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 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
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 Performance Engine & Drivetrain Parts

Sort By
Filter By
Return to Top

In-Line Micro Regulator - 6 Bar

ES#4690254 - 601-0261 - In-Line Micro Regulator - 6 Bar - The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! - Precision Raceworks - Audi BMW Volkswagen

The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4690254
Mfg#:
601-0261
Ships in 10 Business Days
$64.99 USD
Free Shipping
on orders $49 and up

E9X E9X Dynamic Air scoop

ES#3617934 - sg71324 - E9X E9X Dynamic Air scoop - Force more air into your intake system - FTP Motorsport - BMW

Force more air into your intake system

Brand:
FTP Motorsport - Corporate Logo
ES#:
3617934
Mfg#:
SG71324
Special Order: No Guaranteed ETA
$55.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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! +0.50mm

Brand:
King - Corporate Logo
ES#:
4760025
Mfg#:
CR224SV0.5
In Stock
Limited Qty Sale
$57.99

This product was last offered at the strikethrough price on
10-07-2026

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spal 185 Degree Thermo-Switch

Replacement thermo-switch for Spal electric fan conversion kits.

Brand:
Spal - Corporate Logo
ES#:
4753440
Mfg#:
SPL185TS
Back Ordered
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

16" Fan shroud gasket

ES#4147340 - 30130074 - 16" Fan shroud gasket - Provides .25" stand off from radiator - Spal - Audi BMW MINI

Provides .25" stand off from radiator

Brand:
Spal - Corporate Logo
ES#:
4147340
Mfg#:
30130074
In Stock at Vendor
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

Rogue Engineering Power Pulley Kit *Scratch And Dent*

ES#5444721 - PP.S65.V8.A - Rogue Engineering Power Pulley Kit *Scratch And Dent* - ***Please see photos and description prior to ordering, all sales final.*** Reduce rotating mass and lower weight to free-up hidden horsepower. - Scratch & Dent - BMW

***Please see photos and description prior to ordering, all sales final.*** Reduce rotating mass and lower weight to free-up hidden horsepower. ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!
For vehicles with a production date up to 05/2008 with single drive belt.

Brand:
Scratch & Dent - Corporate Logo
ES#:
5444721
Mfg#:
PP.S65.V8.A
In Stock
ON SALE! SAVE 34%
$295.00

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

$195.70 USD
Free Shipping
on orders $49 and up

Crank Power Pulley Kit

ES#2532823 - 79-10001 - Crank Power Pulley Kit - Bolt-on performance in minutes! - AFE - BMW

Bolt-on performance in minutes!

Brand:
AFE - Corporate Logo
ES#:
2532823
Mfg#:
79-10001
Ships in 4 Business Days
20% off MSRP

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

$585.00

This product was last offered at the strikethrough price on
10-15-2026

$468.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injectors - 1100cc - Set Of 8

ES#5388998 - 17MX-00-1100-8 - Fuel Injectors - 1100cc - Set Of 8 - Set of high-performance fuel injectors engineered specifically for the BMW M-series engines. - DeatschWerks - BMW

Set of high-performance fuel injectors engineered specifically for the BMW M-series engines.

Brand:
DeatschWerks - Corporate Logo
ES#:
5388998
Mfg#:
17MX-00-1100-8
Ships in 7 Business Days
$989.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S65 Performance Air Intake System

ES#3164607 - 63-1116 - S65 Performance Air Intake System - Great sound and increase power with this K&N intake kit! - K&N - BMW

Great sound and increase power with this K&N intake kit!

Brand:
K&N - Corporate Logo
ES#:
3164607
Mfg#:
63-1116
Ships in 5 Business Days
$380.99 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

Brand:
King - Corporate Logo
ES#:
4759947
Mfg#:
MB5803CA0.5
Ships in 4 Business Days
$180.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

S65 Catchan Kit Project - Standard

ES#4920462 - S65CCSK - S65 Catchan Kit Project - Standard - Looking to preserve the performance and longevity of your S65 engine? Trust the S65 Catchan Kit Project - Standard, a vital upgrade for proactive maintenance and reliability. - NRW Design - BMW

Looking to preserve the performance and longevity of your S65 engine? Trust the S65 Catchan Kit Project - Standard, a vital upgrade for proactive maintenance and reliability.

Brand:
NRW Design - Corporate Logo
ES#:
4920462
Mfg#:
S65CCSK
Ships in 4 Business Days
$395.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

9" Twin Disc Clutch and Flywheel Kit - Solid Ceramic Discs

ES#4689926 - XKBM23599-2E - 9" Twin Disc Clutch and Flywheel Kit - Solid Ceramic Discs - The twin disc 9" range with ceramic friction discs are designed for high horsepower motorsport applications where a high heat and torque capacity is required. Rated for 1350 ft-lb! - XClutch - BMW

​The twin disc 9" range with ceramic friction discs are designed for high horsepower motorsport applications where a high heat and torque capacity is required. Rated for 1350 ft-lb!

Brand:
XClutch - Corporate Logo
ES#:
4689926
Mfg#:
XKBM23599-2E
Ships in 3 Business Days
$1982.99 USD
Free Shipping

Generation 2 Supercharger Kit - Level 2

640HP/413TQ - a complete power solution for your M3 - includes front-mount air-to-air intercooler!

Brand:
Active Autowerke - Corporate Logo
ES#:
3438854
Mfg#:
12-029
Ships on Nov 2, 2026
5% off MSRP

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

$16249.00

This product was last offered at the strikethrough price on
10-15-2026

$15436.99 USD
Free Shipping

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings