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BMW E34 525i M20 2.5L

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BMW E34 525i M20 2.5L Engine Parts & Accessories

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Oil Pan Gasket

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

Metal / Rubber gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Density Line Performance Transmission Mount Set

ES#3143399 - 034-509-4050-SD - Density Line Performance Transmission Mount Set - Increase performance and durability without sacrificing comfort - an ECS Tuning exclusive! - 034Motorsport - BMW

Increase performance and durability without sacrificing comfort - an ECS Tuning exclusive! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3143399
Mfg#:
034-509-4050-SD
In Stock
ON SALE! SAVE 10%
$66.00

This product was last offered at the strikethrough price on
06-28-2026

$59.40 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
2992013
Mfg#:
201-4305
In Stock at Vendor
$271.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lightweight AGM Battery

ES#3617613 - B3121 - Lightweight AGM Battery - Perfect upgrade to get rid of a troublesome Lead-Acid battery and add both power and reliability at the same time! - Braille - BMW

Perfect upgrade to get rid of a troublesome Lead-Acid battery and add both power and reliability at the same time! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Braille - Corporate Logo
ES#:
3617613
Mfg#:
B3121
Ships in 6 Business Days
$270.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Euro-Series Engine Oil (5w-40) - 1 Quart

ES#2847841 - 12404 - Euro-Series Engine Oil (5w-40) - 1 Quart - Ideally suited for modern gasoline and diesel engines with multi-valve and turbocharging technology - Redline - Audi BMW Volkswagen

Ideally suited for modern gasoline and diesel engines with multi-valve and turbocharging technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
2847841
Mfg#:
12404
In Stock
$18.20 USD
Free Shipping
on orders $49 and up

Fuel Hose - 1 Meter

ES#212712 - 16121180409 - Fuel Hose - 1 Meter - 8X13MM - Genuine BMW - BMW

8X13MM affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
212712
Mfg#:
16121180409
In Stock
$48.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Timing Belt Kit - Level 2

ES#260747 - m20_11 - Ultimate Timing Belt Kit - Level 2 - Replace your water pump and thermostat with your timing belt! - Assembled By ECS - BMW

Replace your water pump and thermostat with your timing belt! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 09/1987

Brand:
Assembled By ECS - Corporate Logo
ES#:
260747
Mfg#:
M20_11
Back Ordered
Auto Notify
ON SALE! SAVE 11%
$227.99

This product was last offered at the strikethrough price on
04-21-2026

$202.41 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

MS3Pro PnP Plug And Play ECU - BMW E30 325i / E32 / E34 1987-1993

ES#4643183 - MSPNPPro-B8793 - MS3Pro PnP Plug And Play ECU - BMW E30 325i / E32 / E34 1987-1993 - Replace your ECU with a tunable racing ECU from MegaSquirt! - MegaSquirt - BMW

Replace your ECU with a tunable racing ECU from MegaSquirt! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MegaSquirt - Corporate Logo
ES#:
4643183
Mfg#:
MSPNPPRO-B8793
Ships in 6 Business Days
$1149.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay - White Green

ES#169431 - 61368373700 - Relay - White Green - Replaces relays of the same color - Genuine BMW - BMW MINI

Replaces relays of the same color affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
169431
Mfg#:
61368373700
In Stock
4% off MSRP

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

$24.65

This product was last offered at the strikethrough price on
05-04-2026

$23.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Crankshaft Seal

ES#3478278 - 11142249533 - Rear Crankshaft Seal - Replace when doing a clutch job. - Elring - BMW

Replace when doing a clutch job. 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:
Elring - Corporate Logo
ES#:
3478278
Mfg#:
11142249533
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MoS2 Antifriction Engine Oil (20w-50) - 5 Liter

ES#4305241 - 22072 - MoS2 Antifriction Engine Oil (20w-50) - 5 Liter - Suited for older generation air and watercooled gasoline solid lifter engines, with or without turbochargers - Liqui-Moly - BMW Porsche

Suited for older generation air and watercooled gasoline solid lifter engines, with or without turbochargers 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#:
4305241
Mfg#:
22072
In Stock
37% off MSRP

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

$63.95

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

$39.99 USD
Free Shipping
on orders $49 and up

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 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#:
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

$1599.39 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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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

Radiator Fan Clutch

ES#2992106 - 11521723918 - Radiator Fan Clutch - Quality aftermarket replacement - Meyle - BMW

Quality aftermarket replacement 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:
Meyle - Corporate Logo
ES#:
2992106
Mfg#:
11521723918
In Stock
$108.99

This product was last offered at the strikethrough price on
06-22-2026

$89.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Genuine BMW Rear Main/Crankshaft Seal Kit

ES#4758131 - 11142247867KT3 - Genuine BMW Rear Main/Crankshaft Seal Kit - Common leakage point at rear of engine - Genuine BMW - BMW

Common leakage point at rear of engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
4758131
Mfg#:
11142247867KT3
In Stock
$142.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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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