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

Coolant Bleeder Screw - Priced Each

ES#37833 - 17111712788 - Coolant Bleeder Screw - Priced Each - Comes with O-Ring - Genuine BMW - BMW MINI

Comes with O-Ring

Brand:
Genuine BMW - Corporate Logo
ES#:
37833
Mfg#:
17111712788
In Stock
$5.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#3672879 - 17117639022 - Expansion Tank Cap - Replace worn or missing pieces. - Meyle - BMW

Replace worn or missing pieces. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3672879
Mfg#:
17117639022
In Stock
ON SALE! SAVE 40%
$14.99

This product was last offered at the strikethrough price on
05-14-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mass Air Flow Sensor (MAF)

ES#2867842 - 13621432356 - Mass Air Flow Sensor (MAF) - Complete with housing. - Febi - BMW

Complete with housing. We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867842
Mfg#:
13621432356
Ships on Jan 11, 2027
$205.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3 Pin Connector

ES#4772594 - 12521706096 - 3 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the idle air control valve (IACV). - ECS - BMW

Includes connector housing with terminals and seals. Commonly used for the idle air control valve (IACV). 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4772594
Mfg#:
12521706096
In Stock
ON SALE! SAVE 11%
$10.99

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

$9.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 Expansion Tank Hose

ES#24814 - 11531438633 - E39 Expansion Tank Hose - Runs from the expansion tank to auxiliary water pump - Genuine BMW - BMW

Runs from the expansion tank to auxiliary water pump

Brand:
Genuine BMW - Corporate Logo
ES#:
24814
Mfg#:
11531438633
Ships in 1-2 days
$113.99

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

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

"Cold Climate" Crankcase Pressure Regulator Valve Kit

ES#2771202 - 11617533400K - "Cold Climate" Crankcase Pressure Regulator Valve Kit - Replace your cracked breather hoses and crankcase pressure valve with all new components! - Vaico - BMW

Replace your cracked breather hoses and crankcase pressure valve with all new components! We Price Match - Give Us A Call or Chat! Superior performance for both warm and cold climates

Brand:
Vaico - Corporate Logo
ES#:
2771202
Mfg#:
11617533400K
Ships in 1 Business Day
$208.99

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

$202.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Connector - Priced Each

ES#211185 - 12131730412 - Spark Plug Connector - Priced Each - Attaches to ignition coil and covers the spark plug on Bremi ignition coils - Genuine BMW - BMW

Attaches to ignition coil and covers the spark plug on Bremi ignition coils

Brand:
Genuine BMW - Corporate Logo
ES#:
211185
Mfg#:
12131730412
In Stock
Limited Qty Sale
$30.99

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

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Leak Diagnosis Pump

ES#2702165 - 16136756440 - Leak Diagnosis Pump - Located under the vehicle, near the transmission bellhousing or in the rear. - Bosch - BMW

Located under the vehicle, near the transmission bellhousing or in the rear. We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/2001

Brand:
Bosch - Corporate Logo
ES#:
2702165
Mfg#:
16136756440
Back Ordered
$221.99

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

$202.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coil Pack Wiring Harness

ES#30893 - 12517518000 - Coil Pack Wiring Harness - Ensure correct coil voltage - Genuine BMW - BMW

Ensure correct coil voltage For vehicles with production date from 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
30893
Mfg#:
12517518000
In Stock
Limited Qty Sale
$218.99

This product was last offered at the strikethrough price on
05-25-2026

$201.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW Shift Sleeve

ES#43688 - 23311224964 - Genuine BMW Shift Sleeve - 1st And 2nd Gear Shift Sleeve - Genuine BMW - BMW

1st And 2nd Gear Shift Sleeve

Brand:
Genuine BMW - Corporate Logo
ES#:
43688
Mfg#:
23311224964
Special Order: No Guaranteed ETA
3% off MSRP

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

$206.99

This product was last offered at the strikethrough price on
10-10-2026

$200.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bolt - Pack Of 25

ES#2677664 - 11241739729KT - Connecting Rod Bolt - Pack Of 25 - The stretch bolt design means these need replaced once removed - Genuine BMW - BMW

The stretch bolt design means these need replaced once removed

Brand:
Genuine BMW - Corporate Logo
ES#:
2677664
Mfg#:
11241739729KT
Ships in 1-2 days
$199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VAC Motorsports Vanos Elimination Kit

ES#4365126 - VAC-VEK-M54 - VAC Motorsports Vanos Elimination Kit - VAC Tech Tip: Sold as a race part; not recommended for street driven cars. Also, not intended for those with factory ECUs. - VAC Motorsports - BMW

VAC Tech Tip: Sold as a race part; not recommended for street driven cars. Also, not intended for those with factory ECUs.

Brand:
VAC Motorsports - Corporate Logo
ES#:
4365126
Mfg#:
VAC-VEK-M54
Ships on Oct 27, 2026
$199.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#19638 - 11157532649 - Crankcase Ventilation Hose - From oil separator to dipstick tube - Genuine BMW - BMW

From oil separator to dipstick tube

Brand:
Genuine BMW - Corporate Logo
ES#:
19638
Mfg#:
11157532649
Ships in 1-2 days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coupling Ring

ES#34018 - 13541435626 - Coupling Ring - Couples the air intake boot - Genuine BMW - BMW

Couples the air intake boot

Brand:
Genuine BMW - Corporate Logo
ES#:
34018
Mfg#:
13541435626
Ships in 1 Business Day
$20.99

This product was last offered at the strikethrough price on
10-03-2026

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Hose

ES#3184114 - 11617503666 - Vacuum Hose - Connects to your suction pump - Elaplast - BMW

Connects to your suction pump

Brand:
Elaplast - Corporate Logo
ES#:
3184114
Mfg#:
11617503666
Ships on Nov 12, 2026
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Switch

ES#2816052 - 61326901961 - Ignition Switch - Steering column ignition switch - Hamburg Tech - BMW

Steering column ignition switch We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816052
Mfg#:
61326901961
Ships in 1 Business Day
$39.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 Your Privacy Choices Cookie Policy ECS Tuning is part of Enthusiast Auto Holdings