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BMW E46 323i M52 2.5L

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

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In-Line Micro Regulator - 6 Bar

ES#4690254 - 601-0261 - In-Line Micro Regulator - 6 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!

Brand:
Precision Raceworks - Corporate Logo
ES#:
4690254
Mfg#:
601-0261
Ships in 9 Business Days
$64.99 USD
Free Shipping
on orders $49 and up

Spal 185 Degree Thermo-Switch

Replacement thermo-switch for Spal electric fan conversion kits.

Brand:
Spal - Corporate Logo
ES#:
4753440
Mfg#:
SPL185TS
Back Ordered
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount Heat Sleeve

ES#3659876 - E36HS - Engine Mount Heat Sleeve - Protect your Condor Speed Shop engine mount from extreme heat! - Condor Speed Shop - BMW

Protect your Condor Speed Shop engine mount from extreme heat!

Brand:
Condor Speed Shop - Corporate Logo
ES#:
3659876
Mfg#:
E36HS
Ships in 6 Business Days
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

16" Fan shroud gasket

ES#4147340 - 30130074 - 16" Fan shroud gasket - Provides .25" stand off from radiator - Spal - Audi BMW MINI

Provides .25" stand off from radiator

Brand:
Spal - Corporate Logo
ES#:
4147340
Mfg#:
30130074
In Stock at Vendor
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Motor Mount Reinforcement Kit

Prevent subframe cracks with this simple weld-in reinforcement kit.

Brand:
Revshift - Corporate Logo
ES#:
4772529
Mfg#:
EMRK-E46
Ships in 7 Business Days
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Ultimate Power Pulley And Drive Belt Overhaul System

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! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with Bosch alternator only

Brand:
Assembled By ECS - Corporate Logo
ES#:
3521793
Mfg#:
UPPKE46TUBKT
In Stock
ON SALE! SAVE 15%
$634.19

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

$539.67 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Scratch and Dent Item

BMW 323 2005 - 2010 For Use With Billet Single Mass Flywheel Stage 2+ Cluch Kit With Enhanced Hybrid Option For Stage 2+ Kits - (NO LONGER AVAILABLE) *Scratch And Dent*

ES#5396569 - SB073HS-2-FH - BMW 323 2005 - 2010 For Use With Billet Single Mass Flywheel Stage 2+ Cluch Kit With Enhanced Hybrid Option For Stage 2+ Kits - (NO LONGER AVAILABLE) *Scratch And Dent* - ***Please see photos and description prior to ordering, all sales final.*** - Scratch & Dent - BMW

***Please see photos and description prior to ordering, all sales final.*** ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!

Brand:
Scratch & Dent - Corporate Logo
ES#:
5396569
Mfg#:
SB073HS-2-FH
In Stock
ON SALE! SAVE 34%
$1464.00

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

$972.80 USD
Free Shipping
on orders $49 and up

8 In. Twin Solid Ceramic Disc Clutch And Flywheel Kit

ES#4749614 - XKBM20530-2E - 8 In. Twin Solid Ceramic Disc Clutch And Flywheel Kit - The XClutch 8" 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! - XClutch - BMW

The XClutch 8" 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! 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#:
4749614
Mfg#:
XKBM20530-2E
In Stock
$1787.99 USD
Free Shipping

Heavy Duty 4-Pad Rigid Racing Clutch Kit

ES#4619971 - BM17-HDR4 - Heavy Duty 4-Pad Rigid Racing Clutch Kit - Perfect for aggressive racing demands. Conservatively rated up to 596 ft/lbs torque capacity. - ACT - BMW

Perfect for aggressive racing demands. Conservatively rated up to 596 ft/lbs torque capacity. Must be used with ACT 601011 or 601016 flywheel (not included in this kit).
For vehicles with 5-speed transmission only

Brand:
ACT - Corporate Logo
ES#:
4619971
Mfg#:
BM17-HDR4
Ships in 6 Business Days
$801.00 USD
This product is lifetime replacement eligible Lifetime Replacement

AEM Short Ram Intake System

ES#4138968 - AEM-22-670R - AEM Short Ram Intake System - This features a shorter tube than a cold-air system for increased performance in an easy to install kit - AEM - BMW

This features a shorter tube than a cold-air system for increased performance in an easy to install kit CARB certified for sale in all 50 states
For 1999-2000 model years without HID headlights

Brand:
AEM - Corporate Logo
ES#:
4138968
Mfg#:
AEM-22-670R
EO#:
D-670
Ships in 4 Business Days
$429.99 USD
Free Shipping
on orders $49 and up

Essentials Bundle

ES#5435255 - MMB-E46-002 - Essentials Bundle - The Mishimoto Essentials Bundle is a comprehensive cooling solution designed to address the notorious "weak points" of the BMW E46 cooling system. - Mishimoto - BMW

The Mishimoto Essentials Bundle is a comprehensive cooling solution designed to address the notorious "weak points" of the BMW E46 cooling system. For vehicles with manual transmission

Brand:
Mishimoto - Corporate Logo
ES#:
5435255
Mfg#:
MMB-E46-002
Ships in 3 Business Days
$1127.99 USD

7.25 In. Twin Solid Ceramic Disc Ckutch And Flywheel Kit

ES#4749609 - XKBM18530-2E - 7.25 In. Twin Solid Ceramic Disc Ckutch And Flywheel Kit - The XClutch 7.25" 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 900 ft-lbs! - XClutch - BMW

The XClutch 7.25" 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 900 ft-lbs! 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#:
4749609
Mfg#:
XKBM18530-2E
Ships in 2 Business Days
$1862.99 USD
Free Shipping

9 In. Twin Solid Ceramic Clutch And Flywheel Kit

ES#4750147 - XKBM23589-2P - 9 In. Twin Solid Ceramic Clutch And Flywheel Kit - 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! - XClutch - BMW

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! 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#:
4750147
Mfg#:
XKBM23589-2P
Ships in 2 Business Days
$3112.99 USD
Free Shipping

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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