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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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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
Ships on Jan 5, 2027
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

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
Ships on Jan 5, 2027
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

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

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
Auto Notify
$10.99 USD
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
Auto Notify
$45.99 USD
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

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
Auto Notify
ON SALE!
$3485.99

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

$3337.21 USD
This product is lifetime replacement eligible Partial 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

Upper Oil Separator Vent Tube

ES#3672460 - 11617504535 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold. Made in Germany. - Meyle - BMW

Runs from the top of the oil separator up to intake manifold. Made in Germany. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3672460
Mfg#:
11617504535
Back Ordered
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW - Engine/Cooling

ES#4900640 - 11531705224 - BMW - Engine/Cooling - Includes retaining clips - Meyle - BMW

Includes retaining clips 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4900640
Mfg#:
11531705224
Back Ordered
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Vacuum Control Valve

ES#4745361 - 11747810831 - Vacuum Control Valve - Used in emissions and noise reduction systems. - URO - BMW MINI

Used in emissions and noise reduction systems. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4745361
Mfg#:
11747810831
Back Ordered
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Temperature Sensor

ES#3514986 - 64118391392 - Air Temperature Sensor - URO - BMW

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

Brand:
URO - Corporate Logo
ES#:
3514986
Mfg#:
64118391392
Back Ordered
$7.99 USD
Free Shipping
on orders $49 and up

Crankcase Pressure Regulator Valve - Cold Climate Version

Commonly referred to as the "oil separator" Superior performance for both warm and cold climates

Brand:
Atlantic Enterprises
ES#:
2602981
Mfg#:
11617533400
Back Ordered
$71.99

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

$69.99 USD
Free Shipping
on orders $49 and up

Valve Cover Gasket Set

Replacement Valve Cover Gasket Set from Corteco For vehicles with production date from 09/2002

Brand:
Corteco - Corporate Logo
ES#:
4070812
Mfg#:
11120030496
Back Ordered
$23.99

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

$21.99 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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