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BMW E34 525i M20 2.5L

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BMW E34 525i M20 2.5L Engine Gaskets & Seals

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Thermostat O-Ring

ES#3449329 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Victor Reinz - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
3449329
Mfg#:
N90136802
In Stock
$3.99

This product was last offered at the strikethrough price on
03-15-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Gasket

ES#2777897 - 11121722735 - Cylinder Head Gasket - Just the head gasket. 2.05mm (+0.3) - Victor Reinz - BMW

Just the head gasket. 2.05mm (+0.3) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2777897
Mfg#:
11121722735
Ships in 4 Business Days
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring

ES#2802072 - 11151714390 - O-Ring - Oil return line - Rein - BMW

Oil return line 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#:
2802072
Mfg#:
11151714390
In Stock
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring

ES#31818 - 12611277129 - O-Ring - Found on your oil level sensor in the oil pan - Genuine BMW - BMW

Found on your oil level sensor in the oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31818
Mfg#:
12611277129
Ships in 1-2 days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Seal - Front

ES#2873630 - 11141275466 - Crankshaft Seal - Front - Should be replaced each time the crank pulley is removed - Febi - BMW

Should be replaced each time the crank pulley is removed 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#:
2873630
Mfg#:
11141275466
Ships on Sep 18, 2026
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Gasket

ES#3022533 - 11621728489 - Exhaust Manifold Gasket - 2 required per vehicle - Ajusa - BMW

2 required per vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ajusa - Corporate Logo
ES#:
3022533
Mfg#:
11621728489
Ships in 4 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Gasket

ES#2652153 - 11531748047 - Thermostat Gasket - Seals thermostat to engine - Victor Reinz - BMW

Seals thermostat to engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with production date up to 05/1992

Brand:
Victor Reinz - Corporate Logo
ES#:
2652153
Mfg#:
11531748047
In Stock at Vendor
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring

ES#2628343 - 17211742635 - O-Ring - 9.25x1.78/FPM - Victor Reinz - BMW

9.25x1.78/FPM affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2628343
Mfg#:
17211742635
In Stock at Vendor
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cover

ES#18947 - 11131717720 - Cover - Seals the oil pan from dirt and debris. - Genuine BMW - BMW

Seals the oil pan from dirt and debris. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
18947
Mfg#:
11131717720
Ships in 1-2 days
10% off MSRP

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

$9.99

This product was last offered at the strikethrough price on
06-21-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Gasket

ES#2873611 - 11121730229 - Valve Cover Gasket - Stop those annoying leaks in your engine bay - Febi - BMW

Stop those annoying leaks in your engine bay 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#:
2873611
Mfg#:
11121730229
Ships on Sep 18, 2026
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Gasket Ring - Pack Of 25

ES#2538045 - 07119963201kt - Gasket Ring - Pack Of 25 - A14x18-CU - Genuine BMW - BMW

A14x18-CU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2538045
Mfg#:
07119963201KT
In Stock
$48.99

This product was last offered at the strikethrough price on
03-27-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intake Gasket - Priced Each

ES#2162466 - 11611726010 - Intake Gasket - Priced Each - 4 required - Victor Reinz - BMW

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

Brand:
Victor Reinz - Corporate Logo
ES#:
2162466
Mfg#:
11611726010
In Stock at Vendor
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan Gasket - Cork

ES#257642 - 11131730234 - Oil Pan Gasket - Cork - Stop those annoying oil leaks - Febi - BMW

Stop those annoying oil 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:
Febi - Corporate Logo
ES#:
257642
Mfg#:
11131730234
Ships on Sep 18, 2026
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Body Gasket

ES#2597246 - 13541289576 - Throttle Body Gasket - Seals the throttle body to the intake manifold - Original Equipment Supplier - BMW

Seals the throttle body to the intake manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
2597246
Mfg#:
13541289576
Back Ordered
$19.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Seal (48 X 65 X 10)

ES#2581340 - 11141275466 - Crankshaft Seal (48 X 65 X 10) - Should be replaced each time the crank pulley is removed - SKF - BMW

Should be replaced each time the crank pulley is removed affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Front

Brand:
SKF - Corporate Logo
ES#:
2581340
Mfg#:
11141275466
In Stock at Vendor
$8.99

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

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Gaskets & Seals

In addition to traditional cut and stamped gaskets for everything from water pumps to cylinder heads, ECS Tuning stocks state-of-the-art gasket sealers in a tube, designed to work with modern original equipment designs to prevent both vacuum and fluid leaks.

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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