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 Clear

BMW E39 525i M54 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
garage-red
Your Vehicle BMW E39 525i M54 2.5L
Your Vehicle BMW E39 525i M54 2.5L
Change Clear

BMW E39 525i M54 2.5L Engine Service & Maintenance Parts

Sort By
Filter By
Return to Top

Performance Ignition Service Kit

ES#4758078 - 7599219T1KT - Performance Ignition Service Kit - Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and Turner Performance Ignition Coils - Assembled By ECS - BMW

Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and Turner Performance Ignition Coils 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date up to 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
4758078
Mfg#:
7599219T1KT
In Stock
ON SALE!
$281.99

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

$264.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

10 Pc. Oil Filter Wrench Kit

ES#2932868 - CTA026400 - 10 Pc. Oil Filter Wrench Kit - For removal of Oil & Fuel Filter Housings and spin-on filters. - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

For removal of Oil & Fuel Filter Housings and spin-on filters.

Brand:
CTA Tools - Corporate Logo
ES#:
2932868
Mfg#:
CTA026400
In Stock
$89.99

This product was last offered at the strikethrough price on
05-29-2026

$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#14589 - 07119904550 - Oil Drain Plug - BMW ///M engine oil drain plug - Genuine BMW - BMW

BMW ///M engine oil drain plug

Brand:
Genuine BMW - Corporate Logo
ES#:
14589
Mfg#:
07119904550
In Stock
$7.51

This product was last offered at the strikethrough price on
04-06-2026

$7.38 USD
Free Shipping
on orders $49 and up
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 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

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

UV / LED Flashlight

ES#3469564 - UVFLASHLIGHT - UV / LED Flashlight - Check for leaks when used with Molygen oil! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Check for leaks when used with Molygen oil! 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3469564
Mfg#:
UVFLASHLIGHT
In Stock
$7.99 USD
Free Shipping
on orders $49 and up

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

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

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

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

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

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

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 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

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

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
$138.99

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

$131.99 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

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.

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