Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

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
affirm financing terms & conditions
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW M3 Engine Parts & Accessories

Sort By
Filter By
Return to Top

Castrol TWS Oil Change Kit / Inspection I

ES#4336233 - E965SVCKT7 - Castrol TWS Oil Change Kit / Inspection I - Assembled By ECS - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4336233
Mfg#:
E965SVCKT7
In Stock
ON SALE!
$305.99

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

$303.77 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Locking Screw/Button

ES#124729 - 51478248015 - Locking Screw/Button - Secure your covers and linings - Genuine BMW - BMW

Secure your covers and linings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
124729
Mfg#:
51478248015
In Stock
$2.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dinan High Flow Replacement Air Filter

ES#4145317 - D403-0300 - Dinan High Flow Replacement Air Filter - Replacement Air Filter - works with Dinan Supercharger System - Dinan - BMW

Replacement Air Filter - works with Dinan Supercharger System 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#:
4145317
Mfg#:
D403-0300
In Stock
35% off MSRP

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

$65.99

This product was last offered at the strikethrough price on
06-24-2026

$42.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Connecting Rod Bearing - Priced Each

ES#2542535 - 11247628035 - Upper Connecting Rod Bearing - Priced Each - 50.00mm - Blue - Genuine BMW - BMW

50.00mm - Blue affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2542535
Mfg#:
11247628035
Ships in 3 Business Days
7% off MSRP

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

$45.99

This product was last offered at the strikethrough price on
06-30-2026

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Filter

ES#35421 - 13727838804 - Air Filter - Protect your engine, improve performance - Genuine BMW - BMW

Protect your engine, improve performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/2009

Brand:
Genuine BMW - Corporate Logo
ES#:
35421
Mfg#:
13727838804
Ships in 3 Business Days
25% off MSRP

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

$79.58

This product was last offered at the strikethrough price on
06-30-2026

$60.07 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 4 Business Days
$299.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Positive Battery Cable

ES#162404 - 61122695530 - E46 M3 Positive Battery Cable - Battery cable that carries the power from your battery terminal - Genuine BMW - BMW

Battery cable that carries the power from your battery terminal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For coupe models only

Brand:
Genuine BMW - Corporate Logo
ES#:
162404
Mfg#:
61122695530
Back Ordered
3% off MSRP

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

$309.99

This product was last offered at the strikethrough price on
06-30-2026

$299.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

F8X - S55 Silent EKP PNP Cooler Kit - 40mm Noctua Fan

ES#4759849 - AT233F22BLA40MS5 - F8X - S55 Silent EKP PNP Cooler Kit - 40mm Noctua Fan - Stop Low Pressure Fuel Pressure Drops at the Source! - Arc Terminator - BMW

Stop Low Pressure Fuel Pressure Drops at the Source! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
A Must For Cars With Upgraded LPFPs

Brand:
Arc Terminator - Corporate Logo
ES#:
4759849
Mfg#:
AT233F22BLA40MS5
Ships in 2 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B58 S58 Billet Silver Engine Oil Cap

ES#4882939 - 201-0396-SIL - B58 S58 Billet Silver Engine Oil Cap - Improve the look of your oil cap - Precision Raceworks - BMW

Improve the look of your oil cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4882939
Mfg#:
201-0396-SIL
Ships on Jul 17, 2026
Auto Notify
$62.99

This product was last offered at the strikethrough price on
01-22-2026

$59.99 USD
Free Shipping
on orders $49 and up

Intake Boot

ES#34118 - 13541738757 - Intake Boot - Located between MAF and throttle body - Genuine BMW - BMW

Located between MAF and throttle body affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models without ASC+T

Brand:
Genuine BMW - Corporate Logo
ES#:
34118
Mfg#:
13541738757
Ships in 2 Business Days
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#3520890 - 12141744492 - Crankshaft Position Sensor - Does not include O-ring - Holstein - BMW

Does not include O-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Holstein - Corporate Logo
ES#:
3520890
Mfg#:
12141744492
Ships in 2 Business Days
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drive Belt Tensioner Pulley - Air Conditioner

ES#4820456 - 11287838196KT - Drive Belt Tensioner Pulley - Air Conditioner - Replacement pulley for your accessory belt tensioner - Doesn not include the arm or hydraulic tensioner - Ina - BMW

Replacement pulley for your accessory belt tensioner - Doesn not include the arm or hydraulic tensioner affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For clockwise power steering pump

Brand:
Ina - Corporate Logo
ES#:
4820456
Mfg#:
11287838196KT
In Stock
$25.99

This product was last offered at the strikethrough price on
05-06-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch

ES#2602122 - 61311378073 - Radiator Fan Switch - Measures radiator air temperature enabling the fan to turn off or on - Facet - BMW

Measures radiator air temperature enabling the fan to turn off or on affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date from 09/1987

Brand:
Facet - Corporate Logo
ES#:
2602122
Mfg#:
61311378073
In Stock
ON SALE!
$44.99

This product was last offered at the strikethrough price on
06-25-2026

$42.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bearing - Upper - Priced Each

ES#20768 - 11247835440 - Connecting Rod Bearing - Upper - Priced Each - Upper bearing for the connecting rod, marked blue with a 49.00mm measurement - Genuine BMW - BMW

Upper bearing for the connecting rod, marked blue with a 49.00mm measurement affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
20768
Mfg#:
11247835440
In Stock
ON SALE!
$52.48

This product was last offered at the strikethrough price on
01-07-2026

$49.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Secondary Air Pump

ES#2574722 - 11727837138 - E46 Secondary Air Pump - Common source of emissons related issues - Pierburg - BMW

Common source of emissons related issues affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pierburg - Corporate Logo
ES#:
2574722
Mfg#:
11727837138
Special Order: No Guaranteed ETA
$298.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Genuine Oil Change Kit - With ECS Aluminum Oil Filter Cap

ES#2918840 - 83212365945KT1 - Genuine Oil Change Kit - With ECS Aluminum Oil Filter Cap - Everything for an oil service with BMW Twin Power Turbo oil, ECS Magnetic Oil Drain Plug and Billet Aluminum Oil Filter Cap to prevent damaged threads or rounded heads! - Assembled By ECS - BMW

Everything for an oil service with BMW Twin Power Turbo oil, ECS Magnetic Oil Drain Plug and Billet Aluminum Oil Filter Cap to prevent damaged threads or rounded heads! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with a production date up to 09/2014

Brand:
Assembled By ECS - Corporate Logo
ES#:
2918840
Mfg#:
83212365945KT1
Ships on Sep 8, 2026
ON SALE!
$298.67 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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