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BMW E46 323i M52 2.5L

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BMW E46 323i M52 2.5L Performance Parts & Upgrades

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ECS Performance Adjustable Coilover System - E46 Non-M

ES#4000579 - 029307ECS01 - ECS Performance Adjustable Coilover System - E46 Non-M - Improve the Comfort, Performance, and Style of your E46! - ECS - BMW
ECS Tuning recommends this product.

Improve the Comfort, Performance, and Style of your E46! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4000579
Mfg#:
029307ECS01
In Stock
ON SALE! SAVE 36%
$1223.99

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

$779.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Performance Water Pump - With O-Ring

ES#2581452 - 888010330 - High Performance Water Pump - With O-Ring - Stainless steel impeller and 20% increase in flow! - Stewart Components - BMW

Stainless steel impeller and 20% increase in flow! When it comes to cooling, Stewart is the final word in high performance pumps. The ultimate in BMW cooling with a limited lifetime warranty!

Brand:
Stewart Components - Corporate Logo
ES#:
2581452
Mfg#:
888010330
In Stock
$219.99

This product was last offered at the strikethrough price on
06-15-2026

$204.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Front Sway Bar End Links - 215-275mm

ES#4733391 - 053153LA01 - Adjustable Front Sway Bar End Links - 215-275mm - An essential performance upgrade for lowered suspensions or a durable heavy-duty OE replacement. - ECS - BMW MINI

An essential performance upgrade for lowered suspensions or a durable heavy-duty OE replacement. 10X Entries Into Our F80 M3 Sweepstakes
10X Entries For Our Spin To Win Sweepstakes!
Please measure before purchasing. For lowered or custom applications. Will not fit factory suspension. 215-275 length adjustment range.

Brand:
ECS - Corporate Logo
ES#:
4733391
Mfg#:
053153LA01
In Stock
ON SALE! SAVE 20%
$183.99

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

$147.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BR Series Coilover Suspension Kit

ES#3509398 - I-02-BR - BR Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! - BC Racing - BMW

Featuring 30 levels of adjustment and performance spring rates and valving that makes the BR Series perfect for both daily drivers and track warriors! For coupe and sedan models only

Brand:
BC Racing - Corporate Logo
ES#:
3509398
Mfg#:
I-02-BR
In Stock
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#3677674 - 12131703228pKT - Performance Ignition Service Kit - Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and BAV Auto ignition coils - Assembled By ECS - BMW
ECS Tuning recommends this product.

Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and BAV Auto ignition coils 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3677674
Mfg#:
12131703228PKT
In Stock
ON SALE!
$195.99

This product was last offered at the strikethrough price on
10-21-2026

$178.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Flywheel & Sachs Clutch Kit

ES#2770848 - 000282ECS01KT - Performance Flywheel & Sachs 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 10X Entries Into Our F80 M3 Sweepstakes
Eliminate factory dual-mass flywheel and self-adjusting-clutch without the chatter caused by some perform

Brand:
ECS - Corporate Logo
ES#:
2770848
Mfg#:
000282ECS01KT
Ships on Dec 10, 2026
ON SALE!
$1069.99

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

$1016.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M52TU/M54 Heavy Duty Aluminum Expansion Tank Kit

ES#4690219 - 008363LA02 - M52TU/M54 Heavy Duty Aluminum Expansion Tank Kit - As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! - Turner Motorsport - BMW
ECS Tuning recommends this product.

As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4690219
Mfg#:
008363LA02
In Stock
ON SALE! SAVE 47%
$499.99

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

$264.82 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Performance Adjustable Rear Control Arm Set

ES#2682175 - 002608ECS01 - ECS Tuning Performance Adjustable Rear Control Arm Set - Properly dial in rear camber. A must for all enthusiasts that care about handling and tire wear. - ECS - BMW

Properly dial in rear camber. A must for all enthusiasts that care about handling and tire wear. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2682175
Mfg#:
002608ECS01
In Stock
ON SALE! SAVE 25%
$458.99

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

$344.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wheel Spacer & Bolt Kit - 10mm

ES#205204 - ECS#253KTWB - Wheel Spacer & Bolt Kit - 10mm - Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW - ECS - BMW

Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
205204
Mfg#:
ECS#253KTWB
In Stock
ON SALE! SAVE 25%
$178.99

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

$134.24 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Performance Clutch and Flywheel Kit

ES#4818391 - 048498LA01KT1 - ECS Performance Clutch and Flywheel Kit - Lightweight flywheel and upgraded clutch kit for improved throttle response, acceleration and clutch feel - the perfect setup for daily-driven vehicles with up to 400 Ft/lbs of torque. - ECS - BMW

Lightweight flywheel and upgraded clutch kit for improved throttle response, acceleration and clutch feel - the perfect setup for daily-driven vehicles with up to 400 Ft/lbs of torque. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4818391
Mfg#:
048498LA01KT1
Ships on Dec 10, 2026
ON SALE!
$1121.99

This product was last offered at the strikethrough price on
10-28-2026

$1065.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B14 PSS Coilover System

ES#10798 - 47-249134 - B14 PSS Coilover System - Height adjustable suspension system with performance valving and application specific, progressive rate coil springs. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - BMW

Height adjustable suspension system with performance valving and application specific, progressive rate coil springs. World-famous Bilstein quality with a limited lifetime warranty! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bilstein - Corporate Logo
ES#:
10798
Mfg#:
47-249134
In Stock
31% off MSRP

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

$1877.00

This product was last offered at the strikethrough price on
11-02-2026

$1299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Adjustable Camber Arm Set - Street

ES#3028370 - TSU9940B77 - Rear Adjustable Camber Arm Set - Street - With rubber bushing for comfort on the street with adjustability for street and track performance. Made in the USA! - Turner Motorsport - BMW
ECS Tuning recommends this product.

With rubber bushing for comfort on the street with adjustability for street and track performance. Made in the USA! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
3028370
Mfg#:
TSU9940B77
Special Order: No Guaranteed ETA
ON SALE!
$509.99

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

$484.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Short-Shifter Kit

ES#3149098 - D550-1004 - Billet Short-Shifter Kit - Reduce shift throw without increased noise - civilized performance for the discerning enthusiast - Dinan - BMW

Reduce shift throw without increased noise - civilized performance for the discerning enthusiast Call In Or Chat For Best Price! 10X Entries Into Our F80 M3 Sweepstakes
Not compatible with the 6-speed manual that was introduced for the 2004-06 model years on the 330i/ci (this includes all ZHP cars) nor the 2001-05 325xi/330xi.

Brand:
Dinan - Corporate Logo
ES#:
3149098
Mfg#:
D550-1004
In Stock
11% off MSRP

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

$286.99

This product was last offered at the strikethrough price on
11-02-2026

$254.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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