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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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Front Main Crankshaft Seal

Replace your leaking crankshaft seal 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5492541
Mfg#:
11142249532
Ships on Jan 20, 2027
ON SALE! SAVE 10%
$10.99

This product was last offered at the strikethrough price on
10-08-2026

$9.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Housing

ES#4846181 - 11421713838 - Oil Filter Housing - Includes a seal, filter and cap - Vaico - BMW

Includes a seal, filter and cap We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4846181
Mfg#:
11421713838
Special Order: No Guaranteed ETA
$326.99 USD
Free Shipping
on orders $49 and up

Fuel Hose - 1 Meter

Replacement rubber fuel hose We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4858323
Mfg#:
16121180409
Special Order: No Guaranteed ETA
$43.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

A common failing piece due to the plastic design. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5516657
Mfg#:
11511436590
Ships on Feb 10, 2027
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump (Vacuum Pump)

A common source for vacuum leaks. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5505158
Mfg#:
11617545382
Ships on Feb 15, 2027
ON SALE! SAVE 10%
$45.99

This product was last offered at the strikethrough price on
10-08-2026

$41.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount - Priced Each

Mounted at the rear of transmission on crossmember 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
5482290
Mfg#:
22316771219
Special Order: No Guaranteed ETA
ON SALE! SAVE 10%
$8.99

This product was last offered at the strikethrough price on
10-08-2026

$8.09 USD
This product is lifetime replacement eligible Lifetime Replacement

OEM BMW Engine Air Pump

Common source of emissons related issues

Brand:
Pierburg - Corporate Logo
ES#:
3032195
Mfg#:
11721433959
Special Order: No Guaranteed ETA
$250.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Forged Piston Set - M54B25 Std. Size

ES#4758876 - M54B25-CPP-84 - CP-Carrillo Forged Piston Set - M54B25 Std. Size - Upgrade to CP-Carrillo's Forged Pistons in Your M54B25 Powered BMW! - 5150 Autosport - BMW

Upgrade to CP-Carrillo's Forged Pistons in Your M54B25 Powered BMW! For Vehicles With M54B25 Engine Only

Brand:
5150 Autosport - Corporate Logo
ES#:
4758876
Mfg#:
M54B25-CPP-84
Back Ordered
Starting at $1349.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Oil Temperature Sensor And Gauge Kit - Green/White

ES#3173689 - oiltempgaugeKT - Oil Temperature Sensor And Gauge Kit - Green/White - The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! - Assembled By ECS - BMW

The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3173689
Mfg#:
OILTEMPGAUGEKT
Back Ordered
ON SALE!
$196.99

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

$193.26 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling Maintenance Kit - Level 3

ES#3246841 - ECSE391155p - ECS Cooling Maintenance Kit - Level 3 - The ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a Stewart High Performance Water Pump - Assembled By ECS - BMW

The ultimate cooling refresh kit - with aftermarket components, featuring an ECS Aluminum Pulley and a Stewart High Performance Water Pump 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
3246841
Mfg#:
ECSE391155P
Ships in 8 Business Days
ON SALE!
$1030.99

This product was last offered at the strikethrough price on
06-15-2026

$968.06 USD
This product is lifetime replacement eligible Partial Replacement

Oil Temperature Sensor And Gauge Kit - Blue/Red

ES#3173690 - oiltempgaugeBRKT - Oil Temperature Sensor And Gauge Kit - Blue/Red - The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! - Assembled By ECS - BMW

The perfect combination for your oil temperature needs, a Turner oil sensor flange with a Prosport gauge! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3173690
Mfg#:
OILTEMPGAUGEBRKT
Back Ordered
ON SALE!
$196.99

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

$193.26 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Complete Cylinder Head Ultimate Replacement Kit

ES#2918759 - 11127514540-1KT - Complete Cylinder Head Ultimate Replacement Kit - Everything you will need to do a head service on your BMW, plus a new thermostat, thermostat housing, a magnetic drain plug, a camshaft position sensor, spark plugs, and ignition coils - Assembled By ECS - BMW

Everything you will need to do a head service on your BMW, plus a new thermostat, thermostat housing, a magnetic drain plug, a camshaft position sensor, spark plugs, and ignition coils 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2918759
Mfg#:
11127514540-1KT
Back Ordered
ON SALE!
$3485.99

This product was last offered at the strikethrough price on
06-11-2026

$3355.76 USD
This product is lifetime replacement eligible Partial Replacement

Remanufactured Alternator - 120amp

ES#2834927 - 12317501599rKT - Remanufactured Alternator - 120amp - Price includes $111 core charge - Bosch - BMW

Price includes $111 core charge We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2834927
Mfg#:
12317501599RKT
Back Ordered
$446.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#2873855 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - Febi - BMW

2 required in each application We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873855
Mfg#:
11781742050
Special Order: No Guaranteed ETA
$110.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

"Cold Climate" Crankcase Pressure Regulator Valve

ES#4327299 - 11617533400 - "Cold Climate" Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" - Meyle - BMW

Commonly referred to as the "oil separator" 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4327299
Mfg#:
11617533400
Back Ordered
$69.99 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.

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