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BMW E46 323i M52 2.5L Most Popular Parts

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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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4000579
Mfg#:
029307ECS01
In Stock
ON SALE! SAVE 38%
$1199.99

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

$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#196290 - 82141467704 - BMW Coolant / Antifreeze - 1 Gallon - Blue G48 - 100% strength concentrate - dilute to a 50:50 ratio with distilled water - Genuine BMW - BMW

100% strength concentrate - dilute to a 50:50 ratio with distilled water affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles Produced Up To 2018

Brand:
Genuine BMW - Corporate Logo
ES#:
196290
Mfg#:
82141467704
In Stock
6% off MSRP

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

$28.25

This product was last offered at the strikethrough price on
06-03-2026

$26.48 USD
Free Shipping
on orders $49 and up
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. Adjustable from 215mm-275mm. - ECS - BMW MINI

An essential performance upgrade for lowered suspensions or a durable heavy-duty OE replacement. Adjustable from 215mm-275mm. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4733391
Mfg#:
053153LA01
In Stock
ON SALE! SAVE 20%
$179.99

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

$143.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
Ships in 1-3 days
$204.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
ES#4623940 - 11121432928M - Valve Cover - Aluminum - Finally! A quality aluminum replacement valve cover! Eliminate leaks and add some style to the engine bay - Bremmen Parts - BMW
ECS Tuning recommends this product.

Finally! A quality aluminum replacement valve cover! Eliminate leaks and add some style to the engine bay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with production date up to 09/2002

Brand:
Bremmen Parts - Corporate Logo
ES#:
4623940
Mfg#:
11121432928M
In Stock
ON SALE! SAVE 20%
$338.99

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

$270.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5375000 - 881-IM-22540/255 - 18" Alzor Style 881 Wheel & Tire Package - Ironman (225/40R18 / 255/35R18) - 18x8.5/18x9.5 ET35 5x120 72.6CB - Silver/Machined Lip - With Ironman iMove Gen 3 Tires (UHP All-Season 92W/94W XL 380AA) - Alzor - BMW

18x8.5/18x9.5 ET35 5x120 72.6CB - Silver/Machined Lip - With Ironman iMove Gen 3 Tires (UHP All-Season 92W/94W XL 380AA) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Alzor - Corporate Logo
ES#:
5375000
Mfg#:
881-IM-22540/255
Ships on Jul 17, 2026
ON SALE! SAVE 22%
$1761.99

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

$1370.00 USD
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3677674
Mfg#:
12131703228PKT
In Stock
ON SALE! SAVE 20%
$243.99

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

$195.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4690219
Mfg#:
008363LA02
In Stock
ON SALE! SAVE 15%
$489.99

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

$416.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4493085 - RGDVNSDK - Race German Dual Vanos Rebuild Deluxe Kit - M52TU / M54 - Eliminate VANOS issues or stop them before they happen! - Race German - BMW

Eliminate VANOS issues or stop them before they happen! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race German - Corporate Logo
ES#:
4493085
Mfg#:
RGDVNSDK
In Stock
$182.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3234654 - 32131095575 - Steering Rack - 2.7 turn-to-lock ratio. Fresh build, not remanufactured, no core charge! - Atlantic Automotive Engineering - BMW

2.7 turn-to-lock ratio. Fresh build, not remanufactured, no core charge! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Not For X Drive Models

Brand:
Atlantic Automotive Engineering - Corporate Logo
ES#:
3234654
Mfg#:
32131095575
In Stock
$490.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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
ES#2817518 - 83212365946 - BMW TwinPower Turbo 5W-30 Engine Oil - LL-01 - 1 Liter  - Advanced, fully synthetic genuine BMW oil used by the BMW dealer network. Offers superior protection and performance in both turbocharged and non-turbocharged engines. - Genuine BMW - BMW

Advanced, fully synthetic genuine BMW oil used by the BMW dealer network. Offers superior protection and performance in both turbocharged and non-turbocharged engines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2817518
Mfg#:
83212365946
In Stock
$13.49 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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!
$1048.99

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

$1017.52 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5396194 - 51718232894 - Windshield Cowl Trim - E46 - Located below the windshield; commonly cracked, brittle, and broken. - Bremmen Parts - BMW
ECS Tuning recommends this product.

Located below the windshield; commonly cracked, brittle, and broken. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5396194
Mfg#:
51718232894
Ships on Aug 24, 2026
Auto Notify
ON SALE! SAVE 18%
$179.99

This product was last offered at the strikethrough price on
02-10-2026

$147.59 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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