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 Parts & Accessories

Sort By
Filter By
Return to Top

Performance Rod Bearing Replacement Kit

ES#3241170 - 11241284849KT3 - Performance Rod Bearing Replacement Kit - Includes everything needed for a rod bearing service - with WPC treated rod bearings - Assembled By ECS - BMW

Includes everything needed for a rod bearing service - with WPC treated rod bearings 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3241170
Mfg#:
11241284849KT3
In Stock
ON SALE! SAVE 11%
$715.83

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

$633.88 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Right - Brushed Stainless

ES#4146850 - 026732TMS06-17 - Turner Motorsport Double Wall Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Stepped Right - Brushed Stainless - Right - Brushed Stainless Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD - Turner Motorsport - BMW MINI

Right - Brushed Stainless Slash Cut Exhaust Tip - 3.0 Inlet - 3.5 OD 10X Entries Into Our F80 M3 Sweepstakes
Not vehicle specific. You MUST measure prior to purchasing!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4146850
Mfg#:
026732TMS06-17
In Stock
ON SALE! SAVE 53%
$149.99

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

$70.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 Engine Mount - Priced Each

ES#2718302 - 22116754608 - E39 Engine Mount - Priced Each - Fits both left and right positions - Corteco - BMW

Fits both left and right positions

Brand:
Corteco - Corporate Logo
ES#:
2718302
Mfg#:
22116754608
Ships in 2 Business Days
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner

ES#2696132 - 11281717188 - Hydraulic Alternator Belt Tensioner - Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner - Ina - BMW

Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2696132
Mfg#:
11281717188
In Stock
$79.99

This product was last offered at the strikethrough price on
07-29-2026

$56.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit - With Service Tools

ES#4352360 - 12131703228IGKT7 - Ignition Service Kit - With Service Tools - Everything you need to service your ignition system - Assembled By ECS - BMW

Everything you need to service your ignition system 10X Entries Into Our F80 M3 Sweepstakes
Kit includes all necessary service tools
For vehicles with production date up to 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
4352360
Mfg#:
12131703228IGKT7
In Stock
$379.99

This product was last offered at the strikethrough price on
02-27-2026

$309.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit

ES#2602267 - 07119915017KT1 - Fuel Injector Installation Kit - Everything you need to install new fuel injectors, including fuel rail bolts. - Assembled By ECS - BMW

Everything you need to install new fuel injectors, including fuel rail bolts. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602267
Mfg#:
07119915017KT1
In Stock
ON SALE!
$68.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Pickup Tube O-Ring

ES#23586 - 11417507429 - Oil Pump Pickup Tube O-Ring - Seals the pickup tube to the oil pump - Genuine BMW - BMW

Seals the pickup tube to the oil pump

Brand:
Genuine BMW - Corporate Logo
ES#:
23586
Mfg#:
11417507429
In Stock
$20.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#2834850 - 12138647689 - Ignition Coil - Priced Each - Give your engine a new spark - Genuine BMW - BMW

Give your engine a new spark

Brand:
Genuine BMW - Corporate Logo
ES#:
2834850
Mfg#:
12138647689
In Stock
ON SALE!
$82.89

This product was last offered at the strikethrough price on
08-23-2026

$76.77 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#37695 - 17111436060 - Radiator - Replace your leaking radiator - Genuine BMW - BMW

Replace your leaking radiator

Brand:
Genuine BMW - Corporate Logo
ES#:
37695
Mfg#:
17111436060
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.

$648.99

This product was last offered at the strikethrough price on
08-23-2026

$610.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#263912 - 12141709616 - Crankshaft Position Sensor - Does not include O-ring - Meyle - BMW
ECS Tuning recommends this product.

Does not include O-ring 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
263912
Mfg#:
12141709616
Ships on Sep 29, 2026
Auto Notify
$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#4818566 - 17111436381 - Coolant Expansion Tank - Includes level sensor - Bremmen Parts - BMW

Includes level sensor 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818566
Mfg#:
17111436381
In Stock
ON SALE! SAVE 39%
$65.99

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

$40.00 USD
Free Shipping
on orders $49 and up

VAC Motorsports ATI A/C Pulley

ES#4583530 - VAC-HPCD-M50-ACP - VAC Motorsports ATI A/C Pulley - The perfect addition to your VAC ATI Harmonic Damper Pulley when retaining your A/C system - VAC Motorsports - BMW

The perfect addition to your VAC ATI Harmonic Damper Pulley when retaining your A/C system

Brand:
VAC Motorsports - Corporate Logo
ES#:
4583530
Mfg#:
VAC-HPCD-M50-ACP
In Stock
$149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay - Violet

ES#169404 - 61361388911 - Relay - Violet - For mutiple locations in the fuse box. - Genuine BMW - BMW MINI

For mutiple locations in the fuse box.

Brand:
Genuine BMW - Corporate Logo
ES#:
169404
Mfg#:
61361388911
In Stock
4% off MSRP

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

$24.99

This product was last offered at the strikethrough price on
08-23-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cruise Control Clutch Lead

ES#160114 - 61116911072 - Cruise Control Clutch Lead - Cancels cruise control when clutch pedal is depressed - Genuine BMW - BMW

Cancels cruise control when clutch pedal is depressed For vehicles with manual transmission and cruise control with a production date up to 03/2001

Brand:
Genuine BMW - Corporate Logo
ES#:
160114
Mfg#:
61116911072
In Stock
$12.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Housing / Body

ES#34160 - 13547502444 - Throttle Housing / Body - Electronic throttle sensor and assembly - Genuine BMW - BMW

Electronic throttle sensor and assembly

Brand:
Genuine BMW - Corporate Logo
ES#:
34160
Mfg#:
13547502444
Ships in 6 Business Days
3% off MSRP

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

$603.99

This product was last offered at the strikethrough price on
08-23-2026

$584.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Conversion Kit

ES#4164847 - 11287838797K - Belt Tensioner Conversion Kit - Update from a mechanical tensioner to a hydraulic style tensioner - URO - BMW

Update from a mechanical tensioner to a hydraulic style tensioner 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4164847
Mfg#:
11287838797K
Back Ordered
Auto Notify
$82.99 USD
Free Shipping
on orders $49 and up

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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