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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 Bolt Seal - Set of 15

ES#3673833 - B32352 - Valve Cover Bolt Seal - Set of 15 - To be replaced when dry, cracked, or leaking. - Victor Reinz - BMW

To be replaced when dry, cracked, or leaking.

Brand:
Victor Reinz - Corporate Logo
ES#:
3673833
Mfg#:
B32352
In Stock
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Sump/Oil Pan Plug

ES#4731975 - MMR03-0504 - Magnetic Sump/Oil Pan Plug - Removes metal particles suspended in your engine oil - MMX Performance - BMW MINI

Removes metal particles suspended in your engine oil

Brand:
MMX Performance - Corporate Logo
ES#:
4731975
Mfg#:
MMR03-0504
In Stock
$37.99 USD
Free Shipping
on orders $49 and up

Universal Oil Cooler - 19 Row, with Thermostat

ES#2764437 - MM0CULT - Universal Oil Cooler - 19 Row, with Thermostat - 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#:
2764437
Mfg#:
MM0CULT
In Stock at Vendor
$599.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Rod Bearing Set - Standard Set

ES#4364526 - CR6640XP - Performance Rod Bearing Set - Standard Set - Upgrade your Rod Bearings to a performance oriented option! - King - BMW

Upgrade your Rod Bearings to a performance oriented option!

Brand:
King - Corporate Logo
ES#:
4364526
Mfg#:
CR6640XP
In Stock at Vendor
$163.99

This product was last offered at the strikethrough price on
05-21-2026

$148.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E34 Oil Pump

ES#23545 - 11411740155 - E34 Oil Pump - Keep your engine well lubricated - Genuine BMW - BMW

Keep your engine well lubricated

Brand:
Genuine BMW - Corporate Logo
ES#:
23545
Mfg#:
11411740155
Ships in 1 day
$1151.99

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

$1118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Seal Washer - Priced Each

ES#2581843 - 11121437395 - Valve Cover Seal Washer - Priced Each - Rubber sealing washer underneath valve cover securing nut - Elring - BMW
ECS Tuning recommends this product.

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:
Elring - Corporate Logo
ES#:
2581843
Mfg#:
11121437395
In Stock
$2.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rocker Arm - Priced Each

ES#2867111 - 11331271429 - Rocker Arm - Priced Each - Broken rocker arms are a real concern. Replace your broken arm or preventatively replace all of them. - Febi - BMW
ECS Tuning recommends this product.

Broken rocker arms are a real concern. Replace your broken arm or preventatively replace all of them. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2867111
Mfg#:
11331271429
In Stock
$33.99

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

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug

ES#251918 - 11137535106 - Oil Drain Plug - Includes crush washer - Assembled By ECS - BMW

Includes crush washer 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
251918
Mfg#:
11137535106
In Stock
ON SALE! SAVE 28%
$8.99

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

$6.50 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

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

Front Main Crankshaft Seal

ES#19418 - 11142249532 - Front Main Crankshaft Seal - Replace your leaking crankshaft seal - Genuine BMW - BMW

Replace your leaking crankshaft seal

Brand:
Genuine BMW - Corporate Logo
ES#:
19418
Mfg#:
11142249532
In Stock
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head - Bare

ES#2918684 - 11121707032 - Cylinder Head - Bare - Bare head, guides and seats only - AMC - BMW

Bare head, guides and seats only

Brand:
AMC - Corporate Logo
ES#:
2918684
Mfg#:
11121707032
Ships on Aug 14, 2026
$999.00 USD

13 Piece 3/8" Drive Triple Square Driver Set

ES#4829902 - XZN100A - 13 Piece 3/8" Drive Triple Square Driver Set - Make sure you have the essential tools for a German vehicle, like these triple square drivers. - VIM Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Make sure you have the essential tools for a German vehicle, like these triple square drivers.

Brand:
VIM Tools - Corporate Logo
ES#:
4829902
Mfg#:
XZN100A
In Stock
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connecting Rod Bolt - Priced Each

ES#20676 - 11241713342 - Connecting Rod Bolt - Priced Each - Two required per connecting rod - Genuine BMW - BMW

Two required per connecting rod

Brand:
Genuine BMW - Corporate Logo
ES#:
20676
Mfg#:
11241713342
In Stock
$10.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schrick performance Valve Spring Set

ES#3025537 - 005602022-062 - Schrick performance Valve Spring Set - Tougher valve spring to support higher lift - Schrick - BMW

Tougher valve spring to support higher lift

Brand:
Schrick - Corporate Logo
ES#:
3025537
Mfg#:
005602022-062
Ships on Nov 9, 2026
$917.99 USD
Free Shipping
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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