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BMW E46 330i M54 3.0L

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BMW E46 330i M54 3.0L Engine Parts & Accessories

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Cold Climate Oil Separator Kit - Level 2

ES#2550206 - E46M54OSC2KT - Cold Climate Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance 10X Entries For Our 25th Anniversary Sweepstakes!
Superior performance for both warm and cold climates

Brand:
Assembled By ECS - Corporate Logo
ES#:
2550206
Mfg#:
E46M54OSC2KT
In Stock
ON SALE! SAVE 48%
$261.99

This product was last offered at the strikethrough price on
02-03-2026

$137.46 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine And Transmission Mount Kit

ES#5435233 - 30001-10002 - Engine And Transmission Mount Kit - Keep your engine and transmission securely mounted - Hamburg Tech - BMW

Keep your engine and transmission securely mounted

Brand:
Hamburg Tech - Corporate Logo
ES#:
5435233
Mfg#:
30001-10002
In Stock
$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Cover Beauty Cap - Priced Each

ES#18267 - 11121726089 - Engine Cover Beauty Cap - Priced Each - Used to cover the securing hardware for the engine cover - Genuine BMW - BMW

Used to cover the securing hardware for the engine cover 2 required per cover, used on both engine covers

Brand:
Genuine BMW - Corporate Logo
ES#:
18267
Mfg#:
11121726089
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Position Sensor

ES#4316513 - 12141709616 - Crankshaft Position Sensor - Does not include O-ring - Bremmen Parts - BMW

Does not include O-ring 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4316513
Mfg#:
12141709616
In Stock
ON SALE! SAVE 10%
$39.99

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

$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BMW M54 Upgrade Head Stud Set - Burnished

ES#4883292 - P102031410 - BMW M54 Upgrade Head Stud Set - Burnished - Wagner Tuning offers these to support big power gains and keep your M54 engine running well. - Wagner Tuning - BMW

Wagner Tuning offers these to support big power gains and keep your M54 engine running well.

Brand:
Wagner Tuning - Corporate Logo
ES#:
4883292
Mfg#:
P102031410
Ships in 5 Business Days
$499.00 USD
Free Shipping
on orders $49 and up
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 For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3195822
Mfg#:
M50OCIPDK
In Stock
ON SALE!
Starting at $99.10 USD
Customize
Free Shipping
This product is lifetime replacement eligible Partial Replacement

ECS Cooling System Refresh Kit - Level 1

ES#2063865 - ECSE461711-1 - ECS Cooling System Refresh Kit - Level 1 - Contains the components that commonly fail in your cooling system - featuring aftermarket contents and ECS aluminum pulley - Assembled By ECS - BMW

Contains the components that commonly fail in your cooling system - featuring aftermarket contents and ECS aluminum pulley 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2063865
Mfg#:
ECSE461711-1
In Stock
ON SALE!
$438.99

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

$398.55 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Fuel Pump Relay - 4 Prong

ES#3024042 - 61311373585 - Fuel Pump Relay - 4 Prong - A failed fuel pump relay will prevent your BMW from running - Bosch - BMW

A failed fuel pump relay will prevent your BMW from running 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3024042
Mfg#:
61311373585
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

New Water Pump - With O-Ring

ES#259608 - 11517527910 - New Water Pump - With O-Ring - Featuring a metal impeller - Hepu - BMW

Featuring a metal impeller

Brand:
Hepu - Corporate Logo
ES#:
259608
Mfg#:
11517527910
In Stock
$68.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor

ES#31859 - 12617508003 - Oil Level Sensor - Includes sealing o-ring - Genuine BMW - BMW

Includes sealing o-ring

Brand:
Genuine BMW - Corporate Logo
ES#:
31859
Mfg#:
12617508003
Ships in 1-2 days
6% off MSRP

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

$349.99

This product was last offered at the strikethrough price on
07-31-2026

$329.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Seal Washer - Priced Each

ES#1876905 - 11121437395 - Valve Cover Seal Washer - Priced Each - Rubber sealing washer underneath valve cover securing nut - Genuine BMW - BMW

Rubber sealing washer underneath valve cover securing nut

Brand:
Genuine BMW - Corporate Logo
ES#:
1876905
Mfg#:
11121437395
In Stock
$2.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#252546 - 11781433940 - Oxygen Sensor - Priced Each - 2 Required in each application - Bosch - BMW
ECS Tuning recommends this product.

2 Required in each application 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date up to 03/2003

Brand:
Bosch - Corporate Logo
ES#:
252546
Mfg#:
11781433940
In Stock
$147.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rotrex Traction Fluid - One Liter

ES#3438857 - 12-032 - Rotrex Traction Fluid - One Liter - Replacement traction fluid for your supercharger - Active Autowerke - BMW

Replacement traction fluid for your supercharger

Brand:
Active Autowerke - Corporate Logo
ES#:
3438857
Mfg#:
12-032
Ships in 1 Business Day
$240.00 USD
Free Shipping
on orders $49 and up

Relay - Black

ES#169416 - 61366901469 - Relay - Black - For mutiple locations in the fuse box. - Genuine BMW - BMW MINI

For mutiple locations in the fuse box.

Brand:
Genuine BMW - Corporate Logo
ES#:
169416
Mfg#:
61366901469
In Stock
3% 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
07-31-2026

$23.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor O-Ring

ES#31851 - 12611744292 - Oil Level Sensor O-Ring - Used to seal sensor to the oil pan - Genuine BMW - BMW

Used to seal sensor to the oil pan

Brand:
Genuine BMW - Corporate Logo
ES#:
31851
Mfg#:
12611744292
In Stock
$9.99

This product was last offered at the strikethrough price on
03-04-2026

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Intake Boot

ES#34025 - 13541438761 - Air Intake Boot - Connects mass airflow sensor to air intake tube - Genuine BMW - BMW

Connects mass airflow sensor to air intake tube

Brand:
Genuine BMW - Corporate Logo
ES#:
34025
Mfg#:
13541438761
In Stock
$40.99 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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