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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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Genuine BMW Oil Change Kit / Inspection I

ES#2535567 - M50OCI - Genuine BMW Oil Change Kit / Inspection I - Everything you'll need to do a basic oil change including a new drain plug - Genuine BMW - BMW

Everything you'll need to do a basic oil change including a new drain plug affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Featuring the standard synthetic oil BMW engineers had in mind

Brand:
Genuine BMW - Corporate Logo
ES#:
2535567
Mfg#:
M50OCI
In Stock
$131.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Top Tec 4110 Engine Oil (5w-40) - 1 Liter

ES#4152100 - 22120 - Top Tec 4110 Engine Oil (5w-40) - 1 Liter - Great for both gasoline and diesel engines! - Liqui-Moly - BMW Porsche

Great for both gasoline and diesel engines! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4152100
Mfg#:
22120
In Stock
29% off MSRP

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

$16.99

This product was last offered at the strikethrough price on
05-14-2026

$11.99 USD
Free Shipping
on orders $49 and up

OBDII USB Diagnostic Cable

ES#6928 - vt1a0003 - OBDII USB Diagnostic Cable - Universal USB diagnostic cable - download FTDI USB drivers found under learn more - ECS - Audi BMW Volkswagen

Universal USB diagnostic cable - download FTDI USB drivers found under learn more affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
6928
Mfg#:
VT1A0003
Ships on Nov 17, 2026
ON SALE! SAVE 25%
$73.99

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

$55.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Kevlar Reinforced Accessory Belt - A/C - M52TU M54

ES#4661018 - 5PK863 - Performance Kevlar Reinforced Accessory Belt - A/C - M52TU M54 - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - BMW
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with production date up to 09/2002

Brand:
ECS - Corporate Logo
ES#:
4661018
Mfg#:
5PK863
In Stock
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drain Plug Sealing Washer

ES#15787 - 07119963151 - Drain Plug Sealing Washer - A12x17-CU - Genuine BMW - BMW MINI

A12x17-CU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
15787
Mfg#:
07119963151
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2588232 - 12120037607IGKT - Ignition Service Kit - Everything you need to service your ignition system - Genuine BMW - BMW

Everything you need to service your ignition system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
2588232
Mfg#:
12120037607IGKT
Ships on Dec 31, 2026
$1050.99

This product was last offered at the strikethrough price on
05-21-2026

$1042.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Dipstick O-Ring

ES#24205 - 11431740045 - Dipstick O-Ring - Used to seal the dipstick tube to the oil pan - Genuine BMW - BMW

Used to seal the dipstick tube to the oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
24205
Mfg#:
11431740045
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner

ES#2696132 - 11281717188 - Hydraulic Alternator Belt Tensioner - Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner - Ina - BMW

Hydraulic tensioner for alternator belt, ideal for servicing high mileage tensioner affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
2696132
Mfg#:
11281717188
Ships in 1-2 days
$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2893822 - 11527505302 - Radiator Fan Clutch - Common source of engine overheating - Meyle - BMW
ECS Tuning recommends this product.

Common source of engine overheating 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:
Meyle - Corporate Logo
ES#:
2893822
Mfg#:
11527505302
Ships on Aug 3, 2026
Auto Notify
$101.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Pulley

ES#3499769 - 11511436590 - Water Pump Pulley - A common failing piece due to the plastic design. - Rein - BMW

A common failing piece due to the plastic design. 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#:
3499769
Mfg#:
11511436590
In Stock
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#3023872 - 17111742231 - Expansion Tank Cap - Replace when performing cooling service. - Mahle-Behr - BMW

Replace when performing cooling service. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mahle-Behr - Corporate Logo
ES#:
3023872
Mfg#:
17111742231
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Chain

ES#2631389 - 11417576915 - Oil Pump Chain - Responsible for driving the oil pump - Iwis - BMW

Responsible for driving the oil pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Iwis - Corporate Logo
ES#:
2631389
Mfg#:
11417576915
In Stock
$45.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Alternator Belt Tensioner Assembly

ES#2873679 - 11287838797 - Hydraulic Alternator Belt Tensioner Assembly - Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley - Febi - BMW
ECS Tuning recommends this product.

Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley 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#:
2873679
Mfg#:
11287838797
Ships on Oct 6, 2026
$83.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain - Upper

ES#4689988 - 11311432177 - Timing Chain - Upper - Replacement timing chain for required maintenance - Bavarian Autosport - BMW

Replacement timing chain for required maintenance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4689988
Mfg#:
11311432177
In Stock
ON SALE! SAVE 20%
$27.99

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

$22.39 USD
Free Shipping
on orders $49 and up

Upper Timing Chain Guide Rail

ES#4759205 - 11311722651 - Upper Timing Chain Guide Rail - Replacement guide rail for required maintenance - Bremmen Parts - BMW

Replacement guide rail for required maintenance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759205
Mfg#:
11311722651
Ships on Aug 14, 2026
Auto Notify
ON SALE! SAVE 19%
$20.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

6mm Intake Valve Stem Seal - Polyacrylic - Priced Each

ES#3129395 - VS-VBM6I - 6mm Intake Valve Stem Seal - Polyacrylic - Priced Each - The perfect seal for repairing, replacing, or upgrading your valves and stem seals! - Supertech - Audi BMW Volkswagen

The perfect seal for repairing, replacing, or upgrading your valves and stem seals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
3129395
Mfg#:
VS-VBM6I
In Stock
$1.99 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.

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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