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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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Alternator - 120amp

ES#2539391 - 12317501599 - Alternator - 120amp - Brand new unit with no core charge. - Bosch - BMW

Brand new unit with no core charge. We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2539391
Mfg#:
12317501599
In Stock at Vendor
$526.99

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

$511.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upper Timing Chain Tensioner

ES#2576041 - 11311738700 - Upper Timing Chain Tensioner - Guide used to tension the timing chain - Febi - BMW
ECS Tuning recommends this product.

Guide used to tension the timing chain We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2576041
Mfg#:
11311738700
In Stock at Vendor
$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2 Pin Connector

ES#4772590 - 12521427615 - 2 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. - ECS - BMW MINI

Includes connector housing with terminals and seals. Commonly used for the engine oil pressure switch. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4772590
Mfg#:
12521427615
In Stock
ON SALE! SAVE 25%
$7.99

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

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp, Worm Gear - Stainless Steel

ES#16314 - 07129952113 - Hose Clamp, Worm Gear - Stainless Steel - L28-L33 Size - heater hose, etc - Genuine BMW - BMW

L28-L33 Size - heater hose, etc

Brand:
Genuine BMW - Corporate Logo
ES#:
16314
Mfg#:
07129952113
In Stock
18% off MSRP

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

$4.27

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

$3.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Timing Chain Guide Rail

ES#2083353 - 11311726480 - Lower Timing Chain Guide Rail - Replacement guide rail for required maintenance - Febi - BMW

Replacement guide rail for required maintenance We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2083353
Mfg#:
11311726480
Ships on Oct 6, 2026
Auto Notify
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gasket - Crankshaft Seal Housing

ES#19221 - 11141432240 - Gasket - Crankshaft Seal Housing - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
19221
Mfg#:
11141432240
In Stock
2% off MSRP

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

$25.70

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

$25.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Idle Control Valve Grommet

ES#25465 - 11611437453 - Idle Control Valve Grommet - Rubber grommet that helps hold the idle control valve - Genuine BMW - BMW

Rubber grommet that helps hold the idle control valve

Brand:
Genuine BMW - Corporate Logo
ES#:
25465
Mfg#:
11611437453
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Hose

ES#4809974 - 13537563456 - Fuel Hose - 8x13mm - URO - BMW

8x13mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4809974
Mfg#:
13537563456
In Stock
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Timing Chain

ES#4920327 - ZC0255 - Engine Timing Chain - Ensure your BMW maintains its factory performance and reliability. - Ina - BMW

Ensure your BMW maintains its factory performance and reliability.

Brand:
Ina - Corporate Logo
ES#:
4920327
Mfg#:
ZC0255
Ships in 2 Business Days
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Boot - Priced Each

ES#2576065 - 12131740477 - Spark Plug Boot - Priced Each - Attaches to ignition coil and covers the spark plug on Bosch ignition coils - Bosch - BMW

Attaches to ignition coil and covers the spark plug on Bosch ignition coils We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 09/2002 and Bosch ignition coil

Brand:
Bosch - Corporate Logo
ES#:
2576065
Mfg#:
12131740477
In Stock at Vendor
$22.99

This product was last offered at the strikethrough price on
05-19-2026

$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mechanical A/C Belt Tensioner Assembly

ES#4830572 - 11287512758 - Mechanical A/C Belt Tensioner Assembly - Complete tensioner assembly with roller - Bremmen Parts - BMW

Complete tensioner assembly with roller 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with production date from 09/2002

Brand:
Bremmen Parts - Corporate Logo
ES#:
4830572
Mfg#:
11287512758
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

VANOS Seal, Gasket, & Hardware Kit

ES#3221107 - 1136143253KT1 - VANOS Seal, Gasket, & Hardware Kit - Assembled By ECS - BMW

10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3221107
Mfg#:
1136143253KT1
Ships in 3 Business Days
$53.99

This product was last offered at the strikethrough price on
04-21-2026

$50.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Installation Kit

ES#1306773 - 11120141055 - Cylinder Head Installation Kit - Includes head gasket - Victor Reinz - BMW
ECS Tuning recommends this product.

Includes head gasket For vehicles with production date from 09/2002

Brand:
Victor Reinz - Corporate Logo
ES#:
1306773
Mfg#:
11120141055
In Stock at Vendor
$707.79

This product was last offered at the strikethrough price on
04-08-2026

$495.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Kits, Pack Of 5 - Stock Up And SAVE!

ES#3647044 - 11427512300HKT - Oil Filter Kits, Pack Of 5 - Stock Up And SAVE! - OE quailty for your BMW M54, buy in sets of 5 or 10 - Hengst - BMW

OE quailty for your BMW M54, buy in sets of 5 or 10 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
3647044
Mfg#:
11427512300HKT
In Stock
$54.99 USD
Free Shipping
on orders $49 and up

Hydraulic Lifter - Priced Each

ES#22497 - 11321748884 - Hydraulic Lifter - Priced Each - Also commonly called cam follower - Genuine BMW - BMW

Also commonly called cam follower

Brand:
Genuine BMW - Corporate Logo
ES#:
22497
Mfg#:
11321748884
Ships in 6 Business Days
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Dipstick O-Ring - Priced Each

ES#24181 - 11431717666 - Dipstick O-Ring - Priced Each - Used to seal the dipstick to the guide tube - Genuine BMW - BMW

Used to seal the dipstick to the guide tube

Brand:
Genuine BMW - Corporate Logo
ES#:
24181
Mfg#:
11431717666
In Stock
$3.99 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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Manufacturer names and/or part numbers are used only for identification purposes.

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