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BMW E46 325i M54 2.5L

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BMW E46 325i M54 2.5L Engine Parts & Accessories

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Performance Main Bearing Set

ES#4364525 - MB7039XP - Performance Main Bearing Set - Performance engine bearing kit - King - BMW

Performance engine bearing kit

Brand:
King - Corporate Logo
ES#:
4364525
Mfg#:
MB7039XP
Back Ordered
13% off MSRP

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

$236.99

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

$205.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Timing Chain Tensioner

ES#3215707 - 11311738700 - Upper Timing Chain Tensioner - Guide used to tension the timing chain - Ina - BMW

Guide used to tension the timing chain We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3215707
Mfg#:
11311738700
In Stock
$56.20

This product was last offered at the strikethrough price on
07-23-2026

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cooling System Refresh Kit - Level 3

ES#2497309 - 17119071519KT4 - ECS Cooling System Refresh Kit - Level 3 - The ultimate cooling refresh kit - with OEM components - Genuine BMW - BMW

The <font color='red'> ultimate</font> cooling refresh kit - with OEM components For vehicles with automatic transmission only and production date from 09/2002

Brand:
Genuine BMW - Corporate Logo
ES#:
2497309
Mfg#:
17119071519KT4
Ships in 3 Business Days
$2312.99

This product was last offered at the strikethrough price on
07-22-2026

$2250.99 USD
This product is lifetime replacement eligible Partial Replacement

Cold Climate Oil Separator Kit - Level 2

ES#2603146 - 11617533400KT2 - Cold Climate Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance - Genuine BMW - BMW

A truly complete kit for oil separator system maintenance Superior performance for both warm and cold climates

Brand:
Genuine BMW - Corporate Logo
ES#:
2603146
Mfg#:
11617533400KT2
Ships in 1-2 days
$416.99

This product was last offered at the strikethrough price on
08-13-2026

$374.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Tensioner Assembly

ES#4505345 - 11311703746A - Timing Chain Tensioner Assembly - Includes a brand new piston, cylinder, spring, and washer! - Bremmen Parts - BMW

Includes a brand new piston, cylinder, spring, and washer! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4505345
Mfg#:
11311703746A
In Stock
ON SALE! SAVE 12%
$24.99

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

$22.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Idle Control Valve

ES#4689774 - 13411744713 - Idle Control Valve - An integral part of the air intake system - Bavarian Autosport - BMW

An integral part of the air intake system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4689774
Mfg#:
13411744713
In Stock
ON SALE! SAVE 15%
$154.99

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

$131.74 USD
Free Shipping
on orders $49 and up

Heavy Duty Ground Cable Upgrade (12421737755)

ES#4939982 - 059235LA01 - Heavy Duty Ground Cable Upgrade (12421737755) - Restore lasting electrical reliability to your E30, E36, or E46 with a high-quality, corrosion-proof ground strap engineered for long-term performance. - ECS - BMW

Restore lasting electrical reliability to your E30, E36, or E46 with a high-quality, corrosion-proof ground strap engineered for long-term performance. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4939982
Mfg#:
059235LA01
In Stock
ON SALE! SAVE 20%
$29.99

This product was last offered at the strikethrough price on
06-13-2026

$23.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Build-Your-Own E46 325/330 M54 Oil Change Kit

ES#3195822 - M50OCIPDK - Build-Your-Own E46 325/330 M54 Oil Change Kit - Select the oil and filter you want from many of the top brands! - Assembled By ECS - BMW

Select the oil and filter you want from many of the top brands! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3195822
Mfg#:
M50OCIPDK
In Stock
ON SALE!
Starting at $100.52 USD
Customize
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Fuel Hose

ES#33709 - 13537548987 - Fuel Hose - Feeds the fuel rail with gasoline - Genuine BMW - BMW

Feeds the fuel rail with gasoline

Brand:
Genuine BMW - Corporate Logo
ES#:
33709
Mfg#:
13537548987
In Stock
2% off MSRP

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

$89.99

This product was last offered at the strikethrough price on
10-12-2026

$87.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

E46 M52 M54 Silicone Radiator Hose Kit

ES#4142065 - 006205LA01 - E46 M52 M54 Silicone Radiator Hose Kit - Kit includes upper and lower radiator hoses without connections. Silicone hose upgrade and connectors kit ES4315269. - ECS - BMW

Kit includes upper and lower radiator hoses without connections. Silicone hose upgrade and connectors kit ES4315269. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
4142065
Mfg#:
006205LA01
In Stock
ON SALE! SAVE 25%
$160.99

This product was last offered at the strikethrough price on
06-13-2026

$120.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Secondary Air Pump

ES#2574864 - 11727571589 - Secondary Air Pump - Common source of emissons related issues - Pierburg - BMW
ECS Tuning recommends this product.

Common source of emissons related issues For vehicles with production date from 03/2003

Brand:
Pierburg - Corporate Logo
ES#:
2574864
Mfg#:
11727571589
In Stock
$378.04

This product was last offered at the strikethrough price on
05-13-2026

$358.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Gasket

ES#2574626 - 11127501304 - Cylinder Head Gasket - Just the head gasket - Elring - BMW

Just the head gasket 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2574626
Mfg#:
11127501304
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E46 Methanol Injection System

ES#3438868 - 14-003 - E46 Methanol Injection System - Reduce heat soak - Active Autowerke - BMW

Reduce heat soak

Brand:
Active Autowerke - Corporate Logo
ES#:
3438868
Mfg#:
14-003
Ships in 4 Business Days
$2137.00 USD
Free Shipping

Fuel Pump Assembly

ES#37448 - 16146766942 - Fuel Pump Assembly - Located in the fuel tank-includes fuel level sending unit - Genuine BMW - BMW

Located in the fuel tank-includes fuel level sending unit

Brand:
Genuine BMW - Corporate Logo
ES#:
37448
Mfg#:
16146766942
In Stock
Limited Qty Sale
$467.99

This product was last offered at the strikethrough price on
09-17-2026

$425.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Ignition Service Kit

ES#4758078 - 7599219T1KT - Performance Ignition Service Kit - Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and Turner Performance Ignition Coils - Assembled By ECS - BMW

Everything you need to service your ignition system including Bosch Platinum+4 spark plugs and Turner Performance Ignition Coils 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with production date up to 09/2002

Brand:
Assembled By ECS - Corporate Logo
ES#:
4758078
Mfg#:
7599219T1KT
In Stock
ON SALE!
$281.99

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

$265.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Timing Chain Tensioner

ES#4039816 - 11311738700 - Upper Timing Chain Tensioner - Guide used to tension the timing chain - Bavarian Autosport - BMW

Guide used to tension the timing chain 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4039816
Mfg#:
11311738700
In Stock
ON SALE! SAVE 20%
$49.99

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

$39.99 USD
Free Shipping
on orders $49 and up

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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