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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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Ignition Coil - Priced Each

ES#3984374 - 11856T - Ignition Coil - Priced Each - Restore performance and fuel mileage - with spark plug boot - Bremi - BMW

Restore performance and fuel mileage - with spark plug boot

Brand:
Bremi - Corporate Logo
ES#:
3984374
Mfg#:
11856T
Ships in 1 day
$53.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Red Kevlar Accessory Belt - Water Pump/Alternator

ES#4661032 - 6PK1555 - ECS Red Kevlar Accessory Belt - Water Pump/Alternator - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - BMW
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with production date from 09/1991

Brand:
ECS - Corporate Logo
ES#:
4661032
Mfg#:
6PK1555
Ships on Nov 12, 2026
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lower Timing Chain Guide Rail

ES#4472573 - 11311726480 - Lower Timing Chain Guide Rail - Replacement guide rail for required maintenance - Bremmen Parts - BMW

Replacement guide rail for required maintenance 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4472573
Mfg#:
11311726480
In Stock
ON SALE! SAVE 20%
$19.37

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

$15.50 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

Aluminum Thermostat Housing

ES#205285 - 11531722531 - Aluminum Thermostat Housing - Aluminum construction for improved durability over stock design! For your M50, M52, S50, or S54 Engine. - URO Premium - BMW
ECS Tuning recommends this product.

Aluminum construction for improved durability over stock design! For your M50, M52, S50, or S54 Engine. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
URO Premium - Corporate Logo
ES#:
205285
Mfg#:
11531722531
In Stock
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay - White Green

ES#4940142 - 61368373700 - Relay - White Green - Replaces relays of the same color - Bremmen Parts - BMW MINI

Replaces relays of the same color 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940142
Mfg#:
61368373700
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oversize Valve Guide - Priced Each

ES#3522483 - 11121735533 - Oversize Valve Guide - Priced Each - 12.56x6.00mm - Canyon Engine - BMW

12.56x6.00mm

Brand:
Canyon Engine - Corporate Logo
ES#:
3522483
Mfg#:
11121735533
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2813461 - 11521719269 - Radiator Fan Clutch - Common source of engine overheating - Hamburg Tech - BMW

Common source of engine overheating We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813461
Mfg#:
11521719269
In Stock
$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Throttle Position Sensor

ES#3660593 - 13631710559 - Throttle Position Sensor - Restore driveability - Facet - BMW

Restore driveability

Brand:
Facet - Corporate Logo
ES#:
3660593
Mfg#:
13631710559
Ships in 3 Business Days
$89.99

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

$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Center Exhaust

ES#3451011 - 784903 - Center Exhaust - bmw e34 - all models (for s62 engine conversion) - Supersprint - BMW

bmw e34 - all models (for s62 engine conversion)

Brand:
Supersprint - Corporate Logo
ES#:
3451011
Mfg#:
784903
Ships on Dec 16, 2026
$1198.99 USD
Free Shipping

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 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
$299.00 USD
Free Shipping
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
17% off MSRP

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

$179.99

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

Fuel Filter

ES#3676691 - 4442559 - Fuel Filter - Keep your fuel system clean and debris free - Hengst - BMW
ECS Tuning recommends this product.

Keep your fuel system clean and debris free 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!

Brand:
Hengst - Corporate Logo
ES#:
3676691
Mfg#:
4442559
In Stock
$17.99 USD
Free Shipping
on orders $49 and up

Billet Aluminum Oil Filter Cap - Anodized Black

ES#4068737 - 005944LA01 - Billet Aluminum Oil Filter Cap - Anodized Black - Billet Aluminum upgrade that is an attractive upgrade for your engine bay! - ECS - BMW

Billet Aluminum upgrade that is an attractive upgrade for your engine bay! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4068737
Mfg#:
005944LA01
In Stock
ON SALE! SAVE 24%
$96.99

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

$74.10 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain - Lower

ES#4472568 - 11311432176 - Timing Chain - Lower - Keep your engine running properly - Bremmen Parts - BMW

Keep your engine running properly 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4472568
Mfg#:
11311432176
In Stock
ON SALE! SAVE 20%
$34.67

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

$27.74 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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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