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BMW E30 325i M20 2.5L

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BMW E30 325i M20 2.5L Engine Mechanical Parts

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Valve Guide - Standard Size

ES#4067166 - 11121280523.513 - Valve Guide - Standard Size - Replace your worn valve guides. - Canyon Engine - BMW

Replace your worn valve guides. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Canyon Engine - Corporate Logo
ES#:
4067166
Mfg#:
11121280523.513
In Stock at Vendor
$10.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring - Priced Per Piston

ES#2803784 - 11251713192 - Piston Ring - Priced Per Piston - For use on stock pistons, will need 6 sets to replace all piston rings in the engine - Rein - BMW

For use on stock pistons, will need 6 sets to replace all piston rings in the engine 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#:
2803784
Mfg#:
11251713192
Ships in 3 Business Days
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring

ES#19567 - 11151714390 - O-Ring - Oil return line - Genuine BMW - BMW
ECS Tuning recommends this product.

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

Brand:
Genuine BMW - Corporate Logo
ES#:
19567
Mfg#:
11151714390
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rocker Arm - Priced Each

ES#22540 - 11331271429 - Rocker Arm - Priced Each - Helps to quiet valve train - Genuine BMW - BMW

Helps to quiet valve train affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
22540
Mfg#:
11331271429
Ships in 1-2 days
$59.99

This product was last offered at the strikethrough price on
01-07-2026

$59.97 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

King Performance BMW S54 Main Bearings - .25 Oversize

ES#4756556 - MB7039AM0.25 - King Performance BMW S54 Main Bearings - .25 Oversize - .25+ Oversize - King - BMW

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

Brand:
King - Corporate Logo
ES#:
4756556
Mfg#:
MB7039AM0.25
Ships in 6 Business Days
$178.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Blue Bearing Shell - Priced Each

ES#20615 - 11241284850 - Blue Bearing Shell - Priced Each - Blue 45mm (0.0) - Genuine BMW - BMW

Blue 45mm (0.0) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
20615
Mfg#:
11241284850
In Stock
ON SALE! SAVE 21%
$37.99

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

$29.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Seal Installer

ES#4405506 - 83300490475KT - Crankshaft Seal Installer - Used to install rear main seal to the proper depth - Genuine BMW - BMW

Used to install rear main seal to the proper depth affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4405506
Mfg#:
83300490475KT
Ships in 1-2 days
$177.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"White" Crankshaft Bearing Shell - Set

ES#2593089 - 11211706849 - "White" Crankshaft Bearing Shell - Set - Standard bore - Glyco - BMW

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

Brand:
Glyco - Corporate Logo
ES#:
2593089
Mfg#:
11211706849
Back Ordered
$177.99

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

$172.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Drain Plug With Crush Washer

ES#10323 - 11131273093kt - Oil Drain Plug With Crush Washer - Includes drain plug gasket - Assembled By ECS - BMW MINI

Includes drain plug gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
10323
Mfg#:
11131273093KT
In Stock
ON SALE! SAVE 25%
$7.04

This product was last offered at the strikethrough price on
02-16-2026

$5.25 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

ES#3499497 - 11127509328 - Oil Cap - Includes the sealing gasket - Rein - BMW

Includes the sealing gasket 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#:
3499497
Mfg#:
11127509328
In Stock
ON SALE!
$6.51

This product was last offered at the strikethrough price on
06-25-2026

$6.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Gasket

ES#2744279 - 11121722737 - Cylinder Head Gasket - Just the head gasket - Genuine BMW - BMW

Just the head gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
2744279
Mfg#:
11121722737
Back Ordered
5% off MSRP

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

$172.99

This product was last offered at the strikethrough price on
07-06-2026

$164.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Spring - Outer (30.2 mm Diameter)

ES#22826 - 11341706583 - Valve Spring - Outer (30.2 mm Diameter) - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
22826
Mfg#:
11341706583
In Stock at Vendor
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Cap Wrench - 76mm x 14 Flute

ES#4336817 - CTA2481 - Oil Filter Cap Wrench - 76mm x 14 Flute - Service the most stubborn Oil Filters and Housings - CTA Tools - Audi BMW Volkswagen Mercedes Benz Porsche

Service the most stubborn Oil Filters and Housings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTA Tools - Corporate Logo
ES#:
4336817
Mfg#:
CTA2481
Ships in 10 Business Days
Auto Notify
$9.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E60 M5 Pressure Test Adaptor

ES#246322 - 83300496326 - E60 M5 Pressure Test Adaptor - A quick and easy way to test for gasket leaks - Genuine BMW - BMW

A quick and easy way to test for gasket leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
246322
Mfg#:
83300496326
Ships in 1-2 days
$77.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Piston Ring Set (83.98 mm, Standard)

ES#3038942 - 11251713192 - Piston Ring Set (83.98 mm, Standard) - Goetze - BMW

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

Brand:
Goetze - Corporate Logo
ES#:
3038942
Mfg#:
11251713192
Ships in 1-2 days
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AAF Oil Pan Baffle - E30 M5x

Prevent oil starvation! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles with M50/M52/S50/S52

Brand:
Advanced Auto Fabrication - Corporate Logo
ES#:
4501368
Mfg#:
116182
Ships in 4 Business Days
$155.00 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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