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BMW E46 Performance Engine & Drivetrain Parts

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E46 M3 Fuel Pump

ES#4905059 - 16142229684 - E46 M3 Fuel Pump - Replace your weak factory pump with this new unit - Hella - BMW

Replace your weak factory pump with this new unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hella - Corporate Logo
ES#:
4905059
Mfg#:
16142229684
In Stock
$243.93

This product was last offered at the strikethrough price on
05-22-2026

$208.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Large Aluminum Oil Catch Can

ES#2765062 - MM0CCLA - Universal Large Aluminum Oil Catch Can - Includes Mounting Brackets & Hardware - Mishimoto - Audi BMW Volkswagen MINI

Includes Mounting Brackets & Hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2765062
Mfg#:
MM0CCLA
In Stock
$127.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Boost Cooler Stage 3 DI ProLine Water/Methanol Injection

ES#4698806 - SP10317PRO - Boost Cooler Stage 3 DI ProLine Water/Methanol Injection - Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Proven to reduce the air inlet temperature by up to 100 degrees and increase octane by 25points for maximum HP and cooling! 3-liter reservoir, stainless steel braided line, 4AN fittings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4698806
Mfg#:
SP10317PRO
In Stock at Vendor
$833.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#3677671 - 12131712219pkt - Performance Ignition Service Kit - Everything you need to service your ignition system including spark plugs and Bav Auto ignition coils - Assembled By ECS - BMW

Everything you need to service your ignition system including spark plugs and Bav Auto ignition coils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 10/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
3677671
Mfg#:
12131712219PKT
In Stock
ON SALE! SAVE 20%
$243.35

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

$195.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses

ES#4876697 - 008363LA02EB1KT - M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses - The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. - Enthusiast Bundles - BMW

The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876697
Mfg#:
008363LA02EB1KT
Ships on Jul 21, 2026
Auto Notify
ON SALE! SAVE 24%
$1055.95

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

$799.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own CSL Intake Plenum - SMG & 6MT

ES#4668335 - 003313TMS01 - Build Your Own CSL Intake Plenum - SMG & 6MT - Get the highly coveted CSL experience with your S54! Roaring induction noise, aesthetics and increased performance are just the tip of the iceberg when installing this legendary intake. - Turner Motorsport - BMW

Get the highly coveted CSL experience with your S54! Roaring induction noise, aesthetics and increased performance are just the tip of the iceberg when installing this legendary intake. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4668335
Mfg#:
003313TMS01
Ships on Jul 7, 2026
ON SALE!
Starting at $2265.94 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DeatschWerks Performance Fuel Injector Set - 950cc

ES#4488474 - 16U-00-0090-6 - DeatschWerks Performance Fuel Injector Set - 950cc - 90lb/hr 950cc per minute set of 6 fuel injectors - DeatschWerks - BMW

90lb/hr 950cc per minute set of 6 fuel injectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Custom Applications - Will require additional tuning or modifications. NOT DIRECT DROP IN!

Brand:
DeatschWerks - Corporate Logo
ES#:
4488474
Mfg#:
16U-00-0090-6
Ships in 7 Business Days
$524.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FX250 Stage 2 Clutch and flywheel Kit

ES#3622192 - 03CM1-HD0F-AK - FX250 Stage 2 Clutch and flywheel Kit - More holding power with a Rigid organic/fiber tough disc and light weight aluminum flywheel - Clutch Masters - BMW

More holding power with a Rigid organic/fiber tough disc and light weight aluminum flywheel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 5-speed transmission only

Brand:
Clutch Masters - Corporate Logo
ES#:
3622192
Mfg#:
03CM1-HD0F-AK
In Stock
15% off MSRP

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

$1328.99

This product was last offered at the strikethrough price on
06-02-2026

$1129.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Performance Polyurethane Differential Bushing Set

ES#2748545 - 002447ECS02KT - Complete Performance Polyurethane Differential Bushing Set - ECS engineered to improve power application and offer superior service life over factory rubber bushings - ECS - BMW

ECS engineered to improve power application and offer superior service life over factory rubber bushings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2748545
Mfg#:
002447ECS02KT
In Stock
ON SALE! SAVE 25%
$179.99

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

$134.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M3 Rogue Engineering OCTANE SSK

ES#3546854 - OCT.E46.420 - E46 M3 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rogue Engineering - Corporate Logo
ES#:
3546854
Mfg#:
OCT.E46.420
Back Ordered
Auto Notify
$449.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Power Steering Pulley

ES#2795558 - 003042ECS01 - Aluminum Power Steering Pulley - Finally, a durable power steering pulley that won't break! - ECS - BMW

Finally, a durable power steering 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#:
2795558
Mfg#:
003042ECS01
In Stock
ON SALE! SAVE 15%
$86.99

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

$73.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

ES#2999055 - MMRAD-E46-323A - Performance Aluminum Radiator - Fully brazed two-row aluminum core with TIG-welded end tanks - Mishimoto - BMW

Fully brazed two-row aluminum core with TIG-welded end tanks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2999055
Mfg#:
MMRAD-E46-323A
Ships in 1-2 days
$539.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Drilled Oil Pump Nut

ES#3023516 - OILPUMPNUT - Drilled Oil Pump Nut - Safety-wired nut to alleviate the nut backing off, leaving you with no oil pressure - Turner Motorsport - BMW

Safety-wired nut to alleviate the nut backing off, leaving you with no oil pressure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3023516
Mfg#:
OILPUMPNUT
Ships on Jun 18, 2026
Auto Notify
ON SALE! SAVE 10%
$29.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Catch Can Kit - Carbon Fiber

ES#2500608 - MM0CCCF - Universal Catch Can Kit - Carbon Fiber - Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. - Mishimoto - Audi BMW Volkswagen MINI

Kit with catch can and rubber hose; for retrofitting on a variety of vehicles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2500608
Mfg#:
MM0CCCF
In Stock
$162.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DeatschWerks Performance Fuel Injector Set - 550cc

ES#4488476 - 16U-00-0050-6 - DeatschWerks Performance Fuel Injector Set - 550cc - 50lb/hr 550cc per minute set of 6 fuel injectors - DeatschWerks - BMW

50lb/hr 550cc per minute set of 6 fuel injectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Custom Applications - Will require additional tuning or modifications. NOT DIRECT DROP IN!

Brand:
DeatschWerks - Corporate Logo
ES#:
4488476
Mfg#:
16U-00-0050-6
In Stock
$403.99

This product was last offered at the strikethrough price on
06-02-2026

$399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 Exact-Fit Stainless Steel Clutch Line

ES#3525712 - 009536ECS01 - E46 Exact-Fit Stainless Steel Clutch Line - Improve clutch pedal feel with this simple, yet dramatic upgrade - ECS - BMW

Improve clutch pedal feel with this simple, yet dramatic upgrade affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3525712
Mfg#:
009536ECS01
In Stock
ON SALE! SAVE 20%
$61.99

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

$49.59 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.

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