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 323i 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 323i M52 2.5L
Your Vehicle BMW E46 323i M52 2.5L
Change Clear

BMW E46 323i M52 2.5L Engine Service & Maintenance Parts

Sort By
Filter By
Return to Top

Top Tec 4110 Engine Oil (5w-40) - 5 Liters

ES#4152102 - 22122 - Top Tec 4110 Engine Oil (5w-40) - 5 Liters - Great for both gasoline and diesel engines! - Liqui-Moly - BMW Porsche

Great for both gasoline and diesel engines! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4152102
Mfg#:
22122
In Stock
35% off MSRP

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

$78.95

This product was last offered at the strikethrough price on
06-11-2026

$50.95 USD
Free Shipping
on orders $49 and up

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

Motor Oil Saver - 300mL

ES#3499411 - 2020 - Motor Oil Saver - 300mL - Rejuvenates dried out, porous, shrunken oil and valve stem seals - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Rejuvenates dried out, porous, shrunken oil and valve stem seals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship

Brand:
Liqui-Moly - Corporate Logo
ES#:
3499411
Mfg#:
2020
In Stock
35% off MSRP

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

$22.95

This product was last offered at the strikethrough price on
05-18-2026

$14.85 USD
Free Shipping
on orders $49 and up

Liqui Moly MolyGen Oil Change Kit / Inspection I

ES#3448029 - m50OCIlmgKT - Liqui Moly MolyGen Oil Change Kit / Inspection I - Includes Hengst filter, drain plug, and Liqui Moly oil with MolyGen technology - Assembled By ECS - BMW

Includes Hengst filter, drain plug, and Liqui Moly oil with MolyGen technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Next generation synthetic oil with up to 15% lower coefficient of friction. Glows green under UV light fo

Brand:
Assembled By ECS - Corporate Logo
ES#:
3448029
Mfg#:
M50OCILMGKT
In Stock
ON SALE! SAVE 19%
$110.99

This product was last offered at the strikethrough price on
05-15-2026

$89.40 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Special Tec LL 5W-30 Motor Oil - 1 Liter

ES#3171133 - 2248 - Special Tec LL 5W-30 Motor Oil - 1 Liter - High-tech low-viscosity motor oil based on synthetic technology - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI

High-tech low-viscosity motor oil based on synthetic technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3171133
Mfg#:
2248
In Stock
39% off MSRP

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

$17.95

This product was last offered at the strikethrough price on
06-11-2026

$10.99 USD
Free Shipping
on orders $49 and up

36mm 6-Point Oil Filter Socket - 3/8" Drive

ES#240945 - OC-03 - 36mm 6-Point Oil Filter Socket - 3/8" Drive - Make oil filter housing removal simple - Schwaben - Audi BMW Volkswagen MINI Porsche
ECS Tuning recommends this product.

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

Brand:
Schwaben - Corporate Logo
ES#:
240945
Mfg#:
OC-03
In Stock
ON SALE! SAVE 25%
$33.99

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

$25.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Socket 12" x 5/8" - Bavarian Autosport

ES#3673914 - B8800072 - Spark Plug Socket 12" x 5/8" - Bavarian Autosport - Magnetic insert holds the spark plug securely in place for easy installation. - Bav Auto Tools - Audi BMW Volkswagen MINI Porsche
ECS Tuning recommends this product.

Magnetic insert holds the spark plug securely in place for easy installation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673914
Mfg#:
B8800072
In Stock
ON SALE! SAVE 25%
$37.99

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

$28.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Oil Drain Plug - Priced Each (12x1.5)

ES#251840 - 002201ECS02A - Magnetic Oil Drain Plug - Priced Each (12x1.5) - Featuring 10 copper washers - ECS - BMW MINI

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

Brand:
ECS - Corporate Logo
ES#:
251840
Mfg#:
002201ECS02A
In Stock
ON SALE! SAVE 25%
$38.99

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

$29.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Platinum+4 Spark Plug - Priced Each (FGR7DQP)

ES#240577 - FGR7DQP - Platinum+4 Spark Plug - Priced Each (FGR7DQP) - FGR 7 DQP or 12120037607 - Bosch - Audi BMW

FGR 7 DQP or 12120037607 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
240577
Mfg#:
FGR7DQP
In Stock
$9.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

6.5 Liter Fluid Extractor with Brake Bleeding Adapter

ES#4759959 - 011885SCH01A02KT - 6.5 Liter Fluid Extractor with Brake Bleeding Adapter - Extract all types of oils and fluids the easy way. Do your oil change without getting under your car! Includes a brake bleeding adapter! - Enthusiast Bundles - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Extract all types of oils and fluids the easy way. Do your oil change without getting under your car! Includes a brake bleeding adapter! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4759959
Mfg#:
011885SCH01A02KT
In Stock
ON SALE! SAVE 29%
$140.99

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

$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

10.5 Liter Manual Extract And Discharge Pump With ATF Filler Adapters

ES#3971260 - 029019SCH01A - 10.5 Liter Manual Extract And Discharge Pump With ATF Filler Adapters - Large 10.5 Liter System will extract oil and fill most systems. Designed to fill transmission oil from under or above the car. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Large 10.5 Liter System will extract oil and fill most systems. Designed to fill transmission oil from under or above the car. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
3971260
Mfg#:
029019SCH01A
In Stock
ON SALE!
$289.99

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

$281.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Storage Catch Can - 10-Liter

ES#1876779 - poc-10 - Oil Storage Catch Can - 10-Liter - Make oil changes easier with this new oil drain pan - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Make oil changes easier with this new oil drain pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
1876779
Mfg#:
POC-10
In Stock
ON SALE! SAVE 25%
$38.99

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

$29.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses

ES#4876697 - 008363LA02EB1KT - M52TU/M54 Heavy-Duty Expansion Tank With Mechanical Thermostat Conversion Kit & Silicone Radiator Hoses - The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. - Enthusiast Bundles - BMW

The ULTIMATE cooling upgrade for your BMW! Experience increased cooling system capability and durability. Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876697
Mfg#:
008363LA02EB1KT
Ships on Jul 21, 2026
Auto Notify
ON SALE! SAVE 24%
$1055.95

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

$799.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VANOS Solenoid Socket

ES#2795097 - 009333SCH01A - VANOS Solenoid Socket - Specially designed 32mm socket built to fit over VANOS solenoid - Schwaben - BMW
ECS Tuning recommends this product.

Specially designed 32mm socket built to fit over VANOS solenoid affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2795097
Mfg#:
009333SCH01A
In Stock
ON SALE! SAVE 25%
$38.99

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

$29.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Wetter Coolant Additive - 12oz

ES#261427 - 80204 - Water Wetter Coolant Additive - 12oz - Reduces coolant temperatures by as much as 30*F - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Reduces coolant temperatures by as much as 30*F affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
261427
Mfg#:
80204
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

Liqui Moly Special Tec Oil Change Kit / Inspection I

ES#3424127 - m50OCIlm2KT - Liqui Moly Special Tec Oil Change Kit / Inspection I - Everything you need for a comprehensive oil service, including Liqui Moly oil and Hengst filter - Assembled By ECS - BMW

Everything you need for a comprehensive oil service, including Liqui Moly oil and Hengst filter 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#:
3424127
Mfg#:
M50OCILM2KT
In Stock
ON SALE!
$92.65 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

More About Engine Service & Maintenance Parts

An ounce of prevention improves engine reliability and heads off big-ticket repairs. On average, the modest cost or periodic maintenance pays handsome rewards. Plan now to put your car on a regular schedule that includes fluid and filter changes, inspections, and recommended service.

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