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 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
affirm financing terms & conditions
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

Camshaft Position Sensor

ES#28635 - 12147518628 - Camshaft Position Sensor - Exhaust side - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
28635
Mfg#:
12147518628
In Stock
17% off MSRP

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

$166.83

This product was last offered at the strikethrough price on
07-07-2026

$138.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS 6-Piston Front Big Brake Kit (338x26)

ES#2598721 - 000249ECS02KT - ECS 6-Piston Front Big Brake Kit (338x26) - Featuring ECS 2-piece rotors! - Assembled By ECS - BMW

Featuring ECS 2-piece rotors! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Requires the use of 17" or larger wheels

Brand:
Assembled By ECS - Corporate Logo
ES#:
2598721
Mfg#:
000249ECS02KT
Ships in 3 Business Days
$1937.99 USD
This product is lifetime replacement eligible Partial Replacement

Water Pipe

ES#4069274 - 11537502525 - Water Pipe - Connects return hose to engine block - Rein - BMW

Connects return hose to engine block 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:
Rein - Corporate Logo
ES#:
4069274
Mfg#:
11537502525
In Stock
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Axle Nut - Priced Each

ES#251550 - 33411133785 - Axle Nut - Priced Each - Fits left and right side - Febi - BMW
ECS Tuning recommends this product.

Fits left and right side 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:
Febi - Corporate Logo
ES#:
251550
Mfg#:
33411133785
In Stock
$18.72

This product was last offered at the strikethrough price on
04-20-2026

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hollow Bolt - Priced Each

ES#2607361 - 32416852470 - Hollow Bolt - Priced Each - M16x28 Used on various hydraulic lines - Genuine BMW - BMW MINI

M16x28 Used on various hydraulic lines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2607361
Mfg#:
32416852470
In Stock
10% off MSRP

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

$26.17

This product was last offered at the strikethrough price on
07-07-2026

$23.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Flex Disk

ES#3477046 - IRPFD-96 - Performance Flex Disk - Built with Polyurethane bushings for a stiffer driveline and instant power transfer. 96mm Diameter - IRP - Individual Racing Parts - BMW

Built with Polyurethane bushings for a stiffer driveline and instant power transfer. 96mm Diameter affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For all vehicles with automatic transmission. Also for touring models with manual transmission.

Brand:
IRP - Individual Racing Parts - Corporate Logo
ES#:
3477046
Mfg#:
IRPFD-96
Ships in 6 Business Days
$165.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

8 In. Twin Sprung Ceramic Disc Clutch And Flywheel Kit

ES#4749613 - XKBM20530-2B - 8 In. Twin Sprung Ceramic Disc Clutch And Flywheel Kit - The XClutch 8" Twin Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 890 ft-lbs! - XClutch - BMW

The XClutch 8" Twin Disc Clutch offers a lightweight design for improved throttle response combined with a high torque capacity, making it ideal for racing applications. Rated for 890 ft-lbs! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft
For Vehicles with 5-Speed Transmission and 10 Spline Input Shaft

Brand:
XClutch - Corporate Logo
ES#:
4749613
Mfg#:
XKBM20530-2B
Ships in 2 Business Days
$1886.99 USD
Free Shipping

Transmission Mount - Priced Each

ES#248797 - 22316771219 - Transmission Mount - Priced Each - Mounted at the rear of transmission on crossmember - Lemforder - BMW

Mounted at the rear of transmission on crossmember affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Lemforder - Corporate Logo
ES#:
248797
Mfg#:
22316771219
In Stock at Vendor
$14.99

This product was last offered at the strikethrough price on
07-05-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector - Priced Each

ES#33699 - 13537546244 - Fuel Injector - Priced Each - Factory replacement - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
33699
Mfg#:
13537546244
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.

$264.99

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

$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Titanium Conical Seat Wheel Bolt - 12x1.5x26mm - Set Of 20

ES#3570229 - 025384ecs04-0120 - Titanium Conical Seat Wheel Bolt - 12x1.5x26mm - Set Of 20 - Lightweight, corrosion resistant, high performance lug bolts - ECS - BMW

Lightweight, corrosion resistant, high performance lug bolts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Stock length bolts for use without spacers

Brand:
ECS - Corporate Logo
ES#:
3570229
Mfg#:
025384ECS04-0120
In Stock
ON SALE! SAVE 15%
$312.99

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

$266.04 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alumnium Pedal Cover Set

ES#3149183 - D700-0000 - Alumnium Pedal Cover Set - Style and performance for your interior - Dinan - BMW

Style and performance for your interior Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Dinan - Corporate Logo
ES#:
3149183
Mfg#:
D700-0000
Back Ordered
Auto Notify
11% off MSRP

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

$321.95

This product was last offered at the strikethrough price on
07-07-2026

$285.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#2708069 - 17111436060 - Radiator - Replace your leaking radiator - Nissens - BMW
ECS Tuning recommends this product.

Replace your leaking radiator We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
2708069
Mfg#:
17111436060
In Stock
$229.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Super White H7 Halogen Bulb - Pair

ES#11129 - ZZH7BSSWA - Super White H7 Halogen Bulb - Pair - Comparable to 6000k HID color for increased intensity & visual appeal - ZiZa - Audi BMW Volkswagen MINI

Comparable to 6000k HID color for increased intensity & visual appeal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ZiZa - Corporate Logo
ES#:
11129
Mfg#:
ZZH7BSSWA
In Stock
ON SALE! SAVE 10%
$29.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Seal Kit

ES#4879308 - 11141438274 - Crankshaft Seal Kit - Manufactured from high-strength, heat-resistant materials, the URO Crankshaft Seal withstands extreme temperatures, engine vibrations, and constant exposure to oil. - URO - BMW

Manufactured from high-strength, heat-resistant materials, the URO Crankshaft Seal withstands extreme temperatures, engine vibrations, and constant exposure to oil. 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:
URO - Corporate Logo
ES#:
4879308
Mfg#:
11141438274
In Stock
$122.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WPC Treated Crank Bearing Set

ES#4000006 - 11211706847wpcKT - WPC Treated Crank Bearing Set - Stronger & smoother, with less friction for your BMW! - ECS - BMW
ECS Tuning recommends this product.

Stronger & smoother, with less friction for your BMW! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4000006
Mfg#:
11211706847WPCKT
In Stock
ON SALE!
$250.99

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

$243.46 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Sealing Washer - priced each

ES#2710098 - 11121437395 - Valve Cover Sealing Washer - priced each - Rubber sealing washer underneath valve cover securing nut - URO - BMW

Rubber sealing washer underneath valve cover securing nut 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:
URO - Corporate Logo
ES#:
2710098
Mfg#:
11121437395
In Stock
$1.79 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