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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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Rear Crankshaft Seal

ES#19419 - 11142249533 - Rear Crankshaft Seal - Replace when doing a clutch job. - Genuine BMW - BMW

Replace when doing a clutch job.

Brand:
Genuine BMW - Corporate Logo
ES#:
19419
Mfg#:
11142249533
In Stock
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Inlet Pipe

ES#4069336 - 11531705210 - Heater Inlet Pipe - Runs from the front left side of the engine to the heater inlet - Rein - BMW

Runs from the front left side of the engine to the heater inlet We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4069336
Mfg#:
11531705210
In Stock
$42.39 USD
Free Shipping
on orders $49 and up

"Yellow" Main Bearing Set

ES#2986415 - 11211706847 - "Yellow" Main Bearing Set - Standard size, single tang uppers with double tang lowers - Kolbenschmidt - BMW
ECS Tuning recommends this product.

Standard size, single tang uppers with double tang lowers

Brand:
Kolbenschmidt - Corporate Logo
ES#:
2986415
Mfg#:
11211706847
In Stock
$110.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mechanical Alternator Belt Tensioner Assembly

ES#2162740 - 11281427252 - Mechanical Alternator Belt Tensioner Assembly - Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. - Ina - BMW
ECS Tuning recommends this product.

Tensions the belt connecting the water pump, alternator, and power steering pump. Includes roller. We Price Match - Give Us A Call or Chat!
For vehicles with automatic transmission only

Brand:
Ina - Corporate Logo
ES#:
2162740
Mfg#:
11281427252
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch

ES#34327 - 13621433077 - Auxiliary Fan Switch - Comes with related o-ring - Genuine BMW - BMW MINI

Comes with related o-ring

Brand:
Genuine BMW - Corporate Logo
ES#:
34327
Mfg#:
13621433077
In Stock
16% off MSRP

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

$66.05

This product was last offered at the strikethrough price on
08-22-2026

$55.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Installation Kit

ES#2975759 - 11120141055 - Cylinder Head Installation Kit - Choose a head gasket to make this a complete top end kit - Elring - BMW

Choose a head gasket to make this a complete top end kit We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/2002

Brand:
Elring - Corporate Logo
ES#:
2975759
Mfg#:
11120141055
In Stock
ON SALE! SAVE 22%
$327.99

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

$256.07 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hollow Bolt

ES#2597888 - 32416852469 - Hollow Bolt - M14x1.5x26 - Genuine BMW - BMW

M14x1.5x26

Brand:
Genuine BMW - Corporate Logo
ES#:
2597888
Mfg#:
32416852469
In Stock
9% off MSRP

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

$20.41

This product was last offered at the strikethrough price on
08-22-2026

$18.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Blade

ES#2534633 - 11521712058 - Fan Blade - Replace your brittle fan before it sends a blade through your radiator - URO - BMW

Replace your brittle fan before it sends a blade through your radiator We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534633
Mfg#:
11521712058
In Stock
$32.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant/Antifreeze - 1 Liter

ES#2178666 - 82142209769 - Coolant/Antifreeze - 1 Liter - Smaller bottle than a usual jug - great to throw in the trunk! - Genuine BMW - BMW

Smaller bottle than a usual jug - great to throw in the trunk! For Vehicles Made Pre-2018

Brand:
Genuine BMW - Corporate Logo
ES#:
2178666
Mfg#:
82142209769
In Stock
$10.60 USD
Free Shipping
on orders $49 and up

Performance Main Bearing Set

ES#4364525 - MB7039XP - Performance Main Bearing Set - Performance engine bearing kit - King - BMW

Performance engine bearing kit

Brand:
King - Corporate Logo
ES#:
4364525
Mfg#:
MB7039XP
Back Ordered
Auto Notify
$309.99

This product was last offered at the strikethrough price on
07-08-2026

$203.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E39 Fuel Pump

ES#2816701 - 16146752368 - E39 Fuel Pump - Replaces just the part that failed - the pump. Made in Germany! - Pierburg - BMW

Replaces just the part that failed - the pump. Made in Germany!

Brand:
Pierburg - Corporate Logo
ES#:
2816701
Mfg#:
16146752368
Ships in 1-2 days
$213.99

This product was last offered at the strikethrough price on
03-21-2026

$160.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Roller

ES#2137092 - 11281748131 - Hydraulic Alternator Belt Tensioner Roller - Replacement is recommend with every belt service - Ina - BMW
ECS Tuning recommends this product.

Replacement is recommend with every belt service We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2137092
Mfg#:
11281748131
In Stock
$20.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine And Transmission Mount Kit

ES#5435233 - 30001-10002 - Engine And Transmission Mount Kit - Keep your engine and transmission securely mounted - Hamburg Tech - BMW

Keep your engine and transmission securely mounted

Brand:
Hamburg Tech - Corporate Logo
ES#:
5435233
Mfg#:
30001-10002
In Stock
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Ring - Priced Each

ES#54259 - 32411093596 - Sealing Ring - Priced Each - 14x20 - Genuine BMW - BMW MINI

14x20 Sealing washer for oil line

Brand:
Genuine BMW - Corporate Logo
ES#:
54259
Mfg#:
32411093596
In Stock
7% off MSRP

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

$2.94

This product was last offered at the strikethrough price on
08-22-2026

$2.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Exact-Fit High Flow Air Filter - Dry

ES#4461001 - 012054LA08-DRY - ECS Exact-Fit High Flow Air Filter - Dry - High flow filter replacement to get your engine breathing better than new! - ECS - BMW

High flow filter replacement to get your engine breathing better than new!

Brand:
ECS - Corporate Logo
ES#:
4461001
Mfg#:
012054LA08-DRY
In Stock
ON SALE! SAVE 25%
$71.99

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

$53.99 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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