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

No Vehicle selected
Please select your vehicle below.

    • 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 Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW E90 Performance Engine Blocks

Sort By
Filter By
Return to Top

Engine Main Bearing Kit - 0.25mm Oversized

ES#4759946 - MB5803CA0.25 - Engine Main Bearing Kit - 0.25mm Oversized - Replace those Worn Out Main Bearings! Set of 5 - King - BMW

Replace those Worn Out Main Bearings! Set of 5 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
King - Corporate Logo
ES#:
4759946
Mfg#:
MB5803CA0.25
Back Ordered
13% off MSRP

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

$362.99

This product was last offered at the strikethrough price on
10-27-2026

$314.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Inline 6 RACE Series Rod Bearing Shells (0.25 oversized) - Set

ES#4220047 - 6B1584H-.025 - Inline 6 RACE Series Rod Bearing Shells (0.25 oversized) - Set - Upgraded Bearing Shells for you N55/N54/S55B30! - ACL - BMW

Upgraded Bearing Shells for you N55/N54/S55B30! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ACL - Corporate Logo
ES#:
4220047
Mfg#:
6B1584H-.025
Special Order: No Guaranteed ETA
$261.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bearing Set of 2 Pairs - 0.75mm Oversized

ES#4447656 - CR222SV0.75 - Connecting Rod Bearing Set of 2 Pairs - 0.75mm Oversized - Replace those Worn Out Rod Bearings! - King - BMW

Replace those Worn Out Rod Bearings! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
+0.75mm

Brand:
King - Corporate Logo
ES#:
4447656
Mfg#:
CR222SV0.75
In Stock at Vendor
43% off MSRP

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

$59.99

This product was last offered at the strikethrough price on
10-26-2026

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ACL Engine Main Bearings - 0.25 Oversized

ES#4839654 - 5M1581H-.25 - ACL Engine Main Bearings - 0.25 Oversized - Designed with performance and longevity in mind - ACL - BMW

Designed with performance and longevity in mind Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ACL - Corporate Logo
ES#:
4839654
Mfg#:
5M1581H-.25
Special Order: No Guaranteed ETA
$209.99 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
King - Corporate Logo
ES#:
4756556
Mfg#:
MB7039AM0.25
Ships in 7 Business Days
13% off MSRP

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

$207.00

This product was last offered at the strikethrough price on
10-27-2026

$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Main Bearing Kit - Size 0.50 Oversized

ES#4685266 - MB7776SI0.5 - Engine Main Bearing Kit - Size 0.50 Oversized - Replace those Worn Out Main Bearings! - King - BMW

Replace those Worn Out Main Bearings! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
+0.50mm

Brand:
King - Corporate Logo
ES#:
4685266
Mfg#:
MB7776SI0.5
In Stock at Vendor
21% off MSRP

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

$135.99

This product was last offered at the strikethrough price on
09-04-2026

$106.99 USD
Free Shipping
on orders $49 and up

Connecting Rod Bearing Set Of 2 Pairs - 0.50mm Oversized

ES#4760025 - CR224SV0.5 - Connecting Rod Bearing Set Of 2 Pairs - 0.50mm Oversized - Replace those Worn Out Rod Bearings! - King - BMW

Replace those Worn Out Rod Bearings! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
+0.50mm

Brand:
King - Corporate Logo
ES#:
4760025
Mfg#:
CR224SV0.5
In Stock
Limited Qty Sale
$57.99

This product was last offered at the strikethrough price on
10-07-2026

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Main & Rod Bearing Set

ES#5527221 - bmw101348KT - Main & Rod Bearing Set - If you're rebuilding the bottom end of your BMW inline-six, the main and rod bearings should be replaced together. - Assembled By ECS - BMW

If you're rebuilding the bottom end of your BMW inline-six, the main and rod bearings should be replaced together. 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
5527221
Mfg#:
BMW101348KT
In Stock
$450.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Heavy Duty Wrist Pins - N54

ES#4753381 - cp-pp-hd-n54-6KT - CP-Carrillo Heavy Duty Wrist Pins - N54 - 5150 Autosport - BMW

Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
5150 Autosport - Corporate Logo
ES#:
4753381
Mfg#:
CP-PP-HD-N54-6KT
Ships in 4 Business Days
$233.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Main Bearing Kit - 0.50mm Oversized

ES#4759947 - MB5803CA0.5 - Engine Main Bearing Kit - 0.50mm Oversized - Replace those Worn Out Main Bearings! Set of 5 - King - BMW

Replace those Worn Out Main Bearings! Set of 5 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
King - Corporate Logo
ES#:
4759947
Mfg#:
MB5803CA0.5
Ships in 3 Business Days
$180.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JE Piston - 92.50/.827/12.4CC - BMW S65B40

Includes rings, wire locks and wrist pins Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
JE Piston - Corporate Logo
ES#:
4840423
Mfg#:
371717
In Stock at Vendor
$1749.99 USD
Free Shipping
on orders $49 and up

ACL Engine Main Bearings - 0.50 Oversized

Designed with performance and longevity in mind Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ACL - Corporate Logo
ES#:
4839655
Mfg#:
5M1581H-.50
Special Order: No Guaranteed ETA
$209.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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.

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