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BMW E39 525i M54 2.5L

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BMW E39 525i M54 2.5L Engine Service & Maintenance Parts

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THINKCHECK M70

ES#4430877 - 303020049 - THINKCHECK M70 - THINKCHECK M70 is a universal OBD2 Automotive Diagnostic Tool that completely supports OBD2 - THINKCAR - Audi BMW Volkswagen Mercedes Benz MINI Porsche

THINKCHECK M70 is a universal OBD2 Automotive Diagnostic Tool that completely supports OBD2

Brand:
THINKCAR - Corporate Logo
ES#:
4430877
Mfg#:
303020049
In Stock
Limited Qty Sale
$264.99

This product was last offered at the strikethrough price on
11-07-2026

$221.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2592641 - 11537509227KT - Thermostat Replacement Kit - Includes gaskets and hardware and coolant - Genuine BMW - BMW

Includes gaskets and hardware and coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
2592641
Mfg#:
11537509227KT
Back Ordered
$219.99

This product was last offered at the strikethrough price on
09-09-2026

$218.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Performance Accessory Belt Kit - Kevlar Reinforced

ES#4690532 - 11281748131-PKT - Performance Accessory Belt Kit - Kevlar Reinforced - Includes updated Hydraulic Tensioner and Kevlar Accessory Belt! - Assembled By ECS - BMW

Includes updated Hydraulic Tensioner and Kevlar Accessory Belt! 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date up to 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
4690532
Mfg#:
11281748131-PKT
Ships on Nov 24, 2026
ON SALE! SAVE 20%
$268.99

This product was last offered at the strikethrough price on
11-07-2026

$214.93 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Accessory Belt Kit Service Kit

ES#3648551 - 1128783879721KT - Accessory Belt Kit Service Kit - Utilizes high quality aftermarket components - includes updated hydraulic alternator tensioner - Assembled By ECS - BMW

Utilizes high quality aftermarket components - includes updated hydraulic alternator tensioner 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with a production date before 09/1998

Brand:
Assembled By ECS - Corporate Logo
ES#:
3648551
Mfg#:
1128783879721KT
Ships in 1 Business Day
ON SALE! SAVE 25%
$279.99

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

$210.15 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
$202.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil Hold Down - Priced Each

ES#28059 - 12131437986 - Ignition Coil Hold Down - Priced Each - Secures the ignition coil plug onto the coil - Genuine BMW - BMW MINI

Secures the ignition coil plug onto the coil For vehicles with production date from 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
28059
Mfg#:
12131437986
Ships in 1-2 days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW Oil Change Kit / Inspection I

ES#2738417 - M5XOCI - Genuine BMW Oil Change Kit / Inspection I - Upgraded to include an ECS magnetic drain plug and Billet Aluminum Oil Filter Cap - Assembled By ECS - BMW

Upgraded to include an ECS magnetic drain plug and Billet Aluminum Oil Filter Cap 10X Entries Into Our F80 M3 Sweepstakes
Featuring the standard synthetic oil BMW engineers had in mind

Brand:
Assembled By ECS - Corporate Logo
ES#:
2738417
Mfg#:
M5XOCI
In Stock
$193.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

aFe ProGuard D2 Oil Filter

ES#2532480 - 44-LF022 - aFe ProGuard D2 Oil Filter - Higher efficiency and superior protection - AFE - BMW

Higher efficiency and superior protection

Brand:
AFE - Corporate Logo
ES#:
2532480
Mfg#:
44-LF022
In Stock
20% off MSRP

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

$20.00

This product was last offered at the strikethrough price on
11-07-2026

$16.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Octanium Unleaded

ES#4381727 - 29505KT - Octanium Unleaded - Octanium Unleaded is formulated to provide the biggest octane boost up to 7 numbers. Safe for Catalytic converters and emissions equipment. - VP Racing Fuels - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Octanium Unleaded is formulated to provide the biggest octane boost – up to 7 numbers. Safe for Catalytic converters and emissions equipment. This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:
VP Racing Fuels - Corporate Logo
ES#:
4381727
Mfg#:
29505KT
Ships in 5 Business Days
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

3/8" Dr. 5/8" Extended Spark Plug Socket

ES#4371892 - W80533 - 3/8" Dr. 5/8" Extended Spark Plug Socket - Extended socket length reaches confined areas. - Performance Tool - Audi BMW Volkswagen MINI Porsche

Extended socket length reaches confined areas.

Brand:
Performance Tool - Corporate Logo
ES#:
4371892
Mfg#:
W80533
Ships in 1 Business Day
$20.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Break-In Additive - 16oz

ES#2848016 - 81403 - Engine Break-In Additive - 16oz - Ensure long life of valvetrain components - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Ensure long life of valvetrain components

Brand:
Redline - Corporate Logo
ES#:
2848016
Mfg#:
81403
In Stock
$17.99 USD
Free Shipping
on orders $49 and up

Lisle 36mm Oil Filter Socket

ES#4362617 - 14500 - Lisle 36mm Oil Filter Socket - 36mm Low Profile Filter Socket. - Lisle - Audi BMW Volkswagen MINI Porsche

36mm Low Profile Filter Socket.

Brand:
Lisle - Corporate Logo
ES#:
4362617
Mfg#:
14500
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Filter

ES#240607 - 13321709535 - Fuel Filter - With internal pressure regulator. - Mahle - BMW

With internal pressure regulator.

Brand:
Mahle - Corporate Logo
ES#:
240607
Mfg#:
13321709535
Ships in 1 Business Day
$220.79

This product was last offered at the strikethrough price on
07-02-2026

$177.63 USD
Free Shipping

Performance Accessory Belt Kit - Kevlar Reinforced

ES#4736839 - 4PK863AKT - Performance Accessory Belt Kit - Kevlar Reinforced - Utilizes high quality components and our performance Kevlar reinforced belts - Assembled By ECS - BMW

Utilizes high quality components and our performance Kevlar reinforced belts 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
4736839
Mfg#:
4PK863AKT
In Stock
ON SALE! SAVE 30%
$254.99

This product was last offered at the strikethrough price on
06-10-2026

$177.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Service & Maintenance Parts

An ounce of prevention improves engine reliability and heads off big-ticket repairs. On average, the modest cost or periodic maintenance pays handsome rewards. Plan now to put your car on a regular schedule that includes fluid and filter changes, inspections, and recommended service.

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Manufacturer names and/or part numbers are used only for identification purposes.

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