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

Ignition Service Kit

ES#2597316 - 12131712219KT1 - Ignition Service Kit - Everything you need to service your ignition system including Bosch ignition coils and Bosch Platinum+4 spark plugs - Assembled By ECS - BMW

Everything you need to service your ignition system including Bosch ignition coils and Bosch Platinum+4 spark plugs 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597316
Mfg#:
12131712219KT1
In Stock
$253.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport DSSR - E46 M3 (144mm)

ES#4423258 - 017260la01KT - Turner Motorsport DSSR - E46 M3 (144mm) - Eliminate shifter slop for tighter, crisper shifts! - Turner Motorsport - BMW

Eliminate shifter slop for tighter, crisper shifts! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4423258
Mfg#:
017260LA01KT
In Stock
ON SALE! SAVE 24%
$184.99

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

$139.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4608584 - D650-0004KT4 - Performance Ignition Service Kit - Everything you need to service your ignition system! - Dinan - BMW

Everything you need to service your ignition system! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
4608584
Mfg#:
D650-0004KT4
In Stock
$317.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Daily Clutch Kit

ES#3493376 - k70380ssoKT - Stage 3 Daily Clutch Kit - Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 500ft/lbs. - South Bend Clutch - BMW

Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 500ft/lbs.

Brand:
South Bend Clutch - Corporate Logo
ES#:
3493376
Mfg#:
K70380SSOKT
Ships in 1 Business Day
$1104.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Silicone Hose Kit

ES#3236075 - 003631ECS01KT - ECS Silicone Hose Kit - Includes upper and lower radiator hoses, Water Pipe Connecting Line and Aluminum Coolant Bleeder Screw - ECS - BMW

Includes upper and lower radiator hoses, Water Pipe Connecting Line and Aluminum Coolant Bleeder Screw 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3236075
Mfg#:
003631ECS01KT
In Stock
ON SALE! SAVE 25%
$364.99

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

$273.25 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Magnum FORCE Pro 5R Stage 1 Air Intake System

ES#264140 - 54-10451 - Magnum FORCE Pro 5R Stage 1 Air Intake System - Excellent sound & power - the ultimate performance intake! +20hp & +27lb/ft! - AFE - BMW

Excellent sound & power - the ultimate performance intake! +20hp & +27lb/ft! CARB certified for sale in all 50 states

Brand:
AFE - Corporate Logo
ES#:
264140
Mfg#:
54-10451
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.

$543.99

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

$435.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner Plug-and-Play IAT Relocation Kit

ES#3194684 - 014579TMS - Turner Plug-and-Play IAT Relocation Kit - Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output - Turner Motorsport - BMW

Reposition your intake air temperature sensor to maintain more accurate readings to maximize power output 10X Entries For Our 25th Anniversary Sweepstakes!
Alleviate the plague of heat soak on the street or track.

Brand:
Turner Motorsport - Corporate Logo
ES#:
3194684
Mfg#:
014579TMS
Ships in 3 Business Days
ON SALE!
Starting at $138.57 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Connecting Rod Set - S54

ES#4758972 - CAR-S54-SCR - CP-Carrillo Connecting Rod Set - S54 - Upgrade to CP-Carrillo's Forged Connecting Rods! - 5150 Autosport - BMW

Upgrade to CP-Carrillo's Forged Connecting Rods! Upgrade Your Connecting Rods in Your High Horsepower S54!

Brand:
5150 Autosport - Corporate Logo
ES#:
4758972
Mfg#:
CAR-S54-SCR
Ships in 3 Business Days
Starting at $1849.99 USD
Customize
Free Shipping
on orders $49 and up

Transmission Mount - Priced Each

ES#41849 - 22322282340 - Transmission Mount - Priced Each - Secure the rear of the transmission to the crossmember - Genuine BMW - BMW

Secure the rear of the transmission to the crossmember

Brand:
Genuine BMW - Corporate Logo
ES#:
41849
Mfg#:
22322282340
Ships in 3 Business Days
8% off MSRP

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

$92.25

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

$84.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential And LSD Tune

ES#4846087 - bm237haKT - Differential And LSD Tune - Upgrade to a better performing LSD also includes tune. - OS Giken - BMW

Upgrade to a better performing LSD also includes tune.

Brand:
OS Giken - Corporate Logo
ES#:
4846087
Mfg#:
BM237HAKT
Ships in 2 Business Days
$2100.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Connecting Rod Set M5X Pro-Xtreme

ES#4759044 - CAR-CRS-S52-XT - CP-Carrillo Connecting Rod Set M5X Pro-Xtreme - Upgrade Your M5x Engine With CP-Carrillo Rods Today! 135mm Rods - 5150 Autosport - BMW

Upgrade Your M5x Engine With CP-Carrillo Rods Today! 135mm Rods

Brand:
5150 Autosport - Corporate Logo
ES#:
4759044
Mfg#:
CAR-CRS-S52-XT
Ships in 3 Business Days
$2099.99 USD
Free Shipping
on orders $49 and up

Turner Motorsport Power Pulley Kit

ES#3027882 - TMS301180 - Turner Motorsport Power Pulley Kit - Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises! - Turner Motorsport - BMW

Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises! 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with Valeo alternator

Brand:
Turner Motorsport - Corporate Logo
ES#:
3027882
Mfg#:
TMS301180
In Stock
ON SALE! SAVE 20%
$372.99

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

$298.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turner/ECS E46 330 M54 Engine Performance Package

ES#4691015 - E46330PP - Turner/ECS E46 330 M54 Engine Performance Package - What steps can you take to upgrade your E46 330? Here is an easy solution, this kit features all of "must have" upgrades to get your 330 making more power, more noise making it more fun to drive! - Assembled By ECS - BMW

What steps can you take to upgrade your E46 330? Here is an easy solution, this kit features all of "must have" upgrades to get your 330 making more power, more noise making it more fun to drive! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4691015
Mfg#:
E46330PP
Back Ordered
ON SALE!
Starting at $0.00 USD
Customize
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Fuel Pump - E46 M3

ES#37392 - 16142229684 - E46 M3 Fuel Pump - E46 M3 - Replace your weak factory pump with this new unit - Genuine BMW - BMW

Replace your weak factory pump with this new unit

Brand:
Genuine BMW - Corporate Logo
ES#:
37392
Mfg#:
16142229684
Ships in 3 Business Days
9% off MSRP

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

$754.48

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

$688.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Clutch & Flywheel Kit & Polyurethane Transmission Mount Set

ES#4876683 - 048498LA01EBKT - Performance Clutch & Flywheel Kit & Polyurethane Transmission Mount Set - Receive a discounted performance polyurethane transmission mount set alongside your new performance clutch and flywheel kit! - Enthusiast Bundles - BMW

Receive a discounted performance polyurethane transmission mount set alongside your new performance clutch and flywheel kit! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!
For vehicles with 5-speed transmission only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876683
Mfg#:
048498LA01EBKT
In Stock
ON SALE! SAVE 19%
$1236.99

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

$999.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Helical Limited Slip Differential - with ratio 3.15 or greater

ES#2795230 - MF-TRS-05E46 - Helical Limited Slip Differential - with ratio 3.15 or greater - Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. - Team MFactory - BMW

Allows for traction at all times by providing the most power to the wheel with more grip. Unlike plate differentials (1,1.5,2-way) helical LSDs can supply different spin rates to each axle, like when cornering. For vehicles with a manual transmission

Brand:
Team MFactory - Corporate Logo
ES#:
2795230
Mfg#:
MF-TRS-05E46
Ships in 3 Business Days
$999.99 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.

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