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 Most Popular Parts

Sort By
Filter By
Return to Top

Outdoor Temperature Sensor / Probe

ES#2634013 - 65816936953 - Outdoor Temperature Sensor / Probe - Common fix for incorrect OBC temperature readings - Genuine BMW - BMW MINI

Common fix for incorrect OBC temperature readings

Brand:
Genuine BMW - Corporate Logo
ES#:
2634013
Mfg#:
65816936953
Ships in 3 Business Days
6% off MSRP

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

$71.99

This product was last offered at the strikethrough price on
08-24-2026

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Cover Beauty Cap - Priced Each

ES#2817004 - 11121726089 - Engine Cover Beauty Cap - Priced Each - Used to cover the securing hardware for the engine cover - Vaico - BMW

Used to cover the securing hardware for the engine cover We Price Match - Give Us A Call or Chat!
2 required per cover, used on both engine covers

Brand:
Vaico - Corporate Logo
ES#:
2817004
Mfg#:
11121726089
In Stock
$5.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling Maintenance Kit - Level 3

ES#2739219 - ECSE391155 - ECS Cooling Maintenance Kit - Level 3 - The ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a GEBA water pump - Assembled By ECS - BMW

The ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a GEBA water pump 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2739219
Mfg#:
ECSE391155
Ships in 2 Business Days
ON SALE!
$903.46

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

$883.28 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

E39 Front Door Sill Cover - Right

ES#124201 - 51478178120 - E39 Front Door Sill Cover - Right - Schwarz/black - Genuine BMW - BMW

Schwarz/black

Brand:
Genuine BMW - Corporate Logo
ES#:
124201
Mfg#:
51478178120
Ships in 3 Business Days
1% off MSRP

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

$147.99

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

$146.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Parking Brake Expanding Lock - Set of 2

ES#4344914 - 34411161762 - Parking Brake Expanding Lock - Set of 2 - For rear axle - Febi - BMW

For rear axle We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4344914
Mfg#:
34411161762
Ships in 4 Business Days
$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Delete Nut

ES#24337 - 11511310640 - Fan Delete Nut - For use on vehicles with mechanical engine fan and fan clutch removed - Genuine BMW - BMW

For use on vehicles with mechanical engine fan and fan clutch removed

Brand:
Genuine BMW - Corporate Logo
ES#:
24337
Mfg#:
11511310640
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Battery Hold Down

ES#2697968 - 61217631587 - Battery Hold Down - Used on the edge of the battery case - Genuine BMW - BMW

Used on the edge of the battery case

Brand:
Genuine BMW - Corporate Logo
ES#:
2697968
Mfg#:
61217631587
In Stock
$25.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#3023872 - 17111742231 - Expansion Tank Cap - Replace when performing cooling service. - Mahle-Behr - BMW

Replace when performing cooling service.

Brand:
Mahle-Behr - Corporate Logo
ES#:
3023872
Mfg#:
17111742231
Ships in 4 Business Days
$20.99

This product was last offered at the strikethrough price on
08-13-2026

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Motorsport Sticker(White) - 1.48" x 6.0"

ES#4643723 - TMS-2X4-WH - Turner Motorsport Sticker(White) - 1.48" x 6.0" - Represent Turner Motorsport on your car! - Turner Motorsport - BMW

Represent Turner Motorsport on your car! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
4643723
Mfg#:
TMS-2X4-WH
Ships on Sep 15, 2026
Auto Notify
ON SALE! SAVE 25%
$3.99

This product was last offered at the strikethrough price on
06-13-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brake Master Cylinder Reservoir

ES#61447 - 34326758848 - Brake Master Cylinder Reservoir - Featuring an in-cap level sensor - Genuine BMW - BMW

Featuring an in-cap level sensor

Brand:
Genuine BMW - Corporate Logo
ES#:
61447
Mfg#:
34326758848
In Stock
5% off MSRP

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

$152.99

This product was last offered at the strikethrough price on
08-24-2026

$145.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 2

ES#3108048 - E46M54OSW3KT2 - Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance, Includes ECS F-Connector - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance, Includes ECS F-Connector 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3108048
Mfg#:
E46M54OSW3KT2
Ships in 1 Business Day
ON SALE! SAVE 23%
$226.99

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

$174.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lower Transmission Mount Nut - Priced Each

ES#241278 - 07129904862 - Lower Transmission Mount Nut - Priced Each - Recommended replacement with motor mounts. - Genuine BMW - BMW MINI

Recommended replacement with motor mounts.

Brand:
Genuine BMW - Corporate Logo
ES#:
241278
Mfg#:
07129904862
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supersprint Section 2 Resonator

ES#3418869 - 785903 - Supersprint Section 2 Resonator - A refined sound with better flow - Supersprint - BMW

A refined sound with better flow

Brand:
Supersprint - Corporate Logo
ES#:
3418869
Mfg#:
785903
Ships on Nov 25, 2026
$872.99 USD
Free Shipping

E53 X5 Steering Lock

ES#53402 - 32321095824 - E53 X5 Steering Lock - Houses the ignition switch and lock cylinder - Genuine BMW - BMW

Houses the ignition switch and lock cylinder

Brand:
Genuine BMW - Corporate Logo
ES#:
53402
Mfg#:
32321095824
Ships in 1-2 days
2% off MSRP

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

$222.99

This product was last offered at the strikethrough price on
08-24-2026

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

Clutch Fork Pivot Pin

ES#41216 - 21511223328 - Clutch Fork Pivot Pin - Pin that is located on the bottom half of clutch fork - Genuine BMW - BMW

Pin that is located on the bottom half of clutch fork

Brand:
Genuine BMW - Corporate Logo
ES#:
41216
Mfg#:
21511223328
In Stock
1% off MSRP

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

$9.37

This product was last offered at the strikethrough price on
08-24-2026

$9.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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