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

Menu

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

BMW E30 325 M20 2.7L

    • 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
affirm financing terms & conditions
garage-red
Your Vehicle BMW E30 325 M20 2.7L
Your Vehicle BMW E30 325 M20 2.7L
Change Clear

BMW E30 325 M20 2.7L Crankshaft Parts

Sort By
Filter By
Return to Top

Performance Main Bearing Set

ES#4364525 - MB7039XP - Performance Main Bearing Set - Performance engine bearing kit - King - BMW

Performance engine bearing kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
King - Corporate Logo
ES#:
4364525
Mfg#:
MB7039XP
In Stock at Vendor
$309.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WPC Treated Crank Bearing Set

ES#4000006 - 11211706847wpcKT - WPC Treated Crank Bearing Set - Stronger & smoother, with less friction for your BMW! - ECS - BMW
ECS Tuning recommends this product.

Stronger & smoother, with less friction for your BMW! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4000006
Mfg#:
11211706847WPCKT
In Stock
ON SALE!
$250.99

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

$243.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

King Performance BMW S54 Main Bearings - Std.

ES#4756551 - MB7039AM - King Performance BMW S54 Main Bearings - Std. - Standard Size - King - BMW

Standard Size affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
King - Corporate Logo
ES#:
4756551
Mfg#:
MB7039AM
In Stock
$169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal

ES#19419 - 11142249533 - Rear Crankshaft Seal - Replace when doing a clutch job. - Genuine BMW - BMW

Replace when doing a clutch job. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19419
Mfg#:
11142249533
In Stock
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"Yellow" Main Bearing Set

ES#2986415 - 11211706847 - "Yellow" Main Bearing Set - Standard size, single tang uppers with double tang lowers - Kolbenschmidt - BMW
ECS Tuning recommends this product.

Standard size, single tang uppers with double tang lowers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kolbenschmidt - Corporate Logo
ES#:
2986415
Mfg#:
11211706847
Ships on Jul 7, 2026
Auto Notify
$109.71 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

"Yellow" Crankshaft Main Bearing Shell - Set

ES#2626366 - 11211706847 - "Yellow" Crankshaft Main Bearing Shell - Set - Standard bore - Glyco - BMW

Standard bore affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Glyco - Corporate Logo
ES#:
2626366
Mfg#:
11211706847
In Stock
$136.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Main Bearing Set - M20/M50/M52/M54/S54

ES#4845662 - M5X-WPC-MB - WPC-Treated Race Series Main Bearing Set - M20/M50/M52/M54/S54 - The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. - Turner Motorsport - BMW

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845662
Mfg#:
M5X-WPC-MB
In Stock
ON SALE! SAVE 10%
$520.99

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

$468.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bearing Shell

ES#20638 - 11241310515 - Bearing Shell - Red - Genuine BMW - BMW

Red affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
20638
Mfg#:
11241310515
Ships in 3 Business Days
3% off MSRP

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

$73.99

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

$71.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Seal - Front

ES#2623093 - 11141275466 - Crankshaft Seal - Front - Should be replaced each time the crank pulley is removed - Elring - BMW

Should be replaced each time the crank pulley is removed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2623093
Mfg#:
11141275466
In Stock
$13.00

This product was last offered at the strikethrough price on
04-10-2026

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Main Bearing Set (Standard)

ES#4070193 - 11211722342 - Main Bearing Set (Standard) - Glyco - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Features All Single-Tang Main Bearings for Earlier M20 Engines

Brand:
Glyco - Corporate Logo
ES#:
4070193
Mfg#:
11211722342
In Stock
ON SALE! SAVE 30%
$259.99

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

$182.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Seal - Front

ES#19150 - 11141275466 - Crankshaft Seal - Front - Should be replaced each time the crank pulley is removed - Genuine BMW - BMW

Should be replaced each time the crank pulley is removed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
19150
Mfg#:
11141275466
In Stock
ON SALE!
$96.99

This product was last offered at the strikethrough price on
06-15-2026

$92.14 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Main Seal

ES#2575646 - 11141432240 - Rear Main Seal - This is the paper gasket located under the crank seal - Victor Reinz - BMW

This is the paper gasket located under the crank seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2575646
Mfg#:
11141432240
In Stock
$6.11

This product was last offered at the strikethrough price on
05-19-2026

$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

King Performance BMW S54 Main Bearings - .25 Oversize

ES#4756556 - MB7039AM0.25 - King Performance BMW S54 Main Bearings - .25 Oversize - .25+ Oversize - King - BMW

.25+ Oversize affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
King - Corporate Logo
ES#:
4756556
Mfg#:
MB7039AM0.25
Ships in 7 Business Days
$178.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Seal Installer

ES#4405506 - 83300490475KT - Crankshaft Seal Installer - Used to install rear main seal to the proper depth - Genuine BMW - BMW

Used to install rear main seal to the proper depth affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4405506
Mfg#:
83300490475KT
Ships in 7 Business Days
$177.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Blue Bearing Shell - Priced Each

ES#20615 - 11241284850 - Blue Bearing Shell - Priced Each - Blue 45mm (0.0) - Genuine BMW - BMW

Blue 45mm (0.0) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
20615
Mfg#:
11241284850
In Stock
ON SALE! SAVE 22%
$37.99

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

$29.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"White" Crankshaft Bearing Shell - Set

ES#2593089 - 11211706849 - "White" Crankshaft Bearing Shell - Set - Standard bore - Glyco - BMW

Standard bore affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Glyco - Corporate Logo
ES#:
2593089
Mfg#:
11211706849
Back Ordered
$177.99

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

$172.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Crankshaft Parts

The heart of your engine is the crankshaft. Keep it spinning freely with new OEM crankshaft bearings or upgrade with race-proven aftermarket performance crank bearings and crankshaft parts.

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 ECS Tuning is part of Enthusiast Auto Holdings