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BMW E34 525i M20 2.5L

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BMW E34 525i M20 2.5L Engine Mechanical Parts

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Valve Cover Sealing Washer - priced each

ES#2710098 - 11121437395 - Valve Cover Sealing Washer - priced each - Rubber sealing washer underneath valve cover securing nut - URO - BMW

Rubber sealing washer underneath valve cover securing nut 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2710098
Mfg#:
11121437395
In Stock
$1.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pan Gasket

ES#18924 - 11131437237 - Oil Pan Gasket - Metal / Rubber gasket - Genuine BMW - BMW

Metal / Rubber gasket

Brand:
Genuine BMW - Corporate Logo
ES#:
18924
Mfg#:
11131437237
In Stock
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ARP Cylinder Head Stud Kit

ES#2992013 - 201-4305 - ARP Cylinder Head Stud Kit - Stud conversion set up with 12 point fastening nuts - ARP - BMW

Stud conversion set up with 12 point fastening nuts 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
2992013
Mfg#:
201-4305
In Stock
$271.99

This product was last offered at the strikethrough price on
07-10-2026

$271.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Cylinder Head Basic Replacement Kit

ES#2918762 - 11121707032-2KT - Complete Cylinder Head Basic Replacement Kit - Everything you will need to do a head service on your BMW - Assembled By ECS - BMW

Everything you will need to do a head service on your BMW 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2918762
Mfg#:
11121707032-2KT
Ships in 6 Business Days
ON SALE!
$1615.99

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

$1601.17 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

M50TU/M52 S50/S52 Single Vanos Billet Valve Cover

ES#4759177 - 030358LA - M50TU/M52 S50/S52 Single Vanos Billet Valve Cover - The holy grail of valve covers offering superior reliability equipped for hot turbo applications and eliminates the need for replacement ever again. - Turner Motorsport - BMW

The holy grail of valve covers offering superior reliability equipped for hot turbo applications and eliminates the need for replacement ever again. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4759177
Mfg#:
030358LA
In Stock
Starting at $1575.99 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Main Bearing Set

ES#4364525 - MB7039XP - Performance Main Bearing Set - Performance engine bearing kit - King - BMW

Performance engine bearing kit

Brand:
King - Corporate Logo
ES#:
4364525
Mfg#:
MB7039XP
Back Ordered
Auto Notify
$309.99

This product was last offered at the strikethrough price on
07-08-2026

$203.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hollow Bolt

ES#2597888 - 32416852469 - Hollow Bolt - M14x1.5x26 - Genuine BMW - BMW

M14x1.5x26

Brand:
Genuine BMW - Corporate Logo
ES#:
2597888
Mfg#:
32416852469
In Stock
9% off MSRP

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

$20.41

This product was last offered at the strikethrough price on
07-22-2026

$18.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 10 Row

ES#2764288 - MM0CU - Universal Oil Cooler - 10 Row - Upgrading cooling for your engine oil - Mishimoto - Audi BMW Volkswagen MINI

Upgrading cooling for your engine oil For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764288
Mfg#:
MM0CU
In Stock at Vendor
$410.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

"Yellow" Main Bearing Set

ES#2986415 - 11211706847 - "Yellow" Main Bearing Set - Standard size, single tang uppers with double tang lowers - Kolbenschmidt - BMW
ECS Tuning recommends this product.

Standard size, single tang uppers with double tang lowers

Brand:
Kolbenschmidt - Corporate Logo
ES#:
2986415
Mfg#:
11211706847
In Stock
$110.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal

ES#19419 - 11142249533 - Rear Crankshaft Seal - Replace when doing a clutch job. - Genuine BMW - BMW

Replace when doing a clutch job.

Brand:
Genuine BMW - Corporate Logo
ES#:
19419
Mfg#:
11142249533
In Stock
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Ring - Priced Each

ES#54259 - 32411093596 - Sealing Ring - Priced Each - 14x20 - Genuine BMW - BMW MINI

14x20

Brand:
Genuine BMW - Corporate Logo
ES#:
54259
Mfg#:
32411093596
In Stock
7% off MSRP

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

$2.94

This product was last offered at the strikethrough price on
07-22-2026

$2.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bearing Set

ES#2996646 - 11241284849 - Connecting Rod Bearing Set - Standard bore - 45mm - Kolbenschmidt - BMW
ECS Tuning recommends this product.

Standard bore - 45mm

Brand:
Kolbenschmidt - Corporate Logo
ES#:
2996646
Mfg#:
11241284849
In Stock
$77.11

This product was last offered at the strikethrough price on
02-20-2026

$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal Oil Cooler - 19 Row

ES#2764082 - MM0CUL - Universal Oil Cooler - 19 Row - Serious engine oil cooling for the most demanding engines - Mishimoto - Audi BMW Volkswagen MINI

Serious engine oil cooling for the most demanding engines For custom applications only. Not a direct bolt on.

Brand:
Mishimoto - Corporate Logo
ES#:
2764082
Mfg#:
MM0CUL
In Stock at Vendor
$536.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Mechanical Parts

Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.

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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