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BMW E46 323i M52 2.5L

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BMW E46 323i M52 2.5L Most Popular Parts

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Coolant Expansion Tank

ES#4338777 - 17137787039 - Coolant Expansion Tank - Includes coolant level sensor and lower securing clamp - Bavarian Autosport - BMW

Includes coolant level sensor and lower securing clamp 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4338777
Mfg#:
17137787039
In Stock
ON SALE! SAVE 18%
$61.99

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

$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Trailing Arm Ball Joint - Priced Each

ES#253001 - 33326775551 - Trailing Arm Ball Joint - Priced Each - Located in the upper part of the rear trailing arm - Lemforder - BMW
ECS Tuning recommends this product.

Located in the upper part of the rear trailing arm We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
253001
Mfg#:
33326775551
In Stock
$37.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BavSound Speaker Upgrade - E46 Sedan/Wagon

ES#4266128 - S1.E46.SW.HF - BavSound Speaker Upgrade - E46 Sedan/Wagon - BavSound speakers are meticulously tuned for your BMW, and provide exceptional clarity, detail, and richness. - BavSound - BMW

BavSound speakers are meticulously tuned for your BMW, and provide exceptional clarity, detail, and richness. For Vehicles equipped with Hi-Fi speakers

Brand:
BavSound - Corporate Logo
ES#:
4266128
Mfg#:
S1.E46.SW.HF
Ships in 3 Business Days
$549.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 1

ES#263518 - ECSE461711-1 - ECS Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring aftermarket contents - Assembled By ECS - BMW

Contains the components that commonly fail in your cooling system - featuring aftermarket contents 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
263518
Mfg#:
ECSE461711-1
In Stock
ON SALE!
$337.99

This product was last offered at the strikethrough price on
02-27-2026

$320.95 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

D4 ATF Automatic Transmission Fluid - 1 Quart

ES#251177 - 8352230504 - D4 ATF Automatic Transmission Fluid - 1 Quart - For use in many ZF automatic transmissions - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For use in many ZF automatic transmissions

Brand:
Redline - Corporate Logo
ES#:
251177
Mfg#:
8352230504
In Stock
$18.99

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

$18.79 USD
Free Shipping
on orders $49 and up

18" Style 010 Wheels - Square Set Of Four

ES#2695657 - 010-262KT - 18" Style 010 Wheels - Square Set Of Four - 18"x8" ET28 72.6CB 5x120 - Silver With Machined Lip - Alzor - BMW MINI

18"x8" ET28 72.6CB 5x120 - Silver With Machined Lip 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
2695657
Mfg#:
010-262KT
Ships on Dec 29, 2026
ON SALE! SAVE 35%
$1186.99

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

$771.34 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BMW Emblem / Roundel With Grommets - Front And Rear

ES#2817070 - 51148132375KT2 - BMW Emblem / Roundel With Grommets - Front And Rear - Tired of looking at your faded BMW badges? Replace them with the Genuine OEM Roundel, also includes roundel removal tool - Genuine BMW - BMW

Tired of looking at your faded BMW badges? Replace them with the Genuine OEM Roundel, also includes roundel removal tool For sedan models only

Brand:
Genuine BMW - Corporate Logo
ES#:
2817070
Mfg#:
51148132375KT2
In Stock
$135.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Clutch cylinder refresh kit

ES#3508262 - 21526773670KT - Clutch cylinder refresh kit - Includes master and slave cylinder, hardware and lines including the ECS Exact-Fit Stainless Steel Clutch Line! - Assembled By ECS - BMW

Includes master and slave cylinder, hardware and lines including the ECS Exact-Fit Stainless Steel Clutch Line! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3508262
Mfg#:
21526773670KT
In Stock
ON SALE!
$299.99

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

$279.23 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

M Valve stem caps

ES#3251083 - 36122456427 - M Valve stem caps - A set of black caps featuring the ///M logo - Genuine BMW - BMW

A set of black caps featuring the ///M logo

Brand:
Genuine BMW - Corporate Logo
ES#:
3251083
Mfg#:
36122456427
In Stock
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Sedan Carbon Fiber High Kick Spoiler

ES#4500426 - 046636LA01 - E46 Sedan Carbon Fiber High Kick Spoiler - A beautiful high kick carbon spoiler that pays homage to CSL design while flowing perfectly with E46 Sedan body lines! - Turner Motorsport - BMW

A beautiful high kick carbon spoiler that pays homage to CSL design while flowing perfectly with E46 Sedan body lines! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4500426
Mfg#:
046636LA01
Ships on Dec 11, 2026
Auto Notify
ON SALE!
$431.99

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

$427.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum BMW Jack Pad Adapter

ES#251251 - ECS10721 - Aluminum BMW Jack Pad Adapter - Convert your factory pads into a jack pad that you can use on your home car jack. Made in the USA. - ECS - BMW

Convert your factory pads into a jack pad that you can use on your home car jack. Made in the USA. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
251251
Mfg#:
ECS10721
In Stock
ON SALE! SAVE 25%
$63.99

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

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gloss Black Front Grille - Set

ES#4900356 - BM-0030-GB - Gloss Black Front Grille - Set - A high-quality, OEM-fit upgrade designed to enhance your BMWs front-end with a sleek, aggressive gloss black finish - AUTOTECKNIC - BMW

A high-quality, OEM-fit upgrade designed to enhance your BMW’s front-end with a sleek, aggressive gloss black finish For pre-Facelift Models only!

Brand:
AUTOTECKNIC - Corporate Logo
ES#:
4900356
Mfg#:
BM-0030-GB
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stainless Brake Rotor Set Screw - M8x1.25x14mm - Priced Each

ES#2162802 - 6-ECS-001 - Stainless Brake Rotor Set Screw - M8x1.25x14mm - Priced Each - Made from stainless steel so it will not seize into the hub - ECS - BMW MINI

Made from stainless steel so it will not seize into the hub 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2162802
Mfg#:
6-ECS-001
In Stock
ON SALE! SAVE 25%
$6.99

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

$5.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#240368 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - Bosch - BMW
ECS Tuning recommends this product.

2 required in each application 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
240368
Mfg#:
11781742050
In Stock
$96.10

This product was last offered at the strikethrough price on
05-29-2026

$90.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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