Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E46 325Ci M54 2.5L

BMW E46 325Ci M54 2.5L Performance Engine & Drivetrain Parts

Sort By
Filter By
Return to Top
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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 Sep 9, 2026
ON SALE!
$1955.99

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

$1852.31 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4714702 - 1.25G-UMT-CL - 1.25 Gallon Heavy-Duty Universal Methanol Tank - Clear/White - Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk. - Burger Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Heavy-duty yet compact tank that is compact and flexible allowing for a wide range of mounting on any flat vertical surface in the trunk. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Burger Motorsports - Corporate Logo
ES#:
4714702
Mfg#:
1.25G-UMT-CL
Ships on Jun 23, 2026
$69.00 USD
Free Shipping
on orders $49 and up
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission

Brand:
Mishimoto - Corporate Logo
ES#:
5435255
Mfg#:
MMB-E46-002
Ships in 4 Business Days
$1127.99 USD
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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#5471031 - PFF5-4655BLK - Transmission Mount Bushing - Black Series - Track-spec transmission mounts eliminate drivetrain deflection for laser-precise shifting - Powerflex - BMW

Track-spec transmission mounts eliminate drivetrain deflection for laser-precise shifting affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
5471031
Mfg#:
PFF5-4655BLK
Ships in 2 Business Days
$118.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#5471032 - PFF5-4655H - Transmission Mount Bushing - Heritage Series - Slate-grey polyurethane mounts stop transmission twist for crisp, precise shifting. - Powerflex - BMW

Slate-grey polyurethane mounts stop transmission twist for crisp, precise shifting. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Powerflex - Corporate Logo
ES#:
5471032
Mfg#:
PFF5-4655H
Ships in 2 Business Days
$118.99 USD
This product is lifetime replacement eligible Lifetime Replacement
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
4940209
Mfg#:
M137KT
Ships in 6 Business Days
$210.00 USD
Free Shipping
on orders $49 and up
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rennline - Corporate Logo
ES#:
4940236
Mfg#:
M133KT1
Ships in 6 Business Days
$270.00 USD
Free Shipping
on orders $49 and up
ES#4749609 - XKBM18530-2E - 7.25 In. Twin Solid Ceramic Disc Ckutch And Flywheel Kit - The XClutch 7.25" 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 900 ft-lbs! - XClutch - BMW

The XClutch 7.25" 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 900 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#:
4749609
Mfg#:
XKBM18530-2E
Ships in 2 Business Days
$1862.99 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#:
4750147
Mfg#:
XKBM23589-2P
Ships in 2 Business Days
$3112.99 USD
Free Shipping
ES#4766111 - XKBM20533-2E - 8" Twin Disc Clutch And Flywheel Kit - Solid Ceramic Discs - The XClutch 8" 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 890 ft-lbs! - XClutch - BMW

The XClutch 8" 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 890 ft-lbs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 6 speed 22 Spline Transmission and Production Date From 03/2003

Brand:
XClutch - Corporate Logo
ES#:
4766111
Mfg#:
XKBM20533-2E
Ships in 2 Business Days
$1692.99 USD
Free Shipping

Innovative design and excellent function! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 5-speed transmissions

Brand:
Advanced Auto Fabrication - Corporate Logo
ES#:
4504838
Mfg#:
116147
Ships in 4 Business Days
$1245.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Take total control of your drivetrain with Stage 2 Performance Engine Mounts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
5435092
Mfg#:
BFI-BMW-90-02
Ships on Jun 29, 2026
$229.99 USD
Free Shipping
on orders $49 and up

By limiting the side-to-side deflection of the gearbox, these mounts ensure your shift linkage stays perfectly aligned with your hand, providing a mechanical, bolt-action feel to every gear change. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
5435098
Mfg#:
BFI-BMW-TRANS-01
Ships on Jun 29, 2026
$69.99 USD
Free Shipping
on orders $49 and up

Restore your BMW's shifting precision and throttle response with Stage 1 Performance Engine Mounts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
5435091
Mfg#:
BFI-BMW-90-01
Ships on Jun 29, 2026
$199.99 USD
Free Shipping
on orders $49 and up

Engages water-methanol system at 35PSI Adjustable from 25-50psi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826280
Mfg#:
81081
Ships in 2 Business Days
$74.99 USD
Free Shipping
on orders $49 and up

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 ECS Tuning is part of Enthusiast Auto Holdings