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

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
affirm financing terms & conditions
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

Special Tec LL 5W-30 Motor Oil - Case Of 12

ES#4027377 - 2248/12KT - Special Tec LL 5W-30 Motor Oil - Case Of 12 - Liqui-Moly - BMW

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#:
4027377
Mfg#:
2248/12KT
In Stock
$139.99 USD
Free Shipping
on orders $49 and up

Universal Clean Oil Funnel Kit

ES#4745354 - AGA-COFK - Universal Clean Oil Funnel Kit - A universal clean oil funnel kit that will prevent leaks and spills while servicing your oil. - AGA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A universal clean oil funnel kit that will prevent leaks and spills while servicing your oil. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AGA Tools - Corporate Logo
ES#:
4745354
Mfg#:
AGA-COFK
In Stock
$99.99 USD
Free Shipping
on orders $49 and up

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

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

Pento High Performance II Engine Oil (5w-40) - 1 Liter

ES#608 - PEN 5W40 SYNTH - Pento High Performance II Engine Oil (5w-40) - 1 Liter - The latest version of one of the world's best all around synthetic engine oils - Pentosin - Audi BMW Volkswagen Mercedes Benz Porsche

The latest version of one of the world's best all around synthetic engine oils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pentosin - Corporate Logo
ES#:
608
Mfg#:
PEN 5W40 SYNTH
In Stock
$14.99

This product was last offered at the strikethrough price on
02-26-2026

$13.99 USD
Free Shipping
on orders $49 and up

Replacement Air Filter Element

ES#3981266 - EVE-661-G2-FTR - Replacement Air Filter Element - Air filter replacement for Eventuri Intake Systems - Eventuri - BMW

Air filter replacement for Eventuri Intake Systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Eventuri - Corporate Logo
ES#:
3981266
Mfg#:
EVE-661-G2-FTR
Ships in 2 Business Days
$95.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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 48%
$261.99

This product was last offered at the strikethrough price on
02-03-2026

$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. 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#:
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

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

$186.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Kit

ES#2597204 - 11311432176KT5 - Timing Chain Kit - Everything you need to get the job done, including coolant, oil and filter - Assembled By ECS - BMW

Everything you need to get the job done, including coolant, oil and filter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597204
Mfg#:
11311432176KT5
Ships on Aug 14, 2026
Auto Notify
ON SALE!
$431.99

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

$410.44 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! 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#:
3195822
Mfg#:
M50OCIPDK
In Stock
ON SALE!
Starting at $93.36 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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

Ignition Service Kit

ES#2597316 - 12131712219KT1 - Ignition Service Kit - Everything you need to service your ignition system including Bosch ignition coils and Bosch Platinum+4 spark plugs - Assembled By ECS - BMW

Everything you need to service your ignition system including Bosch ignition coils and Bosch Platinum+4 spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597316
Mfg#:
12131712219KT1
In Stock
$253.99 USD
Free Shipping
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 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#:
2063865
Mfg#:
ECSE461711-1
In Stock
ON SALE!
$438.99

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

$403.16 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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 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#:
3514560
Mfg#:
20206
In Stock
44% 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
03-15-2026

$9.99 USD
Free Shipping
on orders $49 and up

Rear Manifold Oxygen Sensor - Front Position/Pre-Cat

ES#11024 - 13952 - Rear Manifold Oxygen Sensor - Front Position/Pre-Cat - Also BMW # 11781405324. Located in the front position of the exhaust manifold for cylinders 4-6 on the S54 engine - Bosch - BMW

Also BMW # 11781405324. Located in the front position of the exhaust manifold for cylinders 4-6 on the S54 engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
11024
Mfg#:
13952
In Stock
$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cold Climate Oil Separator Kit - Level 2

ES#2603034 - E46M54OSC3KT - 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 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#:
2603034
Mfg#:
E46M54OSC3KT
In Stock
ON SALE! SAVE 23%
$161.99

This product was last offered at the strikethrough price on
06-16-2026

$124.57 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