Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply
affirm financing terms & conditions

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW E34 525i M20 2.5L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
affirm financing terms & conditions
garage-red
Your Vehicle BMW E34 525i M20 2.5L
Your Vehicle BMW E34 525i M20 2.5L
Change Clear

BMW E34 525i M20 2.5L Engine Parts & Accessories

Sort By
Filter By
Return to Top

Engine Temperature Sensor

ES#2534319 - 13621284397 - Engine Temperature Sensor - 2-pin with black connector - URO - BMW Volkswagen Porsche

2-pin with black connector 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:
URO - Corporate Logo
ES#:
2534319
Mfg#:
13621284397
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cap

ES#2813266 - 11121743294 - Oil Cap - Includes the sealing gasket - Hamburg Tech - BMW

Includes the sealing gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813266
Mfg#:
11121743294
In Stock at Vendor
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Engine Beauty Cover Mount - Priced Each

ES#4316562 - 11121730356 - Rubber Engine Beauty Cover Mount - Priced Each - 2 required per car - URO - BMW

2 required per car 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:
URO - Corporate Logo
ES#:
4316562
Mfg#:
11121730356
Ships on Aug 3, 2026
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Nut

ES#2626466 - 11331744333 - Hex Nut - Used on rocker arm eccentric - Febi - BMW

Used on rocker arm eccentric 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#:
2626466
Mfg#:
11331744333
In Stock
Limited Qty Sale
$3.99

This product was last offered at the strikethrough price on
04-10-2026

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Positive Battery Terminal Cover

ES#30180 - 12421718209 - Positive Battery Terminal Cover - Plastic cover for the positive terminal on your battery - Genuine BMW - BMW

Plastic cover for the positive terminal on your battery affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
30180
Mfg#:
12421718209
Ships in 1-2 days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E34 Alternator Boot

ES#29423 - 12311710514 - E34 Alternator Boot - Rubber boot that connects to the alternator - Genuine BMW - BMW

Rubber boot that connects to the alternator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
29423
Mfg#:
12311710514
Ships in 1-2 days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sender

ES#2873944 - 12621747281 - Coolant Temperature Sender - 2 pin - Febi - BMW

2 pin 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!
For vehicles with production date from 09/1992

Brand:
Febi - Corporate Logo
ES#:
2873944
Mfg#:
12621747281
Back Ordered
Auto Notify
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E34 Coolant Hose

ES#3235125 - 11531287651 - E34 Coolant Hose - From water pump to thermostat housing - Gates - BMW

From water pump to thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3235125
Mfg#:
11531287651
Back Ordered
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose - Molded

ES#3235156 - 11531718982 - Coolant Hose - Molded - Connects between the Water pump and the thermostat - Gates - BMW

Connects between the Water pump and the thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3235156
Mfg#:
11531718982
Back Ordered
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Sealing Gasket - 14x1.5

ES#4733559 - 07119963200 - Aluminum Sealing Gasket - 14x1.5 - A14x18-AL used on various engine plugs, bolts, and other hardware. - Vemo - BMW

A14x18-AL used on various engine plugs, bolts, and other hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
4733559
Mfg#:
07119963200
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

Pin - Priced Each

ES#20441 - 11231263911 - Pin - Priced Each - Acts as a dowel for the crank pulley - Genuine BMW - BMW

Acts as a dowel for the crank pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
20441
Mfg#:
11231263911
Ships in 1-2 days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Timing Cover Gasket

ES#2608565 - 11141720903 - Lower Timing Cover Gasket - Seals lower timing cover to the engine block - Victor Reinz - BMW

Seals lower timing cover to the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2608565
Mfg#:
11141720903
In Stock at Vendor
$5.99

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

$5.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spacer - Pack Of 10

ES#2602191 - 61211350825KT - Spacer - Pack Of 10 - Keep the battery secure - Genuine BMW - BMW

Keep the battery secure affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For touring models only

Brand:
Genuine BMW - Corporate Logo
ES#:
2602191
Mfg#:
61211350825KT
Ships in 1-2 days
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve Collet - Pack Of 10

ES#2718022 - 11341307136KT - Valve Collet - Pack Of 10 - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
2718022
Mfg#:
11341307136KT
Ships in 1-2 days
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Piston

ES#23764 - 11421271320 - Piston - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
23764
Mfg#:
11421271320
Ships in 5 Business Days
9% off MSRP

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

$10.99

This product was last offered at the strikethrough price on
07-09-2026

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Sealing O-Ring

ES#38540 - 17211712965 - Expansion Tank Sealing O-Ring - Seals the expansion tank to the base of the radiator - Genuine BMW - BMW

Seals the expansion tank to the base of the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
38540
Mfg#:
17211712965
In Stock
17% off MSRP

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

$5.99

This product was last offered at the strikethrough price on
05-22-2026

$4.99 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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings