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 E34 Performance Engine Blocks

Sort By
Filter By
Return to Top

High Performance Main Bearing Set - Standard

ES#3432212 - 7M1532H-STD - High Performance Main Bearing Set - Standard - Includes upper and lower bearing shells for a complete main bearing replacement. - ACL - BMW

Includes upper and lower bearing shells for a complete main bearing replacement. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ACL - Corporate Logo
ES#:
3432212
Mfg#:
7M1532H-STD
In Stock
$282.99 USD
Free Shipping

SCHRICK CAMSHAFT SET, BMW M50/M52/S50/S52 276/270

ES#4447289 - SCH-CSS-S52-276/ - SCHRICK CAMSHAFT SET, BMW M50/M52/S50/S52 276/270 - A more aggressive option for street use and an upgrade from stock Recommended to Use With Vanos Limiters and Upgraded Valve Springs - VAC Motorsports - BMW

A more aggressive option for street use and an upgrade from stock Recommended to Use With Vanos Limiters and Upgraded Valve Springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
VAC Motorsports - Corporate Logo
ES#:
4447289
Mfg#:
SCH-CSS-S52-276/
Ships in 2 Business Days
$2640.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

King Performance BMW Rod Bearings - Std.

ES#4757010 - CR6640SM - King Performance BMW Rod Bearings - Std. - King Rod Bearings Std. Size - King - BMW

King Rod Bearings Std. Size affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
King - Corporate Logo
ES#:
4757010
Mfg#:
CR6640SM
In Stock
$178.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Rod Bearing Set - M20/M50/M52/M54/S50/S52

ES#4845637 - M5X-WPC-RB - WPC-Treated Race Series Rod Bearing Set - M20/M50/M52/M54/S50/S52 - 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#:
4845637
Mfg#:
M5X-WPC-RB
In Stock
ON SALE! SAVE 25%
$465.99

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

$349.49 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

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%
$509.99

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

$458.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance Main Bearing Set - .25 Oversize

ES#4736408 - 7M1532H-.25 - High Performance Main Bearing Set - .25 Oversize - .25 Oversize Bearings - ACL - BMW

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

Brand:
ACL - Corporate Logo
ES#:
4736408
Mfg#:
7M1532H-.25
In Stock at Vendor
$376.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Main Bearing Set - M5X

ES#4758994 - 5150-HPMBS-M50 - Performance Main Bearing Set - M5X - Performance Coated Main Bearing Set for the M5X Engine Platform - Std. Size - 5150 Autosport - BMW

Performance Coated Main Bearing Set for the M5X Engine Platform - Std. Size affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4758994
Mfg#:
5150-HPMBS-M50
Ships in 3 Business Days
$299.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Upgrade Kit - M50/M52/S50/S52

ES#4759061 - 5150-OPUK-M50 - Oil Pump Upgrade Kit - M50/M52/S50/S52 - Fix That Notorious Oil Pump Failure Before it Even Happens! - 5150 Autosport - BMW

Fix That Notorious Oil Pump Failure Before it Even Happens! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4759061
Mfg#:
5150-OPUK-M50
Back Ordered
$229.99 USD
Free Shipping
on orders $49 and up

Performance Rod Bearing Set - M5X

ES#4758993 - 5150-HPRBS-M50 - Performance Rod Bearing Set - M5X - Performance Coated Rod Bearing Set for the M5X Engine Platform - Std. Size - 5150 Autosport - BMW

Performance Coated Rod Bearing Set for the M5X Engine Platform - Std. Size affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4758993
Mfg#:
5150-HPRBS-M50
Ships in 3 Business Days
$219.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
King - Corporate Logo
ES#:
4756556
Mfg#:
MB7039AM0.25
Ships in 6 Business Days
$178.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CP Forged Piston Set, BMW M50 Non-VANOS Pro-Xtreme 10:1

ES#4759000 - FPS-M50NV-10:1 - CP Forged Piston Set, BMW M50 Non-VANOS Pro-Xtreme 10:1 - Upgrade To CP-Carrillo Forged Piston in your M50 Non-Vanos! - 5150 Autosport - BMW

Upgrade To CP-Carrillo Forged Piston in your M50 Non-Vanos! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4759000
Mfg#:
FPS-M50NV-10:1
Ships in 3 Business Days
$1399.99 USD
Free Shipping
on orders $49 and up

CP-Carrillo Connecting Rod Set M20 Pro-Xtreme

ES#4759093 - CAR-CRS-M20-XT - CP-Carrillo Connecting Rod Set M20 Pro-Xtreme - Upgrade To CP-Carrillo Connecting Rods! - 5150 Autosport - BMW

Upgrade To CP-Carrillo Connecting Rods! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles With 135mm Connecting Rods

Brand:
5150 Autosport - Corporate Logo
ES#:
4759093
Mfg#:
CAR-CRS-M20-XT
Ships in 3 Business Days
$2099.99 USD
Free Shipping
on orders $49 and up

CP-Carrillo Connecting Rod Set - M50 Vanos Pro-Xtreme

ES#4759048 - CAR-CRS-M50-140- - CP-Carrillo Connecting Rod Set - M50 Vanos Pro-Xtreme - Upgrade Your M50 Vanos With CP-Carrillo Connecting Rods! 140mm - 5150 Autosport - BMW

Upgrade Your M50 Vanos With CP-Carrillo Connecting Rods! 140mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For M50 Vanos Only!

Brand:
5150 Autosport - Corporate Logo
ES#:
4759048
Mfg#:
CAR-CRS-M50-140-
Ships in 3 Business Days
$2099.99 USD
Free Shipping
on orders $49 and up

CP Forged Piston Set BMW M20 B25 Std.

ES#4759088 - CP-FPS-M20-B25 - CP Forged Piston Set BMW M20 B25 Std. - 9.5:1 Compression Ratio, Standard 84mm Bore - 5150 Autosport - BMW

9.5:1 Compression Ratio, Standard 84mm Bore affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4759088
Mfg#:
CP-FPS-M20-B25
Back Ordered
$1349.99 USD
Free Shipping
on orders $49 and up

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 ECS Tuning is part of Enthusiast Auto Holdings