Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle

BMW M3 Engine Parts & Accessories

Sort By
Filter By
Return to Top
ES#4830823 - 004268LA01 - E46 M3 Triple-Pass Aluminum Radiator - Track-tested and street-readythe ULTIMATE cooling system upgrade for your E46 M3! - Turner Motorsport - BMW

Track-tested and street-ready—the ULTIMATE cooling system upgrade for your E46 M3! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4830823
Mfg#:
004268LA01
Back Ordered
Auto Notify
$592.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4731941 - 101-0212 - Motiv ReFlex Plug-n-Play Ethanol Sensor Harness - For Vehicles With Motiv ReFlex Unit Currently Installed - Motiv Motorsports - BMW

For Vehicles With Motiv ReFlex Unit Currently Installed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles With Motiv ReFlex Unit Currently Installed Only

Brand:
Motiv Motorsports - Corporate Logo
ES#:
4731941
Mfg#:
101-0212
In Stock
$49.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#25902 - 11617833496 - Euro CSL Intake - Give your vehicle the intake it was meant to have - Genuine European BMW - BMW

Give your vehicle the intake it was meant to have affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine European BMW - Corporate Logo
ES#:
25902
Mfg#:
11617833496
Special Order: No Guaranteed ETA
$5921.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4429934 - MMR20-1001 - MMX One-Piece Crank Hub - Install MMX's One-Piece Crank Hub as a Solution to Hub Slippage! - MMX Performance - BMW

Install MMX's One-Piece Crank Hub as a Solution to Hub Slippage! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MMX Performance - Corporate Logo
ES#:
4429934
Mfg#:
MMR20-1001
Ships in 1 Business Day
$730.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2817596 - 11428637820 - Oil Cooler Gasket - Common cause of oil leaks can be easily repaired - Genuine BMW - BMW

Common cause of oil leaks can be easily repaired affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2817596
Mfg#:
11428637820
In Stock
16% off MSRP

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

$47.80

This product was last offered at the strikethrough price on
01-08-2026

$39.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3617648 - i48CX - Intensity Carbon Lithium-ION Battery - i48CX - 10.5lbs - Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 10.5lbs! - Braille - BMW

Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 10.5lbs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
Braille - Corporate Logo
ES#:
3617648
Mfg#:
I48CX
Ships in 4 Business Days
$1164.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4716120 - SPRKFE20N54BE2 - Conical Spring Kit - Set Of 24 - High performance valve spring kit including retainers. 84lb@ 37mm, 157lb @ 10mm - Supertech - BMW

High performance valve spring kit including retainers. 84lb@ 37mm, 157lb @ 10mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4716120
Mfg#:
SPRKFE20N54BE2
Ships on Jun 24, 2026
$965.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4810956 - 11127846359 - Valve Cover - Replace your damaged valve cover - URO - BMW

Replace your damaged valve cover affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4810956
Mfg#:
11127846359
In Stock
$359.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#519356 - 54-10462 - E46 M3 Magnum FORCE Pro 5R Stage 2 Air Intake System - Excellent sound & power - the ultimate performance intake! +12hp & +11lb/ft! - AFE - BMW

Excellent sound & power - the ultimate performance intake! +12hp & +11lb/ft! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
AFE - Corporate Logo
ES#:
519356
Mfg#:
54-10462
EO#:
D-550-38
In Stock
20% off MSRP

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

$598.99

This product was last offered at the strikethrough price on
01-28-2026

$479.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1844201 - 201-6102 - Connecting Rod Bolt Kit - Late S54 - M10x45mm UHL Pro-Series ARP rod bolt set - ARP - BMW

M10x45mm UHL Pro-Series ARP rod bolt set affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production from 02/2003

Brand:
ARP - Corporate Logo
ES#:
1844201
Mfg#:
201-6102
In Stock
$116.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4176997 - 11657849651 - Turbocharger With Manifold - Rear Position - Replacement factory turbocharger for cylinders 4-6. No core charge! - Mitsubishi Turbocharger - BMW

Replacement factory turbocharger for cylinders 4-6. No core charge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mitsubishi Turbocharger - Corporate Logo
ES#:
4176997
Mfg#:
11657849651
Ships in 2 Business Days
$1143.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4415874 - 007629la10KT - Turner Motorsport E9x ECU/ Brake Master Cover Set - Compliment your engine bay and hide away the exposed ECU - Turner Motorsport - BMW
ECS Tuning recommends this product.

Compliment your engine bay and hide away the exposed ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4415874
Mfg#:
007629LA10KT
In Stock
ON SALE! SAVE 25%
$178.69

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

$134.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#514356 - 11317584723 - Chain Tensioner - With Gasket Ring - Addresses chain slap or other noise caused by a failed or failing tensioner - Genuine BMW - BMW

Addresses chain slap or other noise caused by a failed or failing tensioner affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
514356
Mfg#:
11317584723
In Stock
7% off MSRP

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

$111.85

This product was last offered at the strikethrough price on
04-14-2026

$103.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3660756 - PURE-S55-0002KT - S55 Pure Stage 2+ Turbo Upgrade - Capable of 900+ WHP with supporting modifications - Includes refundable $1500 core charge. - Pure Turbos - BMW

Capable of 900+ WHP with supporting modifications - Includes refundable $1500 core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pure Turbos - Corporate Logo
ES#:
3660756
Mfg#:
PURE-S55-0002KT
Ships on Jul 8, 2026
$5705.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4057411 - MMFS-E46-01K - E46 M3 Performance Aluminum Fan Shroud Kit - Fan Controller with Probe & NPT Sensor - Aluminum fan shroud with 16" slim electric fan, fan controller, NPT & Probe style temperature sensors - Mishimoto - BMW

Aluminum fan shroud with 16" slim electric fan, fan controller, NPT & Probe style temperature sensors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
4057411
Mfg#:
MMFS-E46-01K
In Stock
$460.99

This product was last offered at the strikethrough price on
02-22-2026

$373.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4818128 - G8X-M3M4-E-GBGA - G8X M3 M4 Experience Package - Upgrade To Dinan's Experience Package to Save When Modifying Your G8X M3 or M4! - Dinan - BMW

Upgrade To Dinan's Experience Package to Save When Modifying Your G8X M3 or M4! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4818128
Mfg#:
G8X-M3M4-E-GBGA
Ships in 5 Business Days
10% off MSRP

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

$6227.99

This product was last offered at the strikethrough price on
06-08-2026

$5604.99 USD
Free Shipping

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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