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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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Cold Climate Oil Separator Kit - Level 2

ES#2603034 - E46M54OSC3KT - Cold Climate Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance 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#:
2603034
Mfg#:
E46M54OSC3KT
Ships on Jul 6, 2026
Auto Notify
ON SALE!
$160.99

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

$160.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Universal 3-Jaw Adjustable Oil Filter Wrench

ES#2748752 - 006212SCH01A - Universal 3-Jaw Adjustable Oil Filter Wrench - Use on to remove spin-on type filters from 2-1/2" to 3-3/4" (63.5-95mm). 3/8" square drive works with 3/8" ratchet or extension. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Use on to remove spin-on type filters from 2-1/2" to 3-3/4" (63.5-95mm). 3/8" square drive works with 3/8" ratchet or extension. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2748752
Mfg#:
006212SCH01A
Ships on Aug 4, 2026
Auto Notify
ON SALE! SAVE 30%
$26.99

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

$18.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

5" Diameter Funnel With 24" Flexible Neck

ES#1899403 - PJ-3A11 - 5" Diameter Funnel With 24" Flexible Neck - Flexible hose funnel fits where you need it to - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Flexible hose funnel fits where you need it to affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
1899403
Mfg#:
PJ-3A11
In Stock
ON SALE! SAVE 41%
$33.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement Fuel Filter Element - Single Open 6 Micron

ES#4883025 - 101-0257 - Replacement Fuel Filter Element - Single Open 6 Micron - Filter for Inline Fuel Filter AN8 Single In/Out unit - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Filter for Inline Fuel Filter AN8 Single In/Out unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883025
Mfg#:
101-0257
In Stock
$52.99

This product was last offered at the strikethrough price on
01-22-2026

$49.99 USD
Free Shipping
on orders $49 and up

Pento High Performance II Engine Oil (5w-40) - 1 Liter

ES#608 - PEN 5W40 SYNTH - Pento High Performance II Engine Oil (5w-40) - 1 Liter - The latest version of one of the world's best all around synthetic engine oils - Pentosin - Audi BMW Volkswagen Mercedes Benz Porsche

The latest version of one of the world's best all around synthetic engine oils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pentosin - Corporate Logo
ES#:
608
Mfg#:
PEN 5W40 SYNTH
In Stock
$14.99

This product was last offered at the strikethrough price on
02-26-2026

$13.99 USD
Free Shipping
on orders $49 and up

Oxygen Sensor - Priced Each

ES#4870454 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - URO - BMW

2 required in each application affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4870454
Mfg#:
11781742050
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cold Climate Oil Separator Kit - Level 2

ES#2603146 - 11617533400KT2 - Cold Climate Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance - Genuine BMW - BMW

A truly complete kit for oil separator system maintenance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2603146
Mfg#:
11617533400KT2
Ships in 3 Business Days
$397.99

This product was last offered at the strikethrough price on
05-27-2026

$373.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Radiator Cleaner - 300mL

ES#3195914 - 2051 - Radiator Cleaner - 300mL - Used to clean out your cooling system and restore efficiency - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI

Used to clean out your cooling system and restore efficiency 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! This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship

Brand:
Liqui-Moly - Corporate Logo
ES#:
3195914
Mfg#:
2051
In Stock
ON SALE! SAVE 10%
$10.39

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

$9.35 USD
Free Shipping
on orders $49 and up

Air Filter

ES#11014 - 13721730946 - Air Filter - Protect your engine, improve performance - Mann - BMW

Protect your engine, improve performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mann - Corporate Logo
ES#:
11014
Mfg#:
13721730946
In Stock
$21.11

This product was last offered at the strikethrough price on
03-23-2026

$21.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Clean Oil Funnel Kit

ES#4745354 - AGA-COFK - Universal Clean Oil Funnel Kit - A universal clean oil funnel kit that will prevent leaks and spills while servicing your oil. - AGA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

A universal clean oil funnel kit that will prevent leaks and spills while servicing your oil. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AGA Tools - Corporate Logo
ES#:
4745354
Mfg#:
AGA-COFK
In Stock
$99.99 USD
Free Shipping
on orders $49 and up

Engine Oil (5w-50) - 1 Gallon

ES#2847830 - 11605 - Engine Oil (5w-50) - 1 Gallon - Popular for performance engines in high-temperature climates - Redline - BMW Mercedes Benz MINI Porsche

Popular for performance engines in high-temperature climates affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
2847830
Mfg#:
11605
Back Ordered
Auto Notify
$69.99 USD
Free Shipping
on orders $49 and up

Ignition Service Kit

ES#2597316 - 12131712219KT1 - Ignition Service Kit - Everything you need to service your ignition system including Bosch ignition coils and Bosch Platinum+4 spark plugs - Assembled By ECS - BMW

Everything you need to service your ignition system including Bosch ignition coils and Bosch Platinum+4 spark plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
2597316
Mfg#:
12131712219KT1
In Stock
$253.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Special Tec LL 5W-30 Motor Oil - Case Of 12

ES#4027377 - 2248/12KT - Special Tec LL 5W-30 Motor Oil - Case Of 12 - Liqui-Moly - BMW

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#:
4027377
Mfg#:
2248/12KT
In Stock
ON SALE!
$125.99

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

$121.87 USD
Free Shipping
on orders $49 and up

Borescope Inspection Camera For Phone

ES#4830634 - PH0NEBORESCOPE - Borescope Inspection Camera For Phone - Get a borescope to see the problem yourself without tearing apart your car for the wrong problem. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Get a borescope to see the problem yourself without tearing apart your car for the wrong problem. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
4830634
Mfg#:
PH0NEBORESCOPE
In Stock
ON SALE!
$58.99

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

$57.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Large Fluid Drain Pan - 15 Liter

ES#3673870 - B8800011 - Large Fluid Drain Pan - 15 Liter - The perfect oil change/ trans flush companion. - Bav Auto Tools - Audi BMW Volkswagen MINI Porsche
ECS Tuning recommends this product.

The perfect oil change/ trans flush companion. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673870
Mfg#:
B8800011
Ships on Jul 6, 2026
Auto Notify
ON SALE! SAVE 25%
$33.99

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

$25.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

UV / LED Flashlight

ES#3469564 - UVFLASHLIGHT - UV / LED Flashlight - Check for leaks when used with Molygen oil! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Check for leaks when used with Molygen oil! 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#:
3469564
Mfg#:
UVFLASHLIGHT
In Stock
ON SALE! SAVE 11%
$7.99

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

$7.12 USD
Free Shipping
on orders $49 and up

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.

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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