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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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Spark Plug Socket 16MM 12 Point Swivel

Use for cars requiring Swivel Spark Plug Socket 16MM or brisk plugs 6 point affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

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

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

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 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 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#:
3673888
Mfg#:
B8800032
Ships in 10 Business Days
Auto Notify
ON SALE! SAVE 30%
$37.99

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

$26.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Kingsborne High-Performance Ignition Wire Set

ES#3024402 - 12-7757P-8 - Kingsborne High-Performance Ignition Wire Set - 8mm ignition wires constructed from premium materials. - Kingsborne - BMW

8mm ignition wires constructed from premium materials. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Kingsborne - Corporate Logo
ES#:
3024402
Mfg#:
12-7757P-8
Ships on Jun 23, 2026
$176.99 USD
Free Shipping
on orders $49 and up

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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 27%
$90.99

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

$66.02 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Inline Fuel Filter AN8 Single In/Out - 6 Micron Filter

ES#4883024 - 501-0115 - Inline Fuel Filter AN8 Single In/Out - 6 Micron Filter - This fuel filter features a precision machined aluminum body and fittings - Precision Raceworks - Audi BMW Volkswagen Mercedes Benz MINI Porsche

This fuel filter features a precision machined aluminum body and fittings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4883024
Mfg#:
501-0115
Ships in 5 Business Days
$178.99

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

$169.99 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! 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#:
3514566
Mfg#:
20132
In Stock
28% off MSRP

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

$15.95

This product was last offered at the strikethrough price on
06-04-2026

$11.49 USD
Free Shipping
on orders $49 and up

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

Brand:
CATACLEAN - Corporate Logo
ES#:
4147385
Mfg#:
120007
In Stock
13% off MSRP

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

$31.99

This product was last offered at the strikethrough price on
06-04-2026

$27.99 USD
Free Shipping

OBDeleven Carry Pouch

ES#3978987 - CARRY-POUCH - OBDeleven Carry Pouch - Safely holds your OBDeleven device when not in use. - OBDeleven - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Safely holds your OBDeleven device when not in use. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
OBDeleven - Corporate Logo
ES#:
3978987
Mfg#:
CARRY-POUCH
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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

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

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

Brand:
Sunex - Corporate Logo
ES#:
3127223
Mfg#:
367132D
Ships in 9 Business Days
Auto Notify
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
06-04-2026

$15.95 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary 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

Leichtlauf High Tech Engine Oil (5W-40) - 20 Liters

ES#4375825 - 20122 - Leichtlauf High Tech Engine Oil (5W-40) - 20 Liters - Fully synthetic, all-season motor oil for superior performance and long engine life - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Fully synthetic, all-season motor oil for superior performance and long engine life 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#:
4375825
Mfg#:
20122
Ships in 1-2 days
30% off MSRP

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

$315.95

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

$220.00 USD
Free Shipping
on orders $49 and up

Engine Oil Drain Plug Washer - Priced Each

ES#1894125 - 07119963129 - Engine Oil Drain Plug Washer - Priced Each - One time use only - Genuine BMW - BMW

One time use only affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
1894125
Mfg#:
07119963129
In Stock
$0.89 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
K&N - Corporate Logo
ES#:
11614
Mfg#:
33-2059
Ships in 4 Business Days
$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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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