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BMW E34 525i M20 2.5L

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BMW E34 525i M20 2.5L Engine Service & Maintenance Parts

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Radiator Relief Flush

ES#2608077 - 040202 - Radiator Relief Flush - Concentrated cleansing agent that effectively cleans your cooling system! - DEI - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Concentrated cleansing agent that effectively cleans your cooling system!

Brand:
DEI - Corporate Logo
ES#:
2608077
Mfg#:
040202
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Socket 32mm

ES#3127223 - 367132D - Oil Filter Socket 32mm - Make oil filter housing removal simple - Sunex - Audi BMW Volkswagen MINI

Make oil filter housing removal simple

Brand:
Sunex - Corporate Logo
ES#:
3127223
Mfg#:
367132D
Back Ordered
6% off MSRP

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

$17.00

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

$15.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Fill Funnel

ES#3673888 - B8800032 - Oil Fill Funnel - Installs directly in place of the oil filler cap to ensure a leak free oil pour - Bav Auto Tools - BMW MINI
ECS Tuning recommends this product.

Installs directly in place of the oil filler cap to ensure a leak free oil pour 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673888
Mfg#:
B8800032
In Stock
ON SALE! SAVE 25%
$37.99

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

$28.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Liqui Moly MolyGen Oil Change Kit / Inspection I

ES#3470583 - M20IN1mgKT - Liqui Moly MolyGen Oil Change Kit / Inspection I - Includes five quarts of Liqui Moly MolyGen 5w-40 semi-synthetic engine oil, Mann oil filter and new drain plug - Assembled By ECS - BMW

Includes five quarts of Liqui Moly MolyGen 5w-40 semi-synthetic engine oil, Mann oil filter and new drain plug 10X Entries Into Our F80 M3 Sweepstakes
Next generation synthetic oil with up to 15% lower coefficient of friction. Glows green under UV light fo

Brand:
Assembled By ECS - Corporate Logo
ES#:
3470583
Mfg#:
M20IN1MGKT
In Stock
ON SALE! SAVE 19%
$90.99

This product was last offered at the strikethrough price on
05-15-2026

$73.58 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Oil Reminder Sticker - Pack Of 10

ES#2808806 - 009012ecs0110KT - Oil Reminder Sticker - Pack Of 10 - Be sure to remind yourself when it will be time to order again from ECS Tuning - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Be sure to remind yourself when it will be time to order again from ECS Tuning 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2808806
Mfg#:
009012ECS0110KT
In Stock
ON SALE! SAVE 25%
$26.99

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

$20.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spark Plug Socket 16MM 12 Point Swivel

ES#3604875 - CTA4329 - Spark Plug Socket 16MM 12 Point Swivel - Use for cars requiring Swivel Spark Plug Socket 16MM or brisk plugs 6 point - CTA Tools - Audi BMW Volkswagen MINI Porsche

Use for cars requiring Swivel Spark Plug Socket 16MM or brisk plugs 6 point

Brand:
CTA Tools - Corporate Logo
ES#:
3604875
Mfg#:
CTA4329
In Stock
$24.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Feeler Gauge Set

ES#2804279 - 8568A11 - Feeler Gauge Set - Feel thickness gauge, .002-.025 inch thickness - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Feel thickness gauge, .002-.025 inch thickness 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2804279
Mfg#:
8568A11
In Stock
ON SALE!
$22.99

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

$21.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Filter - Priced Each

ES#11614 - 33-2059 - Air Filter - Priced Each - Drop-in high performance air filter with a million mile warranty! - K&N - BMW

Drop-in high performance air filter with a million mile warranty!

Brand:
K&N - Corporate Logo
ES#:
11614
Mfg#:
33-2059
In Stock
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

5" Diameter Funnel With 12" Flexible Neck

ES#1899379 - PJ-3 - 5" Diameter Funnel With 12" Flexible Neck - Versatile funnel with removable flex hose fits where you need it to - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Versatile funnel with removable flex hose fits where you need it to 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
1899379
Mfg#:
PJ-3
In Stock
ON SALE! SAVE 45%
$19.99

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

$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mobil 1 Engine Oil (0w-40) - 1 Quart

ES#2575992 - 00004330316KT - Mobil 1 Engine Oil (0w-40) - 1 Quart - Full synthetic API SN oil approved by most Euro OEM's including VW/Audi 502.00/505.00, Porsche A40, and MB 229.3/229.5. - Mobil1 - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Full synthetic API SN oil approved by most Euro OEM's including VW/Audi 502.00/505.00, Porsche A40, and MB 229.3/229.5.

Brand:
Mobil1 - Corporate Logo
ES#:
2575992
Mfg#:
00004330316KT
In Stock
$12.99

This product was last offered at the strikethrough price on
09-01-2026

$12.79 USD
Free Shipping
on orders $49 and up

Spark Plug Gapper

ES#4336973 - CTA3235 - Spark Plug Gapper - Always check gap on your new spark plugs - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Always check gap on your new spark plugs

Brand:
CTA Tools - Corporate Logo
ES#:
4336973
Mfg#:
CTA3235
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CATACLEAN - The Original Science

ES#4147385 - 120007 - CATACLEAN - The Original Science - Patented & EPA approved Complete Engine, Fuel and Exhaust System Cleaner Reduces Emissions and Improves Overall Engine Performance! - CATACLEAN - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Patented & EPA approved Complete Engine, Fuel and Exhaust System Cleaner Reduces Emissions and Improves Overall Engine Performance!

Brand:
CATACLEAN - Corporate Logo
ES#:
4147385
Mfg#:
120007
In Stock
12% off MSRP

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

$32.99

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

$28.99 USD
Free Shipping

Synthoil Energy Engine Oil A40 (0w-40) - Case Of 12

ES#4027378 - 2049/12KT - Synthoil Energy Engine Oil A40 (0w-40) - Case Of 12 - Liqui-Moly - BMW

10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4027378
Mfg#:
2049/12KT
In Stock
$185.99

This product was last offered at the strikethrough price on
09-01-2026

$170.99 USD
Free Shipping
on orders $49 and up

Radiator Stop-Leak - 250mL

ES#3514566 - 20132 - Radiator Stop-Leak - 250mL - Put a stop to that coolant leak! - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Put a stop to that coolant leak! 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3514566
Mfg#:
20132
In Stock
38% 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
08-31-2026

$10.50 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.

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

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