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 Clear

BMW E90 M3 S65 4.0L

    • 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 BMW E90 M3 S65 4.0L
Your Vehicle BMW E90 M3 S65 4.0L
Change Clear

BMW E90 M3 S65 4.0L Engine Parts & Accessories

Sort By
Filter By
Return to Top

E9X M3 Cylinder Head Gasket - Priced Each

ES#3478233 - 11127841560 - E9X M3 Cylinder Head Gasket - Priced Each - Does not include hardware - Elring - BMW

Does not include hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3478233
Mfg#:
11127841560
In Stock at Vendor
$86.50 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BLACKLINE Performance Washer Fluid Cap - Red

ES#4465195 - E9XWFC-R - BLACKLINE Performance Washer Fluid Cap - Red - Upgrade with the brand new BLACKLINE Performance Washer Fluid Cap - Goldenwrench Supply Co - BMW MINI

Upgrade with the brand new BLACKLINE Performance Washer Fluid Cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Goldenwrench Supply Co - Corporate Logo
ES#:
4465195
Mfg#:
E9XWFC-R
In Stock
$47.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum S65 VANOS Covers

Replacement for the failure-prone plastic VANOS covers affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MMX Performance - Corporate Logo
ES#:
4940225
Mfg#:
MMR03-2001
Ships in 2 Business Days
$514.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel-It! 650HP S65 E9X BMW M3 LPFP Upgrade - w/ 4PSI Hobbs Switch

ES#4690529 - FIS65M3LPFP - Fuel-It! 650HP S65 E9X BMW M3 LPFP Upgrade - w/ 4PSI Hobbs Switch - Upgrade your fueling system to support your High Horsepower build! - Fuel-It! - BMW

Upgrade your fueling system to support your High Horsepower build! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuel-It! - Corporate Logo
ES#:
4690529
Mfg#:
FIS65M3LPFP
Back Ordered
$514.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - AL9454X

ES#4325154 - 12317837981bKT - Remanufactured Alternator - AL9454X - Includes refundable $75.00 core charge. - Bosch - BMW

Includes refundable $75.00 core charge. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4325154
Mfg#:
12317837981BKT
In Stock at Vendor
$526.99

This product was last offered at the strikethrough price on
05-07-2026

$513.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 79 degrees C

ES#25204 - 11537836155 - Thermostat - 79 degrees C - Includes sealing gasket - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
25204
Mfg#:
11537836155
Ships in 2 Business Days
21% off MSRP

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

$162.66

This product was last offered at the strikethrough price on
07-09-2026

$127.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Carrier - Left

ES#3463467 - 17107524912 - Radiator Carrier - Left - Plastic side frame for radiator - Bremmen Parts - BMW

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

Brand:
Bremmen Parts - Corporate Logo
ES#:
3463467
Mfg#:
17107524912
In Stock
ON SALE! SAVE 20%
$48.99

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

$39.16 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Housing Assembly

ES#258960 - 11427841525 - Housing Assembly - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
258960
Mfg#:
11427841525
Ships in 4 Business Days
5% off MSRP

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

$522.99

This product was last offered at the strikethrough price on
07-09-2026

$498.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fluid Level Sensor

ES#260195 - 17137524812 - Fluid Level Sensor - This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level - URO - BMW MINI

This sensor is used in multiple locations, depending on model: coolant level, washer level, and power steering level affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
260195
Mfg#:
17137524812
In Stock
$10.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2 Pin Connector

ES#4772590 - 12521427615 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772590
Mfg#:
12521427615
Ships on Jul 27, 2026
Auto Notify
ON SALE! SAVE 25%
$7.99

This product was last offered at the strikethrough price on
06-13-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Valve Cover Gasket Kit

ES#4809762 - 11127838271rKT - Complete Valve Cover Gasket Kit - Includes Genuine BMW replacement valve cover gaskets, spark plug tubes, oil separator o-rings, and camshaft position sensor o-rings - Genuine BMW - BMW

Includes Genuine BMW replacement valve cover gaskets, spark plug tubes, oil separator o-rings, and camshaft position sensor o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4809762
Mfg#:
11127838271RKT
In Stock
$476.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Alternator/Water Pump

ES#21808 - 11287837898 - Accessory Belt - Alternator/Water Pump - Keep your accessories turning - Genuine BMW - BMW

Keep your accessories turning affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
21808
Mfg#:
11287837898
Ships in 2 Business Days
13% off MSRP

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

$60.99

This product was last offered at the strikethrough price on
07-09-2026

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel tank breather valve

ES#35640 - 13907838281 - Fuel tank breather valve - Prevents the fuel tank from over pressurizing - Genuine BMW - BMW
ECS Tuning recommends this product.

Prevents the fuel tank from over pressurizing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
35640
Mfg#:
13907838281
Ships in 1 day
5% off MSRP

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

$124.99

This product was last offered at the strikethrough price on
07-09-2026

$119.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Coolant Reservoir Cap - Anodized Clear

ES#4505865 - CO0LANTCAPRAW - Billet Coolant Reservoir Cap - Anodized Clear - Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! - Vargas Turbo Technologies - BMW

Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
This coolant cap retains ALL of the factory provisions by simply allowing you to snap the factory pressure-relief into the new Billet Cap

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4505865
Mfg#:
CO0LANTCAPRAW
Ships in 3 Business Days
$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BLACKLINE Performance Fuel Cap Cover - Motorsport Blue

ES#4494816 - FXXFCC-B - BLACKLINE Performance Fuel Cap Cover - Motorsport Blue - Motorsport Blue Billet Aluminum Fuel Cap Cover from Goldenwrench Supply Co. - Goldenwrench Supply Co - BMW MINI

Motorsport Blue Billet Aluminum Fuel Cap Cover from Goldenwrench Supply Co. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits 2010+ Model Year BMWs only!
Fits 2010+ Model Year BMWs only!

Brand:
Goldenwrench Supply Co - Corporate Logo
ES#:
4494816
Mfg#:
FXXFCC-B
In Stock
$47.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Valve Spring Kit - BMW S65 Engine

ES#4313660 - ST-VSK-S65 - Supertech Valve Spring Kit - BMW S65 Engine - These springs have been thoroughly tested and performed flawlessly with nearly all the cams from Schrick. - Supertech - BMW

These springs have been thoroughly tested and performed flawlessly with nearly all the cams from Schrick. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4313660
Mfg#:
ST-VSK-S65
Ships in 7 Business Days
$469.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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.

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