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

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

Sort By
Filter By
Return to Top
ES#4147343 - FRH - Spal Electric Fan Harness with Relay - Electric Fan Relay - 40 amp, 12V, single pole wiring harness kit - Spal - Audi BMW MINI

Electric Fan Relay - 40 amp, 12V, single pole wiring harness kit

Brand:
Spal - Corporate Logo
ES#:
4147343
Mfg#:
FRH
Back Ordered
12% off MSRP

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

$112.99

This product was last offered at the strikethrough price on
11-14-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5456577 - 9-421-1031 - DW420 Fuel Pump - With Install Kit - This premium fuel pump delivers a massive 420 LPH to ensure your engine never starves under heavy acceleration or high-boost conditions. - DeatschWerks - BMW

This premium fuel pump delivers a massive 420 LPH to ensure your engine never starves under heavy acceleration or high-boost conditions.

Brand:
DeatschWerks - Corporate Logo
ES#:
5456577
Mfg#:
9-421-1031
Ships in 6 Business Days
$199.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2748916 - 002447ECS04KT - Performance Polyurethane Differential Bushing Set - Front Position - ECS engineered to improved power application and superior service life over factory rubber bushings - ECS - BMW

ECS engineered to improved power application and superior service life over factory rubber bushings 10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2748916
Mfg#:
002447ECS04KT
In Stock
ON SALE! SAVE 30%
$112.99

This product was last offered at the strikethrough price on
11-07-2026

$79.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4138960 - AEM-21-672P - AEM Cold Air Intake System - This intake will increase power and provide your engine with cooler air than the factory airbox. - AEM - BMW

This intake will increase power and provide your engine with cooler air than the factory airbox. CARB certified for sale in all 50 states
For 2001-2003 model years only

Brand:
AEM - Corporate Logo
ES#:
4138960
Mfg#:
AEM-21-672P
EO#:
D-670-15
Ships in 4 Business Days
ON SALE! SAVE 12%
$429.99

This product was last offered at the strikethrough price on
11-13-2026

$379.99 USD
ES#3432477 - D760-0007 - Cold Air Intake System  - Gain additional flow and performance! - Dinan - BMW

Gain additional flow and performance! Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes 5X Entries For Our Spin To Win Sweepstakes!
CARB certified for sale in all 50 states

Brand:
Dinan - Corporate Logo
ES#:
3432477
Mfg#:
D760-0007
EO#:
D-176-32
Ships in 5 Business Days
11% off MSRP

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

$418.99

This product was last offered at the strikethrough price on
11-14-2026

$371.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5435316 - MMIG-BMW-0204 - Ignition Coil, 4-Pack - Designed to restore the factory performance and fuel efficiency of a wide range of BMW models from 2002 to 2016. - Mishimoto - BMW

Designed to restore the factory performance and fuel efficiency of a wide range of BMW models from 2002 to 2016.

Brand:
Mishimoto - Corporate Logo
ES#:
5435316
Mfg#:
MMIG-BMW-0204
Ships in 3 Business Days
$123.99 USD
Free Shipping
on orders $49 and up
ES#5435310 - MMIG-BMW-0206 - Ignition Coils, 6-Pack - This coil is engineered as a direct-fit replacement, ensuring a seamless installation that communicates perfectly with the vehicle's ECU. - Mishimoto - BMW

This coil is engineered as a direct-fit replacement, ensuring a seamless installation that communicates perfectly with the vehicle's ECU.

Brand:
Mishimoto - Corporate Logo
ES#:
5435310
Mfg#:
MMIG-BMW-0206
Ships in 3 Business Days
$184.99 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 2X Entries For Our Spin To Win Sweepstakes!

Brand:
Powerflex - Corporate Logo
ES#:
5471031
Mfg#:
PFF5-4655BLK
In Stock
$118.99 USD
Free Shipping
on orders $49 and up
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. 2X Entries For Our Spin To Win Sweepstakes!

Brand:
Powerflex - Corporate Logo
ES#:
5471032
Mfg#:
PFF5-4655H
In Stock
$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2764825 - MMFAN10 - Universal 10" Electric Fan - Black - 850 CFM - 5.1 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

850 CFM - 5.1 amps at 12.3 volts

Brand:
Mishimoto - Corporate Logo
ES#:
2764825
Mfg#:
MMFAN10
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.

$98.00

This product was last offered at the strikethrough price on
11-14-2026

$88.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3603627 - SP1110WB - Injen Wrinkle Black Short Ram Intake  - Improved throttle response and power from less restriction and a colder air charge! - Injen - BMW

Improved throttle response and power from less restriction and a colder air charge!

Brand:
Injen - Corporate Logo
ES#:
3603627
Mfg#:
SP1110WB
In Stock at Vendor
$348.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3437900 - 3000801 - Perf Street Sprung Disc BMW - The best option for quicker shifting and engagement. - ACT - BMW

The best option for quicker shifting and engagement.

Brand:
ACT - Corporate Logo
ES#:
3437900
Mfg#:
3000801
In Stock at Vendor
28% off MSRP

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

$224.99

This product was last offered at the strikethrough price on
11-14-2026

$161.00 USD
Free Shipping
on orders $49 and up
ES#4376070 - PMM-R3680A - Polyurethane Motor Mounts - 80A (OEM+ - Black) - Stiffer and stronger than OEM rubber, with a minimal increase in NVH - Great choice as an upgrade over stock mounts (OEM+) - Revshift - BMW

Stiffer and stronger than OEM rubber, with a minimal increase in NVH - Great choice as an upgrade over stock mounts (OEM+)

Brand:
Revshift - Corporate Logo
ES#:
4376070
Mfg#:
PMM-R3680A
Ships in 7 Business Days
$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4675741 -  RET-HBK-ST-24 - Supertech BMW S52 Steel Spring Retainer - Set Of 24 - Rev higher and drive faster with confidence. - Supertech - BMW

Rev higher and drive faster with confidence.

Brand:
Supertech - Corporate Logo
ES#:
4675741
Mfg#:
RET-HBK-ST-24
In Stock at Vendor
20% off MSRP

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

$352.99

This product was last offered at the strikethrough price on
11-14-2026

$281.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4464332 - AGA-CPP-223-328 - AGA Tools Performance Clutch Pin - Grooved - An essential upgrade for every manual transmission equipped BMW! - AGA Tools - BMW

An essential upgrade for every manual transmission equipped BMW!

Brand:
AGA Tools - Corporate Logo
ES#:
4464332
Mfg#:
AGA-CPP-223-328
Ships in 7 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#54836 - 32412282353 - Power Steering Cooler Return Line - Runs from the cooler to the reservoir - Genuine BMW - BMW

Runs from the cooler to the reservoir

Brand:
Genuine BMW - Corporate Logo
ES#:
54836
Mfg#:
32412282353
Ships in 1-2 days
2% off MSRP

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

$280.99

This product was last offered at the strikethrough price on
11-14-2026

$274.99 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.

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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings