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BMW E46 323Ci M52 2.5L

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BMW E46 323Ci M52 2.5L Most Popular Parts

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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
$499.99

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

$331.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat With Aluminum Housing - M52TU M54

ES#4487719 - 11531437040 - Thermostat With Aluminum Housing - M52TU M54 - Aluminum construction for improved durability over stock design! Includes an integrated thermostat and rubber seal - Bavarian Autosport - BMW
ECS Tuning recommends this product.

Aluminum construction for improved durability over stock design! Includes an integrated thermostat and rubber seal 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4487719
Mfg#:
11531437040
In Stock
ON SALE! SAVE 19%
$104.99

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

$84.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

18" Style 040 Wheels - Staggered Set Of Four

ES#2953904 - 040-13KT1 - 18" Style 040 Wheels - Staggered Set Of Four - 18x8.5 ET35 / 18x9.5 ET38 5x120 72.6CB - Silver/Machined Face - Alzor - BMW

18x8.5 ET35 / 18x9.5 ET38 5x120 72.6CB - Silver/Machined Face 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Alzor - Corporate Logo
ES#:
2953904
Mfg#:
040-13KT1
In Stock
ON SALE! SAVE 25%
$1166.99

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

$875.01 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
In Stock
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

Ignition Coil - Priced Each

ES#3569920 - 12138616153 - Ignition Coil - Priced Each - Give your engine a new spark: Newest Version of Bosch - Bosch - BMW MINI
ECS Tuning recommends this product.

Give your engine a new spark: Newest Version of Bosch We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3569920
Mfg#:
12138616153
In Stock
$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Detection Pump - Priced Each

ES#2574860 - 16137193479 - Leak Detection Pump - Priced Each - Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system. - Bosch - BMW MINI
ECS Tuning recommends this product.

Located under the vehicle, near the transmission bellhousing or in the rear. Used to diagnose leaks in the evap system. We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/2001

Brand:
Bosch - Corporate Logo
ES#:
2574860
Mfg#:
16137193479
In Stock
$90.99

This product was last offered at the strikethrough price on
03-16-2026

$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Special Tec B FE Engine Oil - 5w-30 - 5 Liters

ES#4220228 - 20444 - Special Tec B FE Engine Oil - 5w-30 - 5 Liters - Minimizes friction in the engine and ensures maximum engine performance and low fuel consumption - Liqui-Moly - BMW MINI

Minimizes friction in the engine and ensures maximum engine performance and low fuel consumption 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4220228
Mfg#:
20444
In Stock
33% off MSRP

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

$95.99

This product was last offered at the strikethrough price on
08-26-2026

$64.59 USD
Free Shipping
on orders $49 and up

Motul Gear 300 Manual Transmission / Differential Fluid (75w-90) - 1 Liter

ES#261741 - 317811 - Motul Gear 300 Manual Transmission / Differential Fluid (75w-90) - 1 Liter - Fully synthetic GL-4 / GL-5 gear oil, designed for high performance use - Motul - Audi BMW Volkswagen MINI Porsche

Fully synthetic GL-4 / GL-5 gear oil, designed for high performance use

Brand:
Motul - Corporate Logo
ES#:
261741
Mfg#:
317811
In Stock
10% off MSRP

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

$37.85

This product was last offered at the strikethrough price on
08-26-2026

$34.06 USD
Free Shipping
on orders $49 and up

Synthoil Premium Engine Oil (5w-40) - 5 Liter

ES#258725 - 2041 - Synthoil Premium Engine Oil (5w-40) - 5 Liter - A fully synthetic oil specifically designed around the unique needs and long drain intervals of European engines - Liqui-Moly - Audi BMW Volkswagen

A fully synthetic oil specifically designed around the unique needs and long drain intervals of European engines 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
258725
Mfg#:
2041
In Stock
37% off MSRP

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

$94.99

This product was last offered at the strikethrough price on
08-26-2026

$59.59 USD
Free Shipping
on orders $49 and up

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
In Stock
ON SALE! SAVE 10%
$1121.99

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

$1009.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 High Performance Aluminum Radiator

ES#2992604 - 3055 - E46 High Performance Aluminum Radiator - Lower engine temperatures mean more power and longer life of engine components! - CSF - BMW

Lower engine temperatures mean more power and longer life of engine components! 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with manual transmission only

Brand:
CSF - Corporate Logo
ES#:
2992604
Mfg#:
3055
In Stock
$409.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW TwinPower Turbo LL-01 5W-30 Engine Oil - 5 Liter

ES#4506982 - 83215A78F80 - BMW TwinPower Turbo LL-01 5W-30 Engine Oil - 5 Liter - The same advanced, fully synthetic Longlife-01 SAE 5w-30 Genuine BMW oil that your BMW dealer uses, just in a 5L container! This saves you the hassle of poking open 5 separate containers as you do your oil service. - Genuine BMW - BMW

The same advanced, fully synthetic Longlife-01 SAE 5w-30 Genuine BMW oil that your BMW dealer uses, just in a 5L container! This saves you the hassle of poking open 5 separate containers as you do your oil service.

Brand:
Genuine BMW - Corporate Logo
ES#:
4506982
Mfg#:
83215A78F80
In Stock
$74.99 USD
Free Shipping
on orders $49 and up

Oil Level Sensor

ES#2636006 - 12617508003 - Oil Level Sensor - Turn that oil level light off - Bremmen Parts - BMW
ECS Tuning recommends this product.

Turn that oil level light off 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
2636006
Mfg#:
12617508003
In Stock
ON SALE!
$62.99

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

$58.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Strut Mount - Priced Each

ES#2581252 - 31336752735 - Front Strut Mount - Priced Each - Strut mount with bearing - Lemforder - BMW
ECS Tuning recommends this product.

Strut mount with bearing We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
2581252
Mfg#:
31336752735
In Stock
$42.99

This product was last offered at the strikethrough price on
04-16-2026

$31.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW Emblem / Roundel - With Grommets

ES#2220936 - 51148132375 - BMW Emblem / Roundel - With Grommets - Tired of looking at your faded BMW Badge? Replace it with the Genuine OEM Roundel - Genuine BMW - BMW

Tired of looking at your faded BMW Badge? Replace it with the Genuine OEM Roundel

Brand:
Genuine BMW - Corporate Logo
ES#:
2220936
Mfg#:
51148132375
In Stock
$67.24 USD
Free Shipping
on orders $49 and up
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
Auto Notify
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

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