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

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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#:
4750141
Mfg#:
XKBM23589-2E
Ships in 3 Business Days
$1924.99 USD
Free Shipping
ES#2918697 - 11127514540-2 - M52 M54 Cylinder Head - Complete - Complete cylinder head with guides, seats, valves, & springs - AMC - BMW
ECS Tuning recommends this product.

Complete cylinder head with guides, seats, valves, & springs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AMC - Corporate Logo
ES#:
2918697
Mfg#:
11127514540-2
Special Order: No Guaranteed ETA
$1864.99 USD
ES#3149054 - D403-0350 - Replacement Filter for Cold Air Intake - Priced Each - Replace your dirty, damaged, or lost filter - Dinan - BMW

Replace your dirty, damaged, or lost filter Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
3149054
Mfg#:
D403-0350
In Stock
12% off MSRP

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

$69.95

This product was last offered at the strikethrough price on
02-10-2026

$61.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4845662 - M5X-WPC-MB - WPC-Treated Race Series Main Bearing Set - M20/M50/M52/M54/S54 - The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. - Turner Motorsport - BMW

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845662
Mfg#:
M5X-WPC-MB
In Stock
ON SALE! SAVE 10%
$509.99

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

$458.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 890 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#:
4749987
Mfg#:
XKBM23589-2G
In Stock
$1808.99 USD
Free Shipping
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#5388592 - 501-0116 - Bosch Flow Matched EV14 Injectors - US CAR Connector (EV6) - 1300cc - 6 Pack - Genuine Bosch Motorsports EV14 fuel injectors featuring USCAR (EV6) connector matched and packaged in pack of 6 units - Minimum flow of 1300cc @ 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 1300cc @ 3bar (43.5 PSI industry standard) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
NOT A DIRECT REPLACEMENT FOR FACTORY INJECTORS - For use with aftermarket port injection kits only

Brand:
Bosch - Corporate Logo
ES#:
5388592
Mfg#:
501-0116
Ships in 8 Business Days
$884.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5388591 - 501-0082 - Bosch Flow Matched EV14 Injectors - US CAR Connector (EV6) - 950cc - 6 Pack - Genuine Bosch Motorsports EV14 fuel injectors featuring USCAR (EV6) connector matched and packaged in pack of 6 units - Minimum flow of 950cc @ 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 950cc @ 3bar (43.5 PSI industry standard) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
NOT A DIRECT REPLACEMENT FOR FACTORY INJECTORS - For use with aftermarket port injection kits only

Brand:
Bosch - Corporate Logo
ES#:
5388591
Mfg#:
501-0082
In Stock
$572.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#11537 - 57-1002 - Performance Air Intake System - Great sound and increase power with this K&N intake kit - K&N - BMW

Great sound and increase power with this K&N intake kit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CARB certified for sale in all 50 states

Brand:
K&N - Corporate Logo
ES#:
11537
Mfg#:
57-1002
EO#:
D-269-31
Back Ordered
ON SALE! SAVE 14%
$367.99

This product was last offered at the strikethrough price on
05-15-2026

$317.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

The XClutch Stage 2 Single Disc Clutch offers a lightweight design for improved throttle response combined with an increased torque capacity, making it ideal for racing applications. Rated for 520 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#:
4749607
Mfg#:
XKBM24508-1B
Back Ordered
Auto Notify
$1573.99 USD
Free Shipping
ES#48456 - 26111229565 - Driveshaft - Includes the commonly worn center bearing - Genuine BMW - BMW

Includes the commonly worn center bearing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
48456
Mfg#:
26111229565
Ships in 4 Business Days
3% off MSRP

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

$1626.99

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

$1570.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3438015 - BM6-HDG6 - Heavy Duty Sprung 6-Pad Racing Clutch Kit With XACT Streetlite Flywheel - 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 5-speed transmission only

Brand:
ACT - Corporate Logo
ES#:
3438015
Mfg#:
BM6-HDG6
Ships in 7 Business Days
$1567.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes all neccesary hardware for installation

Brand:
AMC - Corporate Logo
ES#:
2918698
Mfg#:
11127514540-3
Ships on Jun 30, 2026
$1562.99 USD
ES#2857544 - 000282ECS01KT1 -  Performance Flywheel & OEM Clutch Kit - Improve throttle response, acceleration and clutch feel - the perfect setup for daily-driven vehicles with up to 400lbs-ft of torque - ECS - BMW

Improve throttle response, acceleration and clutch feel - the perfect setup for daily-driven vehicles with up to 400lbs-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Eliminate factory dual-mass flywheel and self-adjusting-clutch without the chatter caused by some perform

Brand:
ECS - Corporate Logo
ES#:
2857544
Mfg#:
000282ECS01KT1
Ships in 1 Business Day
ON SALE!
$1602.99

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

$1554.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4147675 - SN0-40014 - 2.5 Gal. Water-Methanol Tank Upgrade - Quick-Connect Fittings - W/Brackets, Solenoid, Hose & All Necessary Fittings - SnowPerformance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

W/Brackets, Solenoid, Hose & All Necessary Fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SnowPerformance - Corporate Logo
ES#:
4147675
Mfg#:
SN0-40014
In Stock at Vendor
$140.99 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.

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

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