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BMW E39 525i M54 2.5L

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BMW E39 525i M54 2.5L Engine Parts & Accessories

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Camshaft Position Sensor

ES#4316514 - 12147518628 - Camshaft Position Sensor - Exhaust side, includes a new o-ring seal - Bremmen Parts - BMW

Exhaust side, includes a new o-ring seal 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4316514
Mfg#:
12147518628
In Stock
ON SALE! SAVE 16%
$31.99

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

$26.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 Expansion Tank Hose

ES#2622968 - 11531438633 - E39 Expansion Tank Hose - Runs from the expansion tank to auxiliary water pump - Rein - BMW

Runs from the expansion tank to auxiliary water pump 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2622968
Mfg#:
11531438633
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover

ES#18478 - 11127512839 - Valve Cover - A complete valve cover assembly - Genuine BMW - BMW

A complete valve cover assembly For vehicles with production date from 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
18478
Mfg#:
11127512839
Ships in 3 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.

$469.99

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

$454.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Air Filter

ES#2633581 - 13721730449 - Air Filter - Protect your engine - improve performance - Genuine BMW - BMW

Protect your engine - improve performance

Brand:
Genuine BMW - Corporate Logo
ES#:
2633581
Mfg#:
13721730449
In Stock
ON SALE!
$52.99

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

$50.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Power Steering Pulley Kit

ES#2804221 - 003042ECS01KT - Aluminum Power Steering Pulley Kit - Finally, a durable power steering pulley that won't break! Includes ECS Aluminum Power Steering Pulley, three retaining bolts, and Continental power steering belt. - Assembled By ECS - BMW

Finally, a durable power steering pulley that won't break! Includes ECS Aluminum Power Steering Pulley, three retaining bolts, and Continental power steering belt. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804221
Mfg#:
003042ECS01KT
In Stock
ON SALE!
$119.72

This product was last offered at the strikethrough price on
06-23-2026

$113.11 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Hard Line Replacement & Upgrade Kit

Includes everything needed to replace heater coolant hard lines 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5435247
Mfg#:
11531705210KT1
Ships on Nov 12, 2026
Auto Notify
$237.99

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

$225.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Mechanical Alternator Belt Tensioner Assembly

ES#3673292 - 11281427252 - Mechanical Alternator Belt Tensioner Assembly - Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. - Bremmen Parts - BMW

Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with automatic transmission only

Brand:
Bremmen Parts - Corporate Logo
ES#:
3673292
Mfg#:
11281427252
In Stock
ON SALE! SAVE 10%
$41.99

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

$37.63 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Crankcase Breather Element

ES#4866071 - 11617533400 - Engine Crankcase Breather Element - Commonly referred to as the "oil separator" or PCV - Hengst - BMW
ECS Tuning recommends this product.

Commonly referred to as the "oil separator" or PCV 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Superior performance for both warm and cold climates

Brand:
Hengst - Corporate Logo
ES#:
4866071
Mfg#:
11617533400
In Stock
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt - Alternator/Water Pump/Power Steering Belt

ES#2678566 - 11287636379 - Accessory Belt - Alternator/Water Pump/Power Steering Belt - Drives critical components - Genuine BMW - BMW

Drives critical components

Brand:
Genuine BMW - Corporate Logo
ES#:
2678566
Mfg#:
11287636379
Ships in 3 Business Days
9% off MSRP

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

$69.99

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

$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#24838 - 11531705224 - Radiator Hose - Lower - Includes retaining clips - Genuine BMW - BMW

Includes retaining clips

Brand:
Genuine BMW - Corporate Logo
ES#:
24838
Mfg#:
11531705224
In Stock
$55.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#4316483 - 12147539165 - Camshaft Position Sensor - Located on the intake side of the engine - Bavarian Autosport - BMW

Located on the intake side of the engine 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4316483
Mfg#:
12147539165
In Stock
ON SALE! SAVE 20%
$27.99

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

$22.39 USD
Free Shipping
on orders $49 and up

Intake Valve - Priced Each

ES#2575862 - 11341438385 - Intake Valve - Priced Each - Replacement intake valve - Febi - BMW

Replacement intake valve We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2575862
Mfg#:
11341438385
Ships in 2 Business Days
$23.45

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

$19.32 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#2534506 - 12137599219 - Ignition Coil - Priced Each - Comes with plug connector - URO - BMW

Comes with plug connector 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/2002

Brand:
URO - Corporate Logo
ES#:
2534506
Mfg#:
12137599219
In Stock
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Rod Bearing Set - M54

ES#4758964 - 5150-HPRBS-M54 - Performance Rod Bearing Set - M54 - Performance Coated Rod Bearing Set for the M54 Engine - Std. Size - 5150 Autosport - BMW

Performance Coated Rod Bearing Set for the M54 Engine - Std. Size

Brand:
5150 Autosport - Corporate Logo
ES#:
4758964
Mfg#:
5150-HPRBS-M54
Ships in 3 Business Days
$219.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Main Bearing Set - M54

ES#4758963 - 5150-HPMBS-M54 - Performance Main Bearing Set - M54 - Performance Coated Main Bearing Set for the M54 Engine - Std. Size - 5150 Autosport - BMW

Performance Coated Main Bearing Set for the M54 Engine - Std. Size

Brand:
5150 Autosport - Corporate Logo
ES#:
4758963
Mfg#:
5150-HPMBS-M54
Ships in 3 Business Days
$274.99

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

$219.99 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.

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