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BMW E46 323Ci M52 2.5L

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

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Cylinder Head - complete

ES#2918698 - 11127514540-3 - Cylinder Head - complete - Complete cylinder head with guides, seats, valves, springs, and all neccesary hardware for installation - AMC - BMW

Complete cylinder head with guides, seats, valves, springs, and all neccesary hardware for installation Includes all neccesary hardware for installation

Brand:
AMC - Corporate Logo
ES#:
2918698
Mfg#:
11127514540-3
Ships on Aug 12, 2026
$1562.99 USD

Stage 2+ Spec Clutch And Flywheel

Race bolt kit, flange plate, and aluminum flywheel included. For vehicles with a production date from 03/2003

Brand:
Spec Clutches - Corporate Logo
ES#:
4474244
Mfg#:
SB073HSKT
Back Ordered
Auto Notify
$1464.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2588238 - 12131703228IGKT - Ignition Service Kit - Everything you need to service your ignition system - Assembled By ECS - BMW

Everything you need to service your ignition system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2588238
Mfg#:
12131703228IGKT
In Stock
$353.99

This product was last offered at the strikethrough price on
02-27-2026

$285.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Spec Clutch And Flywheel

Race bolt kit, flange plate, and aluminum flywheel included. For vehicles with a production date from 03/2003

Brand:
Spec Clutches - Corporate Logo
ES#:
4474243
Mfg#:
SB072SKT
Back Ordered
Auto Notify
$1424.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Polyurethane Differential Bushing - Rear Position

ES#2748536 - 002447ECS03 - Performance Polyurethane Differential Bushing - Rear Position - ECS engineered to improve power application and provide superior service life over factory rubber bushings - ECS - BMW

ECS engineered to improve power application and provide superior service life over factory rubber bushings 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2748536
Mfg#:
002447ECS03
In Stock
ON SALE! SAVE 25%
$88.99

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

$66.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 Spec Clutch And Flywheel

ES#3870773 - sb801KT - Stage 1 Spec Clutch And Flywheel - Race bolt kit and flange plate included! - Spec Clutches - BMW

Race bolt kit and flange plate included! For vehicles with production from 04/2004

Brand:
Spec Clutches - Corporate Logo
ES#:
3870773
Mfg#:
SB801KT
Ships in 3 Business Days
$1268.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AAF Race Shifter W/Adjustable Shift Shaft - E46 6-Speed

Innovative design and excellent function! For vehicles with 6-speed transmissions

Brand:
Advanced Auto Fabrication - Corporate Logo
ES#:
4507057
Mfg#:
116147-6
Ships in 3 Business Days
$1244.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Powerflex Clutch Fork Pivot Pin - Street

ES#4726462 - PFF5-470 - Powerflex Clutch Fork Pivot Pin - Street - Performance and Reliability with the Powerflex Clutch Fork Pivot Pin - Powerflex - BMW

Performance and Reliability with the Powerflex Clutch Fork Pivot Pin

Brand:
Powerflex - Corporate Logo
ES#:
4726462
Mfg#:
PFF5-470
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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
07-20-2026

$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 12, 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
07-20-2026

$515.99 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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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