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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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Crankshaft Pulley With Vibration Damper

ES#2873649 - 11231438995 - Crankshaft Pulley With Vibration Damper - Reduces vibrations and connects accessories - Febi - BMW

Reduces vibrations and connects accessories affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873649
Mfg#:
11231438995
In Stock at Vendor
$178.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump

ES#2718928 - 11617545382 - Suction Pump - A common source for vacuum leaks - URO - BMW

A common source for vacuum leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2718928
Mfg#:
11617545382
In Stock
$59.62 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Kit

ES#4474057 - 11311703717KT - Timing Chain Kit - Refresh your Timing with quality parts! - Packaged by Turner - BMW

Refresh your Timing with quality parts! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Packaged by Turner - Corporate Logo
ES#:
4474057
Mfg#:
11311703717KT
Ships on Aug 14, 2026
Auto Notify
ON SALE! SAVE 33%
$109.99

This product was last offered at the strikethrough price on
05-28-2026

$74.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3 Pin Connector

ES#4772589 - 12521433915 - 3 Pin Connector - Includes connector housing with terminals and seals. Commonly used for the engine oil level sensor. - ECS - BMW

Includes connector housing with terminals and seals. Commonly used for the engine oil level sensor. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4772589
Mfg#:
12521433915
In Stock
ON SALE! SAVE 25%
$10.99

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

$8.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Transmission Mount Nut - Priced Each

ES#241278 - 07129904862 - Lower Transmission Mount Nut - Priced Each - Recommended replacement with motor mounts. - Genuine BMW - BMW MINI

Recommended replacement with motor mounts. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
241278
Mfg#:
07129904862
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plugs - Set Of Six

ES#2535359 - 12120037607KT - Spark Plugs - Set Of Six - OEM replacement spark plugs - Genuine BMW - BMW

OEM replacement spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2535359
Mfg#:
12120037607KT
In Stock
$221.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

"Cold Climate" Crankcase Pressure Regulator Valve Kit

ES#4783145 - 11617533400S1 - "Cold Climate" Crankcase Pressure Regulator Valve Kit - Replace your cracked breather hoses and crankcase pressure valve with all new components! - Hamburg Tech - BMW

Replace your cracked breather hoses and crankcase pressure valve with all new components! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat! Superior performance for both warm and cold climates

Brand:
Hamburg Tech - Corporate Logo
ES#:
4783145
Mfg#:
11617533400S1
In Stock
$110.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Fuel Injector Set

ES#3647690 - 13537546244sKT1 - Complete Fuel Injector Set - Includes new injector, fuel rail o-ring and injector holder - Assembled By ECS - BMW

Includes new injector, fuel rail o-ring and injector holder affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647690
Mfg#:
13537546244SKT1
Back Ordered
$889.99

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

$886.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M-Technic Supersprint Stainless Performance Muffler (2x76mm)

ES#3024737 - 785926 - M-Technic Supersprint Stainless Performance Muffler (2x76mm) - Developed specially for the M-Technic rear bumper - Supersprint - BMW

Developed specially for the M-Technic rear bumper affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For M-Technic Rear Bumper

Brand:
Supersprint - Corporate Logo
ES#:
3024737
Mfg#:
785926
Ships on Oct 12, 2026
$884.99 USD
Free Shipping

Coolant Expansion Tank

ES#3148869 - 17111436381 - Coolant Expansion Tank - Includes level sensor and cap! - Rein - BMW

Includes level sensor and cap! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3148869
Mfg#:
17111436381
In Stock
$87.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bavarian Autosport M52/M54/S52 Exact-Fit Rubber Vanos Line

ES#4362437 - 000932LA01-02 - Bavarian Autosport M52/M54/S52 Exact-Fit Rubber Vanos Line - Replace your failure prone factory Vanos line with a more durable, easy to install, and cost effective line! - Bavarian Autosport - BMW

Replace your failure prone factory Vanos line with a more durable, easy to install, and cost effective line! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4362437
Mfg#:
000932LA01-02
In Stock
ON SALE!
$65.99

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

$62.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 2

ES#3108048 - E46M54OSW3KT2 - Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance, Includes ECS F-Connector - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance, Includes ECS F-Connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3108048
Mfg#:
E46M54OSW3KT2
In Stock
ON SALE! SAVE 23%
$226.99

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

$174.78 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Aluminum Radiator

All metal high performance radiator for improved cooling performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with manual transmission

Brand:
Zionsville Autosport - Corporate Logo
ES#:
4500507
Mfg#:
RAD-TYPE6
Ships on Aug 4, 2026
$869.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Bearing Bridge - Intake

ES#18370 - 11121740428 - Camshaft Bearing Bridge - Intake - Used to encase the camshaft in the cylinder head - Genuine BMW - BMW

Used to encase the camshaft in the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
18370
Mfg#:
11121740428
Ships in 3 Business Days
6% off MSRP

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

$456.99

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

$430.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Suction Pump (Vacuum Pump)

ES#4845485 - 11617545382 - Suction Pump (Vacuum Pump) - A common source for vacuum leaks. Rein is an OE style brand that you can trust to replace components at a fraction of the cost. - Rein - BMW

A common source for vacuum leaks. Rein is an OE style brand that you can trust to replace components at a fraction of the cost. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4845485
Mfg#:
11617545382
In Stock
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Suction Jet Pump

ES#25798 - 11617545382 - Suction Jet Pump - A common source for vacuum leaks - Genuine BMW - BMW

A common source for vacuum leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
25798
Mfg#:
11617545382
Ships in 3 Business Days
2% off MSRP

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

$87.99

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

$85.99 USD
Free Shipping
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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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