Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW E46 323i M52 2.5L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E46 323i M52 2.5L
Your Vehicle BMW E46 323i M52 2.5L
Change Clear

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

Sort By
Filter By
Return to Top

Performance Rod Bearing Set - Standard Set

ES#4364526 - CR6640XP - Performance Rod Bearing Set - Standard Set - Upgrade your Rod Bearings to a performance oriented option! - King - BMW

Upgrade your Rod Bearings to a performance oriented option!

Brand:
King - Corporate Logo
ES#:
4364526
Mfg#:
CR6640XP
In Stock at Vendor
$163.99

This product was last offered at the strikethrough price on
05-21-2026

$148.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro Dry S Air Filter

ES#518824 - 31-10015 - Pro Dry S Air Filter - Higher flow, higher performance - oil-free, washable and reuseable! - AFE - BMW

Higher flow, higher performance - oil-free, washable and reuseable!

Brand:
AFE - Corporate Logo
ES#:
518824
Mfg#:
31-10015
In Stock
20% off MSRP

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

$121.99

This product was last offered at the strikethrough price on
07-21-2026

$97.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Teflon Shifter Bushing Kit

ES#259532 - 2511-001 - Teflon Shifter Bushing Kit - Remove the slop from the shifter arm for improved shifter feel - even on brand-new cars! - ECS - BMW

Remove the slop from the shifter arm for improved shifter feel - even on brand-new cars! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
259532
Mfg#:
2511-001
In Stock
ON SALE! SAVE 25%
$80.99

This product was last offered at the strikethrough price on
06-13-2026

$60.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

K&N Air Filter Cleaning Kit - Aerosol

ES#3491802 - 99-5000KT - K&N Air Filter Cleaning Kit - Aerosol - Preserve & maintain your air filter for a lifetime like it was designed to use - K&N - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Preserve & maintain your air filter for a lifetime like it was designed to use This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
K&N - Corporate Logo
ES#:
3491802
Mfg#:
99-5000KT
In Stock
$24.00

This product was last offered at the strikethrough price on
05-27-2026

$23.99 USD
Free Shipping
on orders $49 and up

Turner Motorsport Aluminum Solid Transmission Mounts

ES#3438526 - 017730TMS03 - Turner Motorsport Aluminum Solid Transmission Mounts - Designed for track use to eliminate deflection and drive line slop - Turner Motorsport - BMW

Designed for track use to eliminate deflection and drive line slop 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3438526
Mfg#:
017730TMS03
In Stock
ON SALE! SAVE 27%
$113.99

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

$82.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2588232 - 12120037607IGKT - Ignition Service Kit - Everything you need to service your ignition system - Genuine BMW - BMW

Everything you need to service your ignition system

Brand:
Genuine BMW - Corporate Logo
ES#:
2588232
Mfg#:
12120037607IGKT
Ships on Jan 13, 2027
$1050.99

This product was last offered at the strikethrough price on
05-21-2026

$1042.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bosch Flow Matched EV14 Injectors - US CAR Connector (EV6) - 1600cc - 6 Pack

ES#4920967 - 501-0114 - Bosch Flow Matched EV14 Injectors - US CAR Connector (EV6) - 1600cc - 6 Pack - Genuine Bosch Motorsports EV14 fuel injectors featuring USCAR (EV6) connector matched and packaged in pack of 6 units - Minimum flow of 1600cc @ 3bar (43.5 PSI industry standard) - Bosch - BMW

Genuine Bosch Motorsports EV14 fuel injectors featuring USCAR (EV6) connector matched and packaged in pack of 6 units - Minimum flow of 1600cc @ 3bar (43.5 PSI industry standard) 2X Entries For Our 25th Anniversary Sweepstakes!
NOT A DIRECT REPLACEMENT FOR FACTORY INJECTORS - For use with aftermarket port injection kits only

Brand:
Bosch - Corporate Logo
ES#:
4920967
Mfg#:
501-0114
Ships in 9 Business Days
$1040.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Clutch Kit - FX100

ES#3621973 - 03005-HD00-R - Stage 1 Clutch Kit - FX100 - Upgraded clutch plate with organic disc For OE Dual Mass Flywheel - Clutch Masters - BMW

Upgraded clutch plate with organic disc For OE Dual Mass Flywheel For Vehicles with S5D250G-TAJS Transmission (5-Speed with 10-Spline Input Shaft)

Brand:
Clutch Masters - Corporate Logo
ES#:
3621973
Mfg#:
03005-HD00-R
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.

$606.99

This product was last offered at the strikethrough price on
07-21-2026

$515.99 USD
Free Shipping
on orders $49 and up

Universal 12" Electric Fan - Black

ES#4147274 - 30100375 - Universal 12" Electric Fan - Black - 861 CFM. High performance puller fan with straight blades. - Spal - Audi BMW MINI

861 CFM. High performance puller fan with straight blades.

Brand:
Spal - Corporate Logo
ES#:
4147274
Mfg#:
30100375
In Stock at Vendor
13% off MSRP

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

$114.99

This product was last offered at the strikethrough price on
07-21-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Daily Clutch Kit

Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 400ft/lbs.

Brand:
South Bend Clutch - Corporate Logo
ES#:
3493331
Mfg#:
K70280SSOKT
Ships in 1 Business Day
$976.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Bushing - Street

ES#4617285 - PFF5-4655 - Transmission Mount Bushing - Street - Polyurethane mounts secure your transmission for crisp, mis-shift-free gear changes. - Powerflex - BMW

Polyurethane mounts secure your transmission for crisp, mis-shift-free gear changes.

Brand:
Powerflex - Corporate Logo
ES#:
4617285
Mfg#:
PFF5-4655
Ships on Aug 28, 2026
Auto Notify
$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ExactShift Billet Short Shifter - Black Anodized

ES#4620707 - TR05-Black - ExactShift Billet Short Shifter - Black Anodized - The TR05 shifter delivers a crisp, direct, and tight shift throw that compliments any driving style! - Rennline - BMW

The TR05 shifter delivers a crisp, direct, and tight shift throw that compliments any driving style! For vehicles with a Manual Tranmssion Only. Will not work with Auto or DCT transmissions.

Brand:
Rennline - Corporate Logo
ES#:
4620707
Mfg#:
TR05-BLACK
Ships in 5 Business Days
$950.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ExactShift Billet Short Shifter - Silver Anodized

ES#4620708 - TR05-Silver - ExactShift Billet Short Shifter - Silver Anodized - The TR05 shifter delivers a crisp, direct, and tight shift throw that compliments any driving style! - Rennline - BMW

The TR05 shifter delivers a crisp, direct, and tight shift throw that compliments any driving style! For vehicles with a Manual Tranmssion Only. Will not work with Auto or DCT transmissions.

Brand:
Rennline - Corporate Logo
ES#:
4620708
Mfg#:
TR05-SILVER
Ships in 5 Business Days
$950.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spec Stage 2+ Clutch Kit

Race bolt kit and flange plate included! For vehicles with a production date from 03/2003

Brand:
Spec Clutches - Corporate Logo
ES#:
4474242
Mfg#:
SB073HS
Ships in 3 Business Days
$869.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Sprung 4-Pad Racing Clutch Kit

ES#4505471 - BM17-HDG4 - Heavy Duty Sprung 4-Pad Racing Clutch Kit - Perfect for high performance street and road racing demands. Conservatively rated up to 505 ft/lbs torque capacity. - ACT - BMW

Perfect for high performance street and road racing demands. Conservatively rated up to 505 ft/lbs torque capacity. For vehicles with 5-speed transmission only

Brand:
ACT - Corporate Logo
ES#:
4505471
Mfg#:
BM17-HDG4
Ships in 6 Business Days
ON SALE! SAVE 10%
$865.00

This product was last offered at the strikethrough price on
07-21-2026

$778.50 USD
This product is lifetime replacement eligible Lifetime Replacement

AP3 OBD2 UNIVERSAL CABLE

ES#4415272 - AP3-OBDII-CABLE- - AP3 OBD2 UNIVERSAL CABLE - Tidy up your cabin with the COBB OBDII Universal Cable! - CobbTuning - Audi BMW Volkswagen Porsche

Tidy up your cabin with the COBB OBDII Universal Cable!

Brand:
CobbTuning - Corporate Logo
ES#:
4415272
Mfg#:
AP3-OBDII-CABLE-
In Stock
$85.00 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 ECS Tuning is part of Enthusiast Auto Holdings