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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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Innovate LC-2 Wideband O2 Controller Kit

ES#4809696 - 38770 - Innovate LC-2 Wideband O2 Controller Kit - Includes Lambda cable & 8-foot sensor cable. - Innovate Motorsports - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Includes Lambda cable & 8-foot sensor cable.

Brand:
Innovate Motorsports - Corporate Logo
ES#:
4809696
Mfg#:
38770
In Stock at Vendor
$212.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Short shifter V2 - Black

ES#3477072 - IRPSS-2B - Universal Short shifter V2 - Black - A performance, manual short shifter that gives you the quick and easy shifts you are looking for, without breaking the bank! - IRP - Individual Racing Parts - BMW

A performance, manual short shifter that gives you the quick and easy shifts you are looking for, without breaking the bank!

Brand:
IRP - Individual Racing Parts - Corporate Logo
ES#:
3477072
Mfg#:
IRPSS-2B
Special Order: No Guaranteed ETA
$420.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal Vortex Breather Catch Can

ES#4020131 - 034-101-4000 - Universal Vortex Breather Catch Can - Sold in a black powdercoated finish. - 034Motorsport - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Sold in a black powdercoated finish.

Brand:
034Motorsport - Corporate Logo
ES#:
4020131
Mfg#:
034-101-4000
Ships in 2 Business Days
$153.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Teflon Shifter Bushing Kit

ES#4688630 - 2511-002BKT - 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#:
4688630
Mfg#:
2511-002BKT
In Stock
ON SALE! SAVE 25%
$73.98

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

$55.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Injen Wrinkle Black Short Ram Intake

ES#3603627 - SP1110WB - Injen Wrinkle Black Short Ram Intake - Improved throttle response and power from less restriction and a colder air charge! - Injen - BMW

Improved throttle response and power from less restriction and a colder air charge!

Brand:
Injen - Corporate Logo
ES#:
3603627
Mfg#:
SP1110WB
In Stock at Vendor
$348.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Exact-Fit High Flow Air Filter - Oiled

ES#4460965 - 012054LA08-OIL - ECS Exact-Fit High Flow Air Filter - Oiled - High flow filter replacement to get your engine breathing better than new! - ECS - BMW

High flow filter replacement to get your engine breathing better than new! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4460965
Mfg#:
012054LA08-OIL
In Stock
ON SALE! SAVE 25%
$71.99

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

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Power Pulley Kit

ES#3143166 - ppk-e46tu-valeo - Turner Motorsport Power Pulley Kit - Eliminate parasitic loss and free up to 11hp! An ideal compromise between power, reliability, and system performance. - Turner Motorsport - BMW

Eliminate parasitic loss and free up to 11hp! An ideal compromise between power, reliability, and system performance. 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with Valeo alternator only

Brand:
Turner Motorsport - Corporate Logo
ES#:
3143166
Mfg#:
PPK-E46TU-VALEO
In Stock
ON SALE! SAVE 20%
$382.99

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

$306.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Main Bearing Set - M5X

ES#4758994 - 5150-HPMBS-M50 - Performance Main Bearing Set - M5X - Performance Coated Main Bearing Set for the M5X Engine Platform - Std. Size - 5150 Autosport - BMW

Performance Coated Main Bearing Set for the M5X Engine Platform - Std. Size

Brand:
5150 Autosport - Corporate Logo
ES#:
4758994
Mfg#:
5150-HPMBS-M50
Ships in 3 Business Days
$299.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 16" Electric Fan - Black

ES#4147300 - 30101516 - Universal 16" Electric Fan - Black - 1469 CFM. High performance puller fan with straight blades. - Spal - Audi BMW MINI

1469 CFM. High performance puller fan with straight blades.

Brand:
Spal - Corporate Logo
ES#:
4147300
Mfg#:
30101516
Ships in 2 Business Days
11% off MSRP

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

$168.99

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

$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spal Electric Fan Harness with Relay

ES#4147343 - FRH - Spal Electric Fan Harness with Relay - Electric Fan Relay - 40 amp, 12V, single pole wiring harness kit - Spal - Audi BMW MINI

Electric Fan Relay - 40 amp, 12V, single pole wiring harness kit

Brand:
Spal - Corporate Logo
ES#:
4147343
Mfg#:
FRH
Back Ordered
12% off MSRP

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

$112.99

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

E46 323/328 Luft-Technik Intake System - Red Filter

ES#4875835 - 039102LA01RKT - E46 323/328 Luft-Technik Intake System - Red Filter - Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. - ECS - BMW

Free-flowing intake featuring a roaring induction noise and increased performance to replace your restrictive factory intake. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4875835
Mfg#:
039102LA01RKT
In Stock
ON SALE! SAVE 15%
$333.99

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

$283.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2586709 - 01399791390AFKT - Ignition Service Kit - Restore your ignition system with a fresh set of ignition coils and Bosch Super Plus spark plugs - Assembled By ECS - BMW

Restore your ignition system with a fresh set of ignition coils and Bosch Super Plus spark plugs 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586709
Mfg#:
01399791390AFKT
Ships in 1 Business Day
ON SALE!
$283.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2586698 - 12120037608IGKT - Ignition Service Kit - Refresh your ignition system with fresh coils and performance plugs! - Assembled By ECS - BMW

Refresh your ignition system with fresh coils and performance plugs! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586698
Mfg#:
12120037608IGKT
Ships in 1 Business Day
$281.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AGA Tools Performance Clutch Pin - Grooved

ES#4464332 - AGA-CPP-223-328 - AGA Tools Performance Clutch Pin - Grooved - An essential upgrade for every manual transmission equipped BMW! - AGA Tools - BMW

An essential upgrade for every manual transmission equipped BMW!

Brand:
AGA Tools - Corporate Logo
ES#:
4464332
Mfg#:
AGA-CPP-223-328
In Stock
$45.99 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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