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BMW E46 330xi M54 3.0L

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BMW E46 330xi M54 3.0L Emissions Component Maintenance Parts

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Oil Separator Kit - Level 1

ES#4349927 - 11617501566S1 - Oil Separator Kit - Level 1 - The most commonly replaced components in your breather system - Bremmen Parts - BMW

The most commonly replaced components in your breather system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4349927
Mfg#:
11617501566S1
In Stock
ON SALE!
$81.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#240368 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - Bosch - BMW
ECS Tuning recommends this product.

2 required in each application We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
240368
Mfg#:
11781742050
In Stock
$96.10

This product was last offered at the strikethrough price on
05-29-2026

$90.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

"Cold Climate" Crankcase Pressure Regulator Valve Kit

ES#4390746 - 11617533400S1 - "Cold Climate" Crankcase Pressure Regulator Valve Kit - Replace your cracked breather hoses and crankcase pressure valve with all new components! - Bremmen Parts - BMW

Replace your cracked breather hoses and crankcase pressure valve with all new components! 10X Entries Into Our F80 M3 Sweepstakes
Superior performance for both warm and cold climates

Brand:
Bremmen Parts - Corporate Logo
ES#:
4390746
Mfg#:
11617533400S1
In Stock
ON SALE!
$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

"Cold Climate" Crankcase Ventilation Valve Kit

ES#4782756 - 11617533400S1 - "Cold Climate" Crankcase Ventilation Valve Kit - Improved CCV hose and valve kit tailored for vehicles used in frigid temperatures! - Febi - BMW

Improved CCV hose and valve kit tailored for vehicles used in frigid temperatures! We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4782756
Mfg#:
11617533400S1
In Stock
$225.00

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

$180.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front or Rear Manifold

ES#261733 - 11787523434 - Oxygen Sensor - Front or Rear Manifold - Located in the front position of the exhaust manifold - Bosch - BMW

Located in the front position of the exhaust manifold We Price Match - Give Us A Call or Chat!
For vehicles with production date from 03/2003

Brand:
Bosch - Corporate Logo
ES#:
261733
Mfg#:
11787523434
In Stock
$203.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 2

ES#3108046 - e46m54osw2kt2 - Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance, Includes ECS F-Connector - Assembled By ECS - BMW

A truly complete kit for oil separator system maintenance, Includes ECS F-Connector 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3108046
Mfg#:
E46M54OSW2KT2
Ships in 6 Business Days
ON SALE!
$176.08

This product was last offered at the strikethrough price on
10-26-2026

$176.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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 Into Our F80 M3 Sweepstakes
Superior performance for both warm and cold climates

Brand:
Assembled By ECS - Corporate Logo
ES#:
2550206
Mfg#:
E46M54OSC2KT
Ships in 6 Business Days
ON SALE! SAVE 41%
$231.99

This product was last offered at the strikethrough price on
06-15-2026

$137.40 USD
Free Shipping
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 We Price Match - Give Us A Call or Chat!

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

Oxygen Sensor - Priced Each

ES#4870454 - 11781742050 - Oxygen Sensor - Priced Each - 2 required in each application - URO - BMW

2 required in each application 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4870454
Mfg#:
11781742050
In Stock
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 2

ES#3621813 - e46m54osw2kt3 - Oil Separator Kit - Level 2 - A truly complete kit for oil separator system maintenance, Includes ECS F-Connector - Genuine BMW - BMW

A truly complete kit for oil separator system maintenance, Includes ECS F-Connector

Brand:
Genuine BMW - Corporate Logo
ES#:
3621813
Mfg#:
E46M54OSW2KT3
Ships in 1-2 days
$359.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Rear Manifold

ES#261735 - 11787514927 - Oxygen Sensor - Rear Manifold - Located in the rear position of the exhaust manifold - Bosch - BMW

Located in the rear position of the exhaust manifold We Price Match - Give Us A Call or Chat!
For vehicles with production date from 03/2003

Brand:
Bosch - Corporate Logo
ES#:
261735
Mfg#:
11787514927
Ships in 1 Business Day
$142.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose Kit

ES#2785230 - 11617504535K - Crankcase Ventilation Hose Kit - Hose kit to perform a CCV refresh - Rein - BMW

Hose kit to perform a CCV refresh 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2785230
Mfg#:
11617504535K
Ships in 1 Business Day
$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Front Manifold

ES#261729 - 11787514926 - Oxygen Sensor - Front Manifold - Located in the rear position of the exhaust manifold - Bosch - BMW

Located in the rear position of the exhaust manifold We Price Match - Give Us A Call or Chat!
For vehicles with production date from 03/2003

Brand:
Bosch - Corporate Logo
ES#:
261729
Mfg#:
11787514926
Ships in 1-2 days
$161.66 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

"Cold Climate" Crankcase Pressure Regulator Valve Kit

ES#4783145 - 11617533400S1 - "Cold Climate" Crankcase Pressure Regulator Valve Kit - Replace your cracked breather hoses and crankcase pressure valve with all new components! - Hamburg Tech - BMW

Replace your cracked breather hoses and crankcase pressure valve with all new components! We Price Match - Give Us A Call or Chat! Superior performance for both warm and cold climates

Brand:
Hamburg Tech - Corporate Logo
ES#:
4783145
Mfg#:
11617533400S1
Ships in 1 Business Day
$110.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Separator Kit - Level 1

ES#260025 - e46m5411_61 - Oil Separator Kit - Level 1 - The most commonly replaced components in your breather system - Assembled By ECS - BMW

The most commonly replaced components in your breather system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
260025
Mfg#:
E46M5411_61
In Stock
ON SALE!
$93.71 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oxygen Sensor - Priced Each

ES#27153 - 11781433940 - Oxygen Sensor - Priced Each - 2 Required in each application - Genuine BMW - BMW

2 Required in each application

Brand:
Genuine BMW - Corporate Logo
ES#:
27153
Mfg#:
11781433940
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.

$404.99

This product was last offered at the strikethrough price on
10-31-2026

$380.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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