that specify use of an API GL-5 or GL-4 fluid Recommended for BMW manual transmissions with the "Green Label" or SHC 630

Brand:
Royal Purple - Corporate Logo
ES#:
2515383
Mfg#:
01301
Ships in 5 Business Days
$24.99 USD
Free Shipping
on orders $49 and up

Front Axle Seal - Priced Each

ES#5336041 - 761.160 - Front Axle Seal - Priced Each - Located on the front differential carrier. Updated version of BMW part # 31508743675 and 33107505601 - Elring - BMW MINI

Located on the front differential carrier. Updated version of BMW part # 31508743675 and 33107505601 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5336041
Mfg#:
761.160
Ships on Aug 28, 2026
Auto Notify
$10.99

This product was last offered at the strikethrough price on
05-16-2026

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

Rear Differential Axle Shaft Seal

Prevent differential leaks with new output shaft seals 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5457043
Mfg#:
33108860348
In Stock at Vendor
$44.99

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

$43.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Shaft Seal

ES#3450224 - 33107609536 - Shaft Seal - Seal in the rear differential where the driveshaft connects - Corteco - BMW MINI

Seal in the rear differential where the driveshaft connects

Brand:
Corteco - Corporate Logo
ES#:
3450224
Mfg#:
33107609536
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lock Ring for Differential Output Shaft (22.4 mm Diameter)

ES#56508 - 33131214961 - Lock Ring for Differential Output Shaft (22.4 mm Diameter) - Found in the side of the differential behind the side shaft seal - Genuine BMW - BMW MINI

Found in the side of the differential behind the side shaft seal

Brand:
Genuine BMW - Corporate Logo
ES#:
56508
Mfg#:
33131214961
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.

$3.19

This product was last offered at the strikethrough price on
07-27-2026

$2.72 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Differential Mount

ES#4182869 - 31508699441 - Front Differential Mount - Replace your worn mount - Genuine BMW - BMW

Replace your worn mount

Brand:
Genuine BMW - Corporate Logo
ES#:
4182869
Mfg#:
31508699441
Ships in 2 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.

$120.99

This product was last offered at the strikethrough price on
07-27-2026

$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gear Oil - SAE 70W-80 Synthetic - 1 Liter

ES#5373808 - 184247 - Gear Oil - SAE 70W-80 Synthetic - 1 Liter - GL5 Level oil - Febi - BMW MINI

GL5 Level oil 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Febi - Corporate Logo
ES#:
5373808
Mfg#:
184247
Back Ordered
$30.99 USD
Free Shipping
on orders $49 and up

Front Differential Input Shaft Seal

ES#4070603 - 31521428678 - Front Differential Input Shaft Seal - Seals the input shaft flange to the front differential - Corteco - BMW

Seals the input shaft flange to the front differential

Brand:
Corteco - Corporate Logo
ES#:
4070603
Mfg#:
31521428678
Ships in 1 Business Day
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Subframe Nut - Priced Each

ES#5374417 - HWN0077 - Rear Subframe Nut - Priced Each - Used to secure both front bushings to the body - 12x1.5x10 - Rein - BMW MINI

Used to secure both front bushings to the body - 12x1.5x10 2X Entries For Our 25th Anniversary Sweepstakes!
2X Entries For Our G87 M2 Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5374417
Mfg#:
HWN0077
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Differential Input Seal Kit

ES#3604681 - 31521428678sKT - Front Differential Input Seal Kit - The seal and both dust covers needed to re-seal your vehicles input shaft on the front differential. - Assembled By ECS - BMW

The seal and both dust covers needed to re-seal your vehicles input shaft on the front differential. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3604681
Mfg#:
31521428678SKT
Back Ordered
$52.99

This product was last offered at the strikethrough price on
07-23-2026

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cover Dust Shield

ES#1901271 - 31517589695 - Cover Dust Shield - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
1901271
Mfg#:
31517589695
Ships in 2 Business Days
6% off MSRP

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

$52.99

This product was last offered at the strikethrough price on
07-27-2026

$49.99 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.

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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