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 E46 Performance Engine & Drivetrain Parts

Sort By
Filter By
Return to Top

Heavy Duty 4-Pad Rigid Racing Clutch Kit With XACT Streetlite Flywheel

ES#4608256 - BM12-HDR4 - Heavy Duty 4-Pad Rigid Racing Clutch Kit With XACT Streetlite Flywheel - Perfect for aggressive racing demands. Conservatively rated up to 505 ft/lbs torque capacity. - ACT - BMW

Perfect for aggressive racing demands. Conservatively rated up to 505 ft/lbs torque capacity. For vehicles with 5-speed transmission only

Brand:
ACT - Corporate Logo
ES#:
4608256
Mfg#:
BM12-HDR4
Ships in 6 Business Days
ON SALE! SAVE 10%
$1495.00

This product was last offered at the strikethrough price on
07-20-2026

$1345.50 USD
This product is lifetime replacement eligible Lifetime Replacement

AEM Short Ram Intake System

ES#4138968 - AEM-22-670R - AEM Short Ram Intake System - This features a shorter tube than a cold-air system for increased performance in an easy to install kit - AEM - BMW

This features a shorter tube than a cold-air system for increased performance in an easy to install kit CARB certified for sale in all 50 states
For 1999-2000 model years without HID headlights

Brand:
AEM - Corporate Logo
ES#:
4138968
Mfg#:
AEM-22-670R
EO#:
D-670
Ships in 4 Business Days
$429.99 USD
Free Shipping
on orders $49 and up

E46 325i/Ci Power Pack

ES#3980996 - 3027882ktKT - E46 325i/Ci Power Pack - Improve your cars performance with this effective and simple upgrade kit! - Assembled By ECS - BMW

Improve your cars performance with this effective and simple upgrade kit! 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 02/2003 with Valeo alternator

Brand:
Assembled By ECS - Corporate Logo
ES#:
3980996
Mfg#:
3027882KTKT
Ships on Oct 21, 2026
ON SALE!
$1955.99

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

$1859.91 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E46 325i/Ci Power Pack

ES#3980998 - 3027882kKT1 - E46 325i/Ci Power Pack - Improve your cars performance with this effective and simple upgrade kit! - Assembled By ECS - BMW

Improve your cars performance with this effective and simple upgrade kit! 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date after 02/2003 with Valeo alternator

Brand:
Assembled By ECS - Corporate Logo
ES#:
3980998
Mfg#:
3027882KKT1
Ships on Oct 21, 2026
ON SALE!
$1955.99

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

$1859.91 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E46 325i/Ci Power Pack

ES#3980994 - 2532708ktKT - E46 325i/Ci Power Pack - Improve your cars performance with this effective and simple upgrade kit! - Assembled By ECS - BMW

Improve your cars performance with this effective and simple upgrade kit! 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date after 02/2003 with Bosch alternator

Brand:
Assembled By ECS - Corporate Logo
ES#:
3980994
Mfg#:
2532708KTKT
Ships on Oct 21, 2026
ON SALE!
$1955.99

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

$1859.91 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E46 M3 Dual Ceramic Clutch Kit - With Single Mass Flywheel

ES#4745716 - MRX-006-005 - E46 M3 Dual Ceramic Clutch Kit - With Single Mass Flywheel - Heavy Duty Twin Plate 215mm Ceramic Disc Clutch for an Increase in Clamping Force Over the MR Series! - DKM - BMW

Heavy Duty Twin Plate 215mm Ceramic Disc Clutch for an Increase in Clamping Force Over the MR Series!

Brand:
DKM - Corporate Logo
ES#:
4745716
Mfg#:
MRX-006-005
Special Order: No Guaranteed ETA
$1799.99 USD
Free Shipping
on orders $49 and up

1200cc Fuel Injector Set

ES#4680305 - 16MX-30-1200-6 - 1200cc Fuel Injector Set - Precision-engineered 1200cc fuel injector set designed to provide a "drop-in" fitment for high-performance engines. - DeatschWerks - BMW

Precision-engineered 1200cc fuel injector set designed to provide a "drop-in" fitment for high-performance engines.

Brand:
DeatschWerks - Corporate Logo
ES#:
4680305
Mfg#:
16MX-30-1200-6
Ships in 3 Business Days
$819.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Essentials Bundle

ES#5435255 - MMB-E46-002 - Essentials Bundle - The Mishimoto Essentials Bundle is a comprehensive cooling solution designed to address the notorious "weak points" of the BMW E46 cooling system. - Mishimoto - BMW

The Mishimoto Essentials Bundle is a comprehensive cooling solution designed to address the notorious "weak points" of the BMW E46 cooling system. For vehicles with manual transmission

Brand:
Mishimoto - Corporate Logo
ES#:
5435255
Mfg#:
MMB-E46-002
Ships in 4 Business Days
$1127.99 USD

Ignition Coil, 8-Pack

ES#5435298 - MMIG-BMW-1108 - Ignition Coil, 8-Pack - The Mishimoto BMW 550i Ignition Coil is a high-quality replacement designed to restore the factory performance and fuel efficiency of your 4.4L V8 engine. - Mishimoto - BMW

The Mishimoto BMW 550i Ignition Coil is a high-quality replacement designed to restore the factory performance and fuel efficiency of your 4.4L V8 engine.

Brand:
Mishimoto - Corporate Logo
ES#:
5435298
Mfg#:
MMIG-BMW-1108
Ships in 4 Business Days
$274.99 USD
Free Shipping
on orders $49 and up

Rennline OE+ Upgraded Ignition Coil - Set Of 6

ES#4940209 - M137KT - Rennline OE+ Upgraded Ignition Coil - Set Of 6 - Regain power loss & fuel economy from worn or failed ignition coils! - Rennline - BMW

Regain power loss & fuel economy from worn or failed ignition coils!

Brand:
Rennline - Corporate Logo
ES#:
4940209
Mfg#:
M137KT
Ships in 6 Business Days
$228.00 USD
Free Shipping
on orders $49 and up

Rennline OE+ Upgraded Ignition Coil - Set Of 6

ES#4940236 - M133KT1 - Rennline OE+ Upgraded Ignition Coil - Set Of 6 - Regain power loss & fuel economy from worn or failed ignition coils! - Rennline - BMW

Regain power loss & fuel economy from worn or failed ignition coils!

Brand:
Rennline - Corporate Logo
ES#:
4940236
Mfg#:
M133KT1
Ships in 6 Business Days
$288.00 USD
Free Shipping
on orders $49 and up

Rogue Engineering OCTANE SSK

ES#3546853 - OCT.E46.320 - Rogue Engineering OCTANE SSK - A complete shift mechanism upgrade for the true enthusiast. - Rogue Engineering - BMW

A complete shift mechanism upgrade for the true enthusiast. For vehicles with 5 speed manual transmission only. Not for XI vehicles.

Brand:
Rogue Engineering - Corporate Logo
ES#:
3546853
Mfg#:
OCT.E46.320
Ships in 8 Business Days
$459.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Daily Clutch Kit

ES#3493279 - k70436hdoKT1 - Stage 2 Daily Clutch Kit - Designed for the daily-driven, weekend track warrior. Rated for 500ft/lbs - South Bend Clutch - BMW

Designed for the daily-driven, weekend track warrior. Rated for 500ft/lbs

Brand:
South Bend Clutch - Corporate Logo
ES#:
3493279
Mfg#:
K70436HDOKT1
Ships in 2 Business Days
$957.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Heavy Duty Clutch Kit

ES#3493400 - k70281hdKT1 - Stage 1 Heavy Duty Clutch Kit - Ideal for the spirited daily-driver. Rated at 295ft/lbs. - South Bend Clutch - BMW

Ideal for the spirited daily-driver. Rated at 295ft/lbs.

Brand:
South Bend Clutch - Corporate Logo
ES#:
3493400
Mfg#:
K70281HDKT1
Ships in 2 Business Days
$553.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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.

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