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BMW E46 Performance Engine & Drivetrain Parts

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ES#2917934 - 303091652WKWVTKT - Limited Slip Differential Kit - Put all your power to the ground! - Wavetrac - BMW

Put all your power to the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wavetrac - Corporate Logo
ES#:
2917934
Mfg#:
303091652WKWVTKT
Ships on Jun 26, 2026
$1994.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4147266 - 185FH - Spal Electric Fan Harness with Relay - 185 Degree  - Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit - Spal - Audi BMW MINI

Single Fan 40amp relay wiring harness kit - 185 degree on/165 degree off with Sending unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147266
Mfg#:
185FH
In Stock
11% off MSRP

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

$186.99

This product was last offered at the strikethrough price on
06-03-2026

$165.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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
ES#3149054 - D403-0350 - Replacement Filter for Cold Air Intake - Priced Each - Replace your dirty, damaged, or lost filter - Dinan - BMW

Replace your dirty, damaged, or lost filter 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#:
3149054
Mfg#:
D403-0350
In Stock
12% off MSRP

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

$69.95

This product was last offered at the strikethrough price on
02-10-2026

$61.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2992240 - 002778ECS01 - Aluminum Water Pump Pulley - Finally, a durable water pump pulley that won't break! - ECS - BMW

Finally, a durable water pump pulley that won't break! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992240
Mfg#:
002778ECS01
Ships on Oct 19, 2026
ON SALE! SAVE 10%
$98.99

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

$89.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4699144 - 008694la12bKT - E46 325 Luft-Technik Intake System - Black Filter - Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. - ECS - BMW

Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4699144
Mfg#:
008694LA12BKT
In Stock
ON SALE! SAVE 15%
$327.99

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

$278.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4873486 - 039102la01KT - E46 323/328 Luft-Technik Intake System - Black Filter - Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. - ECS - BMW

Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4873486
Mfg#:
039102LA01KT
In Stock
ON SALE! SAVE 15%
$326.99

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

$277.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4749603 - XKBM23550-2E - 9" Twin Disc Clutch And Flywheel Kit - Solid Ceramic Discs - The XClutch 9" Twin Disc Ceramic Clutch offers a lightweight design for improved throttle response combined with high torque capacity, making it ideal for racing applications. Rated for 1350 ft-lbs! - XClutch - BMW

The XClutch 9" Twin Disc Ceramic Clutch offers a lightweight design for improved throttle response combined with high torque capacity, making it ideal for racing applications. Rated for 1350 ft-lbs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
XClutch - Corporate Logo
ES#:
4749603
Mfg#:
XKBM23550-2E
In Stock
$1924.99 USD
Free Shipping

The XClutch 9" Twin Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 1350 ft-lbs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft

Brand:
XClutch - Corporate Logo
ES#:
4750141
Mfg#:
XKBM23589-2E
Ships in 2 Business Days
$1924.99 USD
Free Shipping
ES#4418809 - 633512-00-36M - McLeod Mag Force SE Clutch - E46 M3 - Just right for a street and track-use, factory-rated 750hp and 700 ft-lbs of torque. - McLeod Racing - BMW

Just right for a street and track-use, factory-rated 750hp and 700 ft-lbs of torque. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
McLeod Racing - Corporate Logo
ES#:
4418809
Mfg#:
633512-00-36M
In Stock
$1917.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4135386 - 013264TMS02-01 - Turner Rally Shift Lever - Black Anodized - Upgrade to a taller shift lever to keep your hands closer to the wheel - Turner Motorsport - BMW

Upgrade to a taller shift lever to keep your hands closer to the wheel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with Turner Motorsport Short Shifters only

Brand:
Turner Motorsport - Corporate Logo
ES#:
4135386
Mfg#:
013264TMS02-01
In Stock
$109.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2998906 - 16142229684KT - Fuel Pump Kit - Includes new fuel pump with seal, jet pump and filter to address all common fuel issues in one go! - Assembled By ECS - BMW

Includes new fuel pump with seal, jet pump and filter to address all common fuel issues in one go! 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#:
2998906
Mfg#:
16142229684KT
Ships on Aug 6, 2026
Auto Notify
ON SALE!
$639.99

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

$629.78 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2918697 - 11127514540-2 - M52 M54 Cylinder Head - Complete - Complete cylinder head with guides, seats, valves, & springs - AMC - BMW
ECS Tuning recommends this product.

Complete cylinder head with guides, seats, valves, & springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AMC - Corporate Logo
ES#:
2918697
Mfg#:
11127514540-2
Special Order: No Guaranteed ETA
$1864.99 USD
ES#4845662 - M5X-WPC-MB - WPC-Treated Race Series Main Bearing Set - M20/M50/M52/M54/S54 - The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. - Turner Motorsport - BMW

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845662
Mfg#:
M5X-WPC-MB
In Stock
ON SALE! SAVE 10%
$509.99

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

$458.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

The XClutch Single 6-Puck Sprung Ceramic Clutch offers a lightweight design for improved throttle response combined with increased torque capacity, making it ideal for racing applications. Rated for 700 ft-lbs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
XClutch - Corporate Logo
ES#:
4749598
Mfg#:
XKBM24596-1B
Ships in 2 Business Days
$1834.99 USD
Free Shipping
ES#4699145 - 008694la13bKT - E46 330 Luft-Technik Intake System - Black Filter  - Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. - ECS - BMW

Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4699145
Mfg#:
008694LA13BKT
In Stock
ON SALE! SAVE 20%
$379.24

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

$303.39 USD
Free Shipping
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

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