Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW E46 323Ci M52 2.5L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle BMW E46 323Ci M52 2.5L
Your Vehicle BMW E46 323Ci M52 2.5L
Change Clear

BMW E46 323Ci M52 2.5L Service & Maintenance Parts

Sort By
Filter By
Return to Top

Thermostat Replacement Kit

ES#2592641 - 11537509227KT - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Genuine BMW - BMW

Includes gaskets and hardware and coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2592641
Mfg#:
11537509227KT
Ships on Dec 23, 2026
$219.99

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

$217.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Build-Your-Own E46 323/328 M52 Oil Change Kit

ES#3195859 - M52tuOCIPDK - Build-Your-Own E46 323/328 M52 Oil Change Kit - Select the oil and filter you want from many of the top brands! - Assembled By ECS - BMW

Select the oil and filter you want from many of the top brands! 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#:
3195859
Mfg#:
M52TUOCIPDK
In Stock
ON SALE!
Starting at $93.50 USD
Customize
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Race German Service Reset Tool - OBD1

ES#4507121 - RG0BD1SRT - Race German Service Reset Tool - OBD1 - Reset your oil light with ease! - Race German - BMW

Reset your oil light with ease! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
FOR OBD1 VEHICLES ONLY - FOR OBDII MODELS, SEE ES4507122

Brand:
Race German - Corporate Logo
ES#:
4507121
Mfg#:
RG0BD1SRT
Ships in 2 Business Days
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Filter Kit

ES#258844 - A5S325Z - Transmission Filter Kit - Save your transmission from an early death - Genuine BMW - BMW

Save your transmission from an early death affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with A5S325Z transmission only, from 3/2000 production date

Brand:
Genuine BMW - Corporate Logo
ES#:
258844
Mfg#:
A5S325Z
Ships in 1 day
$100.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Drain Plug

ES#1895506 - 11131273093 - Oil Drain Plug - Includes sealing washer - Genuine BMW - BMW

Includes sealing washer affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
1895506
Mfg#:
11131273093
In Stock
$11.99

This product was last offered at the strikethrough price on
02-16-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW Oil Change Kit / Inspection I

ES#2738417 - M5XOCI - Genuine BMW Oil Change Kit / Inspection I - Upgraded to include an ECS magnetic drain plug and Billet Aluminum Oil Filter Cap - Assembled By ECS - BMW

Upgraded to include an ECS magnetic drain plug and Billet Aluminum Oil Filter Cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Featuring the standard synthetic oil BMW engineers had in mind

Brand:
Assembled By ECS - Corporate Logo
ES#:
2738417
Mfg#:
M5XOCI
In Stock
$193.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

BRAKE PIPE

ES#61417 - 34326755704 - BRAKE PIPE - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
61417
Mfg#:
34326755704
In Stock
ON SALE!
$33.99

This product was last offered at the strikethrough price on
06-25-2026

$32.18 USD
This product is lifetime replacement eligible Lifetime Replacement

Rear Brake Service Kit

ES#514102 - E4634_11 - Rear Brake Service Kit - Featuring Meyle coated rotors and ECS DD23 Daily Driver ceramic pads - Assembled By ECS - BMW

Featuring Meyle coated rotors and ECS DD23 Daily Driver ceramic pads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For convertible models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
514102
Mfg#:
E4634_11
Ships on Nov 10, 2026
Auto Notify
ON SALE! SAVE 18%
$220.99

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

$181.66 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hightec ATF 9000 - 5 Liter

ES#5374147 - 25020-0050-99 - Hightec ATF 9000 - 5 Liter - High-performance ATF with an extremely wide range of applications - ROWE - Audi BMW Volkswagen Porsche

High-performance ATF with an extremely wide range of applications affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ROWE - Corporate Logo
ES#:
5374147
Mfg#:
25020-0050-99
Ships in 7 Business Days
$44.99 USD
Free Shipping
on orders $49 and up

Front Brake Service Kit

ES#2763870 - 34351164371KT4 - Front Brake Service Kit - Featuring Meyle coated rotors and ECS DD23 Daily Driver ceramic pads - Assembled By ECS - BMW

Featuring Meyle coated rotors and ECS DD23 Daily Driver ceramic pads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For coupe models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2763870
Mfg#:
34351164371KT4
Ships on Nov 10, 2026
Auto Notify
ON SALE! SAVE 17%
$217.99

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

$179.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Brake Service Kit

ES#2602967 - 34351164371CPKT - Front Brake Service Kit - Featuring Meyle coated rotors and ECS DD23 ceramic brake pads. - Assembled By ECS - BMW

Featuring Meyle coated rotors and ECS DD23 ceramic brake pads. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For coupe models only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602967
Mfg#:
34351164371CPKT
Ships on Nov 10, 2026
Auto Notify
ON SALE! SAVE 17%
$217.99

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

$179.94 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Drain Plug

ES#5425960 - 23117527440 - Transmission Drain Plug - Factory direct drain plug for many manual transmissions - URO - BMW

Factory direct drain plug for many manual transmissions affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
5425960
Mfg#:
23117527440
Ships in 1 Business Day
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Manual Transmission Service Kit

ES#4305381 - 27111226798KT4 - Manual Transmission Service Kit - Featuring Redline gear oil and ECS magnetic drain plug - Assembled By ECS - BMW

Featuring Redline gear oil and ECS magnetic drain plug affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without a transmission label

Brand:
Assembled By ECS - Corporate Logo
ES#:
4305381
Mfg#:
27111226798KT4
In Stock
ON SALE! SAVE 10%
$98.99

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

$89.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

aFe ProGuard D2 Oil Filter

ES#2532480 - 44-LF022 - aFe ProGuard D2 Oil Filter - Higher efficiency and superior protection - AFE - BMW

Higher efficiency and superior protection affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AFE - Corporate Logo
ES#:
2532480
Mfg#:
44-LF022
In Stock at Vendor
ON SALE!
$16.00

This product was last offered at the strikethrough price on
06-29-2026

$14.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Automatic Transmission Fluid - ATF 1

ES#2720611 - 83222305395 - Automatic Transmission Fluid - ATF 1 - Genuine BMW - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2720611
Mfg#:
83222305395
In Stock
ON SALE! SAVE 18%
$35.99

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

$29.44 USD
Free Shipping
on orders $49 and up

BMW E46 3 Series (1999-2005) Service Manual

ES#11366 - B305 - BMW E46 3 Series (1999-2005) Service Manual - A comprehensive must-have for any do-it-yourselfer! Includes 1424 pages of maintenance, service, and repair information. - Bentley - BMW

A comprehensive must-have for any do-it-yourselfer! Includes 1424 pages of maintenance, service, and repair information. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes 2006 coupe and convertible models

Brand:
Bentley - Corporate Logo
ES#:
11366
Mfg#:
B305
In Stock
$169.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Service & Maintenance Parts

Good maintenance should never be viewed as an expense. It is an investment that maintains the value and dependability of your car, extends its service life, and increases its resale value. Affordable fluids and filters are all here, with many tutorials demonstrating how easy it is to keep your car running strong.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings