Call Us330-331-2003 ChatLive Chat Text Us!
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E46 323Ci M52 2.5L

BMW E46 323Ci M52 2.5L Performance Engine & Drivetrain Parts

Sort By
Filter By
Return to Top

Offers a seamless transition from the turbine housing to your custom plumbing, minimizing turbulence and maximizing efficiency for high-horsepower builds. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
5446634
Mfg#:
GARROUTT4G4045
Ships in 10 Business Days
$37.99 USD
Free Shipping
ES#4690245 - 601-0260 - In-Line Micro Regulator - 5 Bar - The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! - Precision Raceworks - Audi BMW Volkswagen

The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4690245
Mfg#:
601-0260
Ships in 4 Business Days
$68.99

This product was last offered at the strikethrough price on
01-22-2026

$64.99 USD
Free Shipping
on orders $49 and up
ES#3521793 - uppke46tuBKT - Turner Motorsport Ultimate Power Pulley And Drive Belt Overhaul System  - Includes Accessory Belt System! - Assembled By ECS - BMW

Includes Accessory Belt System! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with Bosch alternator only

Brand:
Assembled By ECS - Corporate Logo
ES#:
3521793
Mfg#:
UPPKE46TUBKT
Ships in 4 Business Days
ON SALE! SAVE 10%
$634.19

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

$571.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3241220 - 881864999522KT - Sachs Performance Clutch Kit - Metallic Clutch Disc - Designed for dedicated track vehicles. - SACHS Performance - BMW

Designed for dedicated track vehicles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SACHS Performance - Corporate Logo
ES#:
3241220
Mfg#:
881864999522KT
Ships in 5 Business Days
$1151.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3241219 - 881864999521KT - Sachs Performance Clutch Kit - Organic Clutch Disc - For moderately modified vehicles or performance oriented driving styles. - SACHS Performance - BMW

For moderately modified vehicles or performance oriented driving styles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SACHS Performance - Corporate Logo
ES#:
3241219
Mfg#:
881864999521KT
Ships in 5 Business Days
$1117.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

This comprehensive drop-in solution replaces your restrictive factory assembly with a high-flow powerhouse. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DeatschWerks - Corporate Logo
ES#:
5456578
Mfg#:
9-421-629-7070
Ships in 6 Business Days
$1699.00 USD
Free Shipping
on orders $49 and up

Unlock the true horsepower potential of your E36 or E46 chassis with the DeatschWerks X2 Series Fuel Pump Module. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DeatschWerks - Corporate Logo
ES#:
5456574
Mfg#:
9-000-7070
Ships in 6 Business Days
$679.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

This fuel rail eliminates delivery restrictions and guarantees consistent, high-volume fuel pressure across all cylinders. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DeatschWerks - Corporate Logo
ES#:
5456572
Mfg#:
7-900
Ships in 6 Business Days
$219.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Designed to eliminate the limitations of the restrictive factory fuel setup, this premium dual-pump system comes pre-loaded with two high-flowing DW420 fuel pumps. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DeatschWerks - Corporate Logo
ES#:
5456579
Mfg#:
9-421-7070
Ships in 6 Business Days
$899.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engineered for high-performance automotive builds requiring maximum precision and increased fueling capabilities. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DeatschWerks - Corporate Logo
ES#:
5456555
Mfg#:
17MX-00-0850-6
Ships in 6 Business Days
$619.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

A premium set of six 1100cc fuel injectors designed to provide exceptional flow rate consistency and precision for high-performance vehicles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DeatschWerks - Corporate Logo
ES#:
5456558
Mfg#:
17MX-00-1100-6
Ships in 6 Business Days
$619.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3621982 - 03005-HDKV-D - Stage 2 Clutch Kit - FX200 - Upgraded clutch plate and kevlar disc : Dampened Disc version for Aftermarket Single Mass Flywheel - Clutch Masters - BMW

Upgraded clutch plate and kevlar disc : Dampened Disc version for Aftermarket Single Mass Flywheel affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft

Brand:
Clutch Masters - Corporate Logo
ES#:
3621982
Mfg#:
03005-HDKV-D
Ships in 7 Business Days
15% off MSRP

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

$850.00

This product was last offered at the strikethrough price on
06-04-2026

$722.99 USD
Free Shipping
on orders $49 and up
ES#4883148 - 601-0259 - In-Line Micro Regulator - 4 Bar - The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! - Precision Raceworks - Audi BMW Volkswagen

The worlds smallest universal regulator! Comes pre-set within precision tolerance to eliminate guesswork setting target pressure! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883148
Mfg#:
601-0259
Ships in 9 Business Days
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2918696 - 11127514540-1 - M54 Cylinder Head - Bare - Bare head, guides and seats only - AMC - BMW

Bare head, guides and seats only affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AMC - Corporate Logo
ES#:
2918696
Mfg#:
11127514540-1
Ships on Jun 29, 2026
$1869.02 USD

Quick connect union T-fitting for 1/4" Nylon affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
2826282
Mfg#:
82040
Special Order: No Guaranteed ETA
$23.99 USD
Free Shipping
on orders $49 and up
ES#3173689 - oiltempgaugeKT - Oil Temperature Sensor And Gauge Kit - Green/White - The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! - Assembled By ECS - BMW

The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! 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#:
3173689
Mfg#:
OILTEMPGAUGEKT
Ships on Oct 14, 2026
ON SALE!
$196.99

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

$190.35 USD
Free Shipping
This product is lifetime replacement eligible Partial 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 ECS Tuning is part of Enthusiast Auto Holdings