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 Internals

Sort By
Filter By
Return to Top

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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
+0.50mm

Brand:
King - Corporate Logo
ES#:
4760025
Mfg#:
CR224SV0.5
In Stock at Vendor
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement Piston Ring Set For Turner Motorsport/Wiseco E30 M3 2.5-liter Pistons

ES#3419898 - 9400XX - Replacement Piston Ring Set For Turner Motorsport/Wiseco E30 M3 2.5-liter Pistons - Wiseco - BMW

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

Brand:
Wiseco - Corporate Logo
ES#:
3419898
Mfg#:
9400XX
In Stock
Limited Qty Sale
$31.99

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

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Titanium Valve Retainers - Exhaust - Sold Each

ES#4716129 - RET-BMN54-TE - Supertech Titanium Valve Retainers - Exhaust - Sold Each - Quality retainers from Supertech - Supertech - BMW

Quality retainers from Supertech affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4716129
Mfg#:
RET-BMN54-TE
Ships in 9 Business Days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N55/S55 37cc Platinum Series Dish Extreme Duty Piston Set - 84.5mm Bore

Upgrade to Manley's Platinum Extreme Duty Pistons for increased performance! Stock 10.2:1 Compression Ratio affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
.50mm Oversize

Brand:
MANLEY - Corporate Logo
ES#:
4685606
Mfg#:
647005CE-6
In Stock
Limited Qty Sale
$1260.99

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

$1170.99 USD

Performance Cam Follower/Rocker Arm - Set Of 24 With Installation Kit

ES#5374652 - 054995LA0KT - Performance Cam Follower/Rocker Arm - Set Of 24 With Installation Kit - Forged Chromoly with Diamond Like Carbon Coating built for superior wear resistance at the same weight as OE. Includes shims, shim tool, and feeler gauge for a comprehensive service. - Turner Motorsport - BMW

Forged Chromoly with Diamond Like Carbon Coating built for superior wear resistance at the same weight as OE. Includes shims, shim tool, and feeler gauge for a comprehensive service. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
5374652
Mfg#:
054995LA0KT
In Stock
ON SALE! SAVE 35%
$1799.99

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

$1169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Manley Connecting Rod Set - S58 - H-Beam

ES#4727642 - MAN-CRS-S58 - Manley Connecting Rod Set - S58 - H-Beam - Ditch those Factory Connecting Rods for a More Robust Alternative! - 5150 Autosport - BMW

Ditch those Factory Connecting Rods for a More Robust Alternative! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4727642
Mfg#:
MAN-CRS-S58
Ships in 4 Business Days
$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Xtreme Duty Cylinder Sleeve Set - S58

ES#4727636 - 5150-CS-S58 - Xtreme Duty Cylinder Sleeve Set - S58 - Beef up Your Cylinder Walls with 5150's Cylinder Sleeve Kit - 5150 Autosport - BMW

Beef up Your Cylinder Walls with 5150's Cylinder Sleeve Kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4727636
Mfg#:
5150-CS-S58
Ships in 4 Business Days
$1200.00 USD
Free Shipping
on orders $49 and up

Athena Cut Ring Head Gasket S14

ES#4783158 - ATH-HG-CR-S14-95 - Athena Cut Ring Head Gasket S14 - Increase Cylinder Head Sealing Properties! - 5150 Autosport - BMW

Increase Cylinder Head Sealing Properties! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4783158
Mfg#:
ATH-HG-CR-S14-95
Ships in 4 Business Days
$284.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance Main Bearing Set Std. - S58

ES#4727620 - 5150-HPMBS-S58 - High Performance Main Bearing Set Std. - S58 - Upgrade To 5150's High Performance Main Bearings! - 5150 Autosport - BMW

Upgrade To 5150's High Performance Main Bearings! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4727620
Mfg#:
5150-HPMBS-S58
Ships in 4 Business Days
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ferrea High Performance Oversized Valve Kit - S58

ES#4727634 - FER-HPVK-S58+ - Ferrea High Performance Oversized Valve Kit - S58 - Add these Titanium Oversized Valves for Increased Performance! - 5150 Autosport - BMW

Add these Titanium Oversized Valves for Increased Performance! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4727634
Mfg#:
FER-HPVK-S58+
Ships in 4 Business Days
$999.99 USD
Free Shipping
on orders $49 and up

ARP Head Stud Kit, BMW S14

Increase Cylinder Head Clamping Force Dramatically With ARP's Head Stud Kit for Your S14-Powered BMW! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ARP - Corporate Logo
ES#:
4783156
Mfg#:
ARP-HSK-S14
Ships in 4 Business Days
$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ARP Main Stud Kit, BMW S14

ES#4783157 - ARP-MSK-S14 - ARP Main Stud Kit, BMW S14 - Upgrade to ARP's Main Stud Kit for the S14 Engine to Reduce the Possibility of Crank-Walk! - ARP - BMW

Upgrade to ARP's Main Stud Kit for the S14 Engine to Reduce the Possibility of Crank-Walk! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ARP - Corporate Logo
ES#:
4783157
Mfg#:
ARP-MSK-S14
Ships in 4 Business Days
$119.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

King Performance BMW S54 Rod Bearings - Set - .025

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

Brand:
King - Corporate Logo
ES#:
4756548
Mfg#:
CR6877XP0.25
Ships in 3 Business Days
$300.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

SuperTech High Performance Valve Spring Kit 84 Lbs - S58

Upgrade your Valve Springs in your BMW S58! - 84lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4727628
Mfg#:
SUP-HPVSK-S58-84
Ships in 4 Business Days
$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperTech High Performance Oversized Valve Kit - S58

Upgrade to Supertech's High Performance Oversized Valve Kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4727632
Mfg#:
SUP-HPVK-S58+
Ships in 4 Business Days
$1099.99 USD
Free Shipping
on orders $49 and up

More About Performance Engine Internals

Building your dream engine? We have all the bearings, pistons, connecting rods, timing components, and more to help make that dream a reality.

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