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BMW E34 525i M50 2.5L

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BMW E34 525i M50 2.5L Engine Parts & Accessories

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Thermostat - 88°C

ES#2712859 - 11537511580 - Thermostat - 88C - Includes sealing O-ring gasket - Vemo - BMW

Includes sealing O-ring gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
2712859
Mfg#:
11537511580
In Stock at Vendor
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electrical Connector Housing

ES#31304 - 12521707283 - Electrical Connector Housing - The housing for a 20 pin connector - Genuine BMW - BMW

The housing for a 20 pin connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
31304
Mfg#:
12521707283
Ships Today
ON SALE!
$19.99

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

$19.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bearing Shell - Red

ES#20614 - 11241284849 - Bearing Shell - Red - Genuine BMW - BMW

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

Brand:
Genuine BMW - Corporate Logo
ES#:
20614
Mfg#:
11241284849
In Stock
ON SALE! SAVE 18%
$48.99

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

$40.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MSPNP And DIYPNP IAT Sensor Kit – Aluminum Bung

ES#4390909 - PNP_IAT-A - MSPNP And DIYPNP IAT Sensor Kit Aluminum Bung - This is a simple kit to make it easier for you when removing your AFM/MAF when using a MegaSquirt ECU - MegaSquirt - BMW

This is a simple kit to make it easier for you when removing your AFM/MAF when using a MegaSquirt ECU affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MegaSquirt - Corporate Logo
ES#:
4390909
Mfg#:
PNP_IAT-A
Ships in 1-2 days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hydraulic Lifter - Priced Each

ES#2867100 - 11321739299 - Hydraulic Lifter - Priced Each - Replaces noisy or stuck lifters - Febi - BMW

Replaces noisy or stuck lifters 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#:
2867100
Mfg#:
11321739299
Ships on Oct 1, 2026
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VANOS Oil Line

ES#2702265 - 11361703464 - VANOS Oil Line - Replacement VANOS oil line - Cohline - BMW

Replacement VANOS oil line affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Cohline - Corporate Logo
ES#:
2702265
Mfg#:
11361703464
In Stock at Vendor
$79.80

This product was last offered at the strikethrough price on
07-03-2026

$79.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turner Performance Chip

ES#3026046 - 413-250 - Turner Performance Chip - Wake up your BMW with dyno-proven gains by Jim Conforti - +22HP +20LB/FT - Turner Conforti Performance Chips - BMW

Wake up your BMW with dyno-proven gains by Jim Conforti - +22HP +20LB/FT affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with production date from 01/1995

Brand:
Turner Conforti Performance Chips - Corporate Logo
ES#:
3026046
Mfg#:
413-250
In Stock
ON SALE! SAVE 20%
$299.00

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

$239.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#2836994 - 17111737760kt2KT - Cooling System Refresh Kit - Level 1 - Stop your cooling problems before they start - featuring a GEBA water pump and an aluminum thermostat housing - Assembled By ECS - BMW

Stop your cooling problems before they start - featuring a GEBA water pump and an aluminum thermostat housing 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#:
2836994
Mfg#:
17111737760KT2KT
Ships in 10 Business Days
ON SALE! SAVE 10%
$264.99

This product was last offered at the strikethrough price on
02-27-2026

$238.48 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Alternator Pulley

ES#29373 - 12311432988 - Alternator Pulley - Genuine BMW replacement alternator pulley. - Genuine BMW - BMW

Genuine BMW replacement alternator pulley. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
29373
Mfg#:
12311432988
Ships in 4 Business Days
3% off MSRP

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

$122.99

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

$118.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Camshaft Position Sensor

ES#4070248 - 12141726548 - Camshaft Position Sensor - Hella - BMW

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

Brand:
Hella - Corporate Logo
ES#:
4070248
Mfg#:
12141726548
In Stock at Vendor
$83.99

This product was last offered at the strikethrough price on
05-18-2026

$78.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Starter

ES#2724206 - 12411740379ktbKT - Remanufactured Starter - Remanufactured unit, $52 refundable core charge included in price. - Bosch - BMW

Remanufactured unit, $52 refundable core charge included in price. 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! Does not have threaded mounting holes.

Brand:
Bosch - Corporate Logo
ES#:
2724206
Mfg#:
12411740379KTBKT
In Stock
$234.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Chain

ES#4759350 - 11417576915 - Oil Pump Chain - Responsible for driving the oil pump - Bremmen Parts - BMW

Responsible for driving the oil pump affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759350
Mfg#:
11417576915
Ships on Aug 14, 2026
Auto Notify
ON SALE! SAVE 23%
$18.99

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

$14.68 USD
Free Shipping
on orders $49 and up

Turner Performance Chip

ES#3136944 - 405-000 - Turner Performance Chip - Wake up your BMW with dyno-proven gains by Jim Conforti - +20HP +13LB/FT - Turner Conforti Performance Chips - BMW

Wake up your BMW with dyno-proven gains by Jim Conforti - +20HP +13LB/FT affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with production date up to 08/1992 and ECU

Brand:
Turner Conforti Performance Chips - Corporate Logo
ES#:
3136944
Mfg#:
405-000
In Stock
ON SALE! SAVE 74%
$299.00

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

$78.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose - Return

ES#24907 - 11531720524 - Cooling Hose - Return - OEM replacement hose - Genuine BMW - BMW

OEM replacement hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Attached to the return outlet of the heater core

Brand:
Genuine BMW - Corporate Logo
ES#:
24907
Mfg#:
11531720524
Ships in 5 Business Days
$77.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4781604 - 01399791390PKT2 - Performance Ignition Service Kit - Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and Bav Auto ignition coils - Assembled By ECS - BMW

Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and Bav Auto ignition coils 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#:
4781604
Mfg#:
01399791390PKT2
Ships on Nov 27, 2026
Auto Notify
ON SALE! SAVE 19%
$284.99

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

$231.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

USB To Serial Adapter

ES#4390908 - USB-2920 - USB To Serial Adapter - Used with your MegaSquirt ECU! - MegaSquirt - BMW

Used with your MegaSquirt ECU! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MegaSquirt - Corporate Logo
ES#:
4390908
Mfg#:
USB-2920
Ships in 1-3 days
$28.99 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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