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

Menu

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

No Vehicle selected
Please select your vehicle below.

    • 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
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

BMW E46 Engine Service & Maintenance Parts

Sort By
Filter By
Return to Top

Volkswagen Audi & BMW 1/2 Turn Oil Funnel

ES#4459910 - 7473KT - Volkswagen Audi & BMW 1/2 Turn Oil Funnel - Perfect funnel for a mess free oil change - CTA Tools - Audi BMW Volkswagen Mercedes Benz Porsche

Perfect funnel for a mess free oil change

Brand:
CTA Tools - Corporate Logo
ES#:
4459910
Mfg#:
7473KT
In Stock
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Liqui Moly MolyGen Oil Change Kit / Inspection I

ES#3448031 - M50OCLLMGKT2 - Liqui Moly MolyGen Oil Change Kit / Inspection I - Includes Hengst filter, ECS magnetic drain plug, and Liqui Moly oil with MolyGen technology - Assembled By ECS - BMW

Includes Hengst filter, ECS magnetic drain plug, and Liqui Moly oil with MolyGen technology 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#:
3448031
Mfg#:
M50OCLLMGKT2
In Stock
$142.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Build-Your-Own E46 325/330 M54 Oil Change Kit

ES#3195822 - M50OCIPDK - Build-Your-Own E46 325/330 M54 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! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3195822
Mfg#:
M50OCIPDK
In Stock
ON SALE!
Starting at $102.60 USD
Customize
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Performance Kevlar Reinforced Accessory Belt - Water Pump/Alternator - S54 S65

ES#4661030 - 6PK1460 - Performance Kevlar Reinforced Accessory Belt - Water Pump/Alternator - S54 S65 - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Replaces BMW # 11287837898 - ECS - BMW
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. Replaces BMW # 11287837898 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4661030
Mfg#:
6PK1460
In Stock
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil (5w-50) - 1 Gallon

ES#2847830 - 11605 - Engine Oil (5w-50) - 1 Gallon - Popular for performance engines in high-temperature climates - Redline - BMW Mercedes Benz MINI Porsche

Popular for performance engines in high-temperature climates

Brand:
Redline - Corporate Logo
ES#:
2847830
Mfg#:
11605
Back Ordered
Auto Notify
$69.99 USD
Free Shipping
on orders $49 and up

Rear Manifold Oxygen Sensor - Rear Position/Post-Cat

ES#11026 - 13951 - Rear Manifold Oxygen Sensor - Rear Position/Post-Cat - Also BMW # 11781406622. Located in the rear position of the exhaust manifold for cylinders 4-6 on the S54 engine - Bosch - BMW

Also BMW # 11781406622. Located in the rear position of the exhaust manifold for cylinders 4-6 on the S54 engine 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11026
Mfg#:
13951
In Stock at Vendor
$208.90

This product was last offered at the strikethrough price on
05-19-2026

$172.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

SuperCool Performance Coolant - Concentrate - 1 Gallon

ES#4338528 - 81205 - SuperCool Performance Coolant - Concentrate - 1 Gallon - Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter! - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Redline's state of the art coolant offering premium performance and protection. Fortified with Waterwetter!

Brand:
Redline - Corporate Logo
ES#:
4338528
Mfg#:
81205
In Stock
$68.99 USD
Free Shipping
on orders $49 and up

Viscoplus For Oil - 300mL

ES#3514560 - 20206 - Viscoplus For Oil - 300mL - High performance additive for stabilizing the viscosity of motor oil - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High performance additive for stabilizing the viscosity of motor oil 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514560
Mfg#:
20206
In Stock
47% off MSRP

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

$18.99

This product was last offered at the strikethrough price on
03-15-2026

$10.09 USD
Free Shipping
on orders $49 and up

Cold Climate Oil Separator Kit - Level 2

ES#2550206 - E46M54OSC2KT - Cold Climate Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance 10X Entries For Our 25th Anniversary Sweepstakes!
Superior performance for both warm and cold climates

Brand:
Assembled By ECS - Corporate Logo
ES#:
2550206
Mfg#:
E46M54OSC2KT
In Stock
ON SALE! SAVE 41%
$231.99

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

$137.46 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Borescope Inspection Camera For Phone

ES#4830634 - PH0NEBORESCOPE - Borescope Inspection Camera For Phone - Get a borescope to see the problem yourself without tearing apart your car for the wrong problem. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Get a borescope to see the problem yourself without tearing apart your car for the wrong problem. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
4830634
Mfg#:
PH0NEBORESCOPE
In Stock
ON SALE!
$58.99

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

$57.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own S54 Valve Adjustment Kit

ES#3194497 - S54VADJPDK - Build Your Own S54 Valve Adjustment Kit - Chose how you want to do a valve adjustment on your E46 M3 or S54 Z3/Z4M. - Assembled By ECS - BMW

Chose how you want to do a valve adjustment on your E46 M3 or S54 Z3/Z4M. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3194497
Mfg#:
S54VADJPDK
In Stock
Starting at $84.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Filter

ES#11014 - 13721730946 - Air Filter - Protect your engine, improve performance - Mann - BMW

Protect your engine, improve performance

Brand:
Mann - Corporate Logo
ES#:
11014
Mfg#:
13721730946
In Stock
$21.11

This product was last offered at the strikethrough price on
03-23-2026

$21.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 1

ES#2063865 - ECSE461711-1 - ECS Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring aftermarket contents and ECS aluminum pulley - Assembled By ECS - BMW

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

Brand:
Assembled By ECS - Corporate Logo
ES#:
2063865
Mfg#:
ECSE461711-1
In Stock
ON SALE!
$438.99

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

$399.52 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Euro-Series Motor Oil (5w-30) - 1 quart

ES#2847840 - 12304 - Euro-Series Motor Oil (5w-30) - 1 quart - Superior engine protection for today's gasoline and diesel engines - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Superior engine protection for today's gasoline and diesel engines

Brand:
Redline - Corporate Logo
ES#:
2847840
Mfg#:
12304
In Stock
$18.20 USD
Free Shipping
on orders $49 and up

Redline 10w-60 Engine Oil - 1 Quart

ES#2602531 - 11704 - Redline 10w-60 Engine Oil - 1 Quart - Fully ester based synthetic oil, recommended for "M" series engines - Redline - BMW

Fully ester based synthetic oil, recommended for "M" series engines

Brand:
Redline - Corporate Logo
ES#:
2602531
Mfg#:
11704
In Stock
$18.20 USD
Free Shipping
on orders $49 and up

Oxygen Sensor - Priced Each

ES#252546 - 11781433940 - 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#:
252546
Mfg#:
11781433940
In Stock
$147.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime 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.

Let us help you find the parts that fit your BMW

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