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 M3 Performance Engine Blocks

Sort By
Filter By
Return to Top

N52/N54/N55/S55 High Performance Rod Bearing Set - Standard

ES#3638856 - 6B1584H-STD - N52/N54/N55/S55 High Performance Rod Bearing Set - Standard - Includes upper and lower bearing shells for a complete rod bearing replacement. - ACL - BMW

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

Brand:
ACL - Corporate Logo
ES#:
3638856
Mfg#:
6B1584H-STD
In Stock
$193.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S55/N55 4 PIN One-Piece CRANK HUB

ES#4423399 - CH-4PIN - S55/N55 4 PIN One-Piece CRANK HUB - The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel. - Insane Performance - BMW

The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Insane Performance - Corporate Logo
ES#:
4423399
Mfg#:
CH-4PIN
In Stock
$1099.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spline Lock Crank Hub Solution w/ Crank Bolt Capture - N55 S55

ES#3620075 - VTT-CRANKHUB-1 - Spline Lock Crank Hub Solution w/ Crank Bolt Capture - N55 S55 - A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. Includes crank bolt capture. - Vargas Turbo Technologies - BMW

A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. Includes crank bolt capture. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
3620075
Mfg#:
VTT-CRANKHUB-1
Ships in 3 Business Days
$879.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Rod Bearing Set - N52/N54/N55/S55

ES#4845639 - N5X-WPC-RB - WPC-Treated Race Series Rod Bearing Set - N52/N54/N55/S55 - 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#:
4845639
Mfg#:
N5X-WPC-RB
In Stock
ON SALE! SAVE 20%
$508.99

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

$407.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bearing Set of 2 Pairs - Std. Size

ES#4069250 - CR222SV - Connecting Rod Bearing Set of 2 Pairs - Std. Size - Replace those Worn Out Rod Bearings! - King - BMW

Replace those Worn Out Rod Bearings! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Standard Size

Brand:
King - Corporate Logo
ES#:
4069250
Mfg#:
CR222SV
In Stock
$52.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S55/N55 2 PIN One-Piece CRANK HUB

ES#4423401 - CH-2 PIN - S55/N55 2 PIN One-Piece CRANK HUB - The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel. - Insane Performance - BMW

The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Insane Performance - Corporate Logo
ES#:
4423401
Mfg#:
CH-2 PIN
Ships in 6 Business Days
$999.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Rod Bearing Set - S54

ES#4845593 - S54-WPC-RB - WPC-Treated Race Series Rod Bearing Set - 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#:
4845593
Mfg#:
S54-WPC-RB
In Stock
ON SALE! SAVE 20%
$442.99

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

$354.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MMX Crank Hub Kit

ES#4429936 - MMR20-1003FK - MMX Crank Hub Kit - Install MMX's One-Piece Crank Hub as a Solution to Hub Slippage! Includes a Capture Plate for Extra Security against parts Loosening. - MMX Performance - BMW

Install MMX's One-Piece Crank Hub as a Solution to Hub Slippage! Includes a Capture Plate for Extra Security against parts Loosening. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MMX Performance - Corporate Logo
ES#:
4429936
Mfg#:
MMR20-1003FK
Ships in 9 Business Days
$849.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

One Piece Crank Hub Solution

ES#4000824 - GS55CHV1 - One Piece Crank Hub Solution - Put an end to your S55 crank hub woes once and for all - Gintani - BMW

Put an end to your S55 crank hub woes once and for all affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gintani - Corporate Logo
ES#:
4000824
Mfg#:
GS55CHV1
Ships in 5 Business Days
$1495.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro-Series 1500 Turbo Build Kit - BMW S58

ES#4727644 - 5150-TBK-1500-S5 - Pro-Series 1500 Turbo Build Kit - BMW S58 - The Ultimate Solution to Increasing Your S58's Capabilities! - 5150 Autosport - BMW

The Ultimate Solution to Increasing Your S58's Capabilities! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4727644
Mfg#:
5150-TBK-1500-S5
Ships in 3 Business Days
$7222.99 USD

ARP Head Stud Kit, BMW N55/S55 - Custom Age 625+

ES#4736733 - ARP-HSK-S56-CA - ARP Head Stud Kit, BMW N55/S55 - Custom Age 625+ - Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP! - 5150 Autosport - BMW

Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4736733
Mfg#:
ARP-HSK-S56-CA
Ships in 3 Business Days
$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

5150 AutoSport Pro-Series 1500 Turbo Build Kit, BMW S55

ES#4736749 - PR01500S55 - 5150 AutoSport Pro-Series 1500 Turbo Build Kit, BMW S55 - Upgrade your S55 Engine with this all Inclusive Kit from 5150! - 5150 Autosport - BMW

Upgrade your S55 Engine with this all Inclusive Kit from 5150! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4736749
Mfg#:
PR01500S55
Ships in 3 Business Days
$6599.99 USD

WPC-Treated Race Series Rod Bearing Set - S65

ES#4845625 - S65-WPC-RB - WPC-Treated Race Series Rod Bearing Set - S65 - 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#:
4845625
Mfg#:
S65-WPC-RB
Ships on Jul 6, 2026
Auto Notify
ON SALE! SAVE 15%
$552.99

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

$470.04 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 ECS Tuning is part of Enthusiast Auto Holdings