Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

BMW E46 328Ci M52 2.8L

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle BMW E46 328Ci M52 2.8L
Your Vehicle BMW E46 328Ci M52 2.8L
Change Clear

BMW E46 328Ci M52 2.8L Oil Separator Parts

Sort By
Filter By
Return to Top

Return Pipe

ES#4304670 - 11617504536 - Return Pipe - Runs from the intake manifold back to connecting hose - Bavarian Autosport - BMW

Runs from the intake manifold back to connecting hose 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 01/2000

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4304670
Mfg#:
11617504536
In Stock
ON SALE! SAVE 20%
$26.99

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

$21.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#4316512 - 11611432559 - Crankcase Ventilation Hose - From oil separator to valve cover - Bremmen Parts - BMW

From oil separator to valve cover 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4316512
Mfg#:
11611432559
In Stock
ON SALE! SAVE 22%
$23.99

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

$18.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Oil Separator Vent Tube

ES#4338782 - 11617504535 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold. - Bavarian Autosport - BMW

Runs from the top of the oil separator up to intake manifold. 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with production date from 01/2000

Brand:
Bavarian Autosport - Corporate Logo
ES#:
4338782
Mfg#:
11617504535
In Stock
ON SALE! SAVE 20%
$24.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Crankcase Breather Element

ES#4866071 - 11617533400 - Engine Crankcase Breather Element - Commonly referred to as the "oil separator" or PCV - Hengst - BMW
ECS Tuning recommends this product.

Commonly referred to as the "oil separator" or PCV 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Superior performance for both warm and cold climates

Brand:
Hengst - Corporate Logo
ES#:
4866071
Mfg#:
11617533400
In Stock
$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Return Pipe

ES#25712 - 11617504536 - Return Pipe - Runs from the intake manifold back to connecting hose - Genuine BMW - BMW

Runs from the intake manifold back to connecting hose For vehicles with production date from 01/2000

Brand:
Genuine BMW - Corporate Logo
ES#:
25712
Mfg#:
11617504536
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.

$43.99

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

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#2762634 - 11611432559 - Crankcase Ventilation Hose - From oil separator to valve cover. Made in Germany. - Rein - BMW

From oil separator to valve cover. Made in Germany. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2762634
Mfg#:
11611432559
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Pressure Regulator Valve

ES#5374429 - ABH0263 - Crankcase Pressure Regulator Valve - Commonly referred to as the "oil separator" - Rein - BMW

Commonly referred to as the "oil separator" 2X Entries For Our 25th Anniversary Sweepstakes!
2X Entries For Our G87 M2 Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5374429
Mfg#:
ABH0263
In Stock
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Breather Hose Kit

ES#5375102 - ABK0128 - Breather Hose Kit - Improved CCV hose and valve kit tailored for vehicles used in frigid temperatures! - Rein - BMW

Improved CCV hose and valve kit tailored for vehicles used in frigid temperatures! 2X Entries For Our 25th Anniversary Sweepstakes!
2X Entries For Our G87 M2 Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5375102
Mfg#:
ABK0128
Back Ordered
$261.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Oil Separator Vent Tube

ES#25779 - 11617533399 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold - Genuine BMW - BMW

Runs from the top of the oil separator up to intake manifold For use in cold climates

Brand:
Genuine BMW - Corporate Logo
ES#:
25779
Mfg#:
11617533399
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.

$42.99

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

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Oil Separator Vent Tube

ES#25711 - 11617504535 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold - Genuine BMW - BMW

Runs from the top of the oil separator up to intake manifold For vehicles with production date from 01/2000

Brand:
Genuine BMW - Corporate Logo
ES#:
25711
Mfg#:
11617504535
Ships in 1-2 days
2% off MSRP

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

$42.99

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

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#4818513 - 11157532649 - Crankcase Ventilation Hose - From oil separator to dipstick tube - Bremmen Parts - BMW

From oil separator to dipstick tube 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818513
Mfg#:
11157532649
In Stock
ON SALE! SAVE 24%
$15.99

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

$12.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Catch Can O-ring

ES#3097721 - N1.50X051 - ECS Catch Can O-ring - Replacement ECS catch can O-ring - ECS - Audi BMW Volkswagen MINI

Replacement ECS catch can O-ring 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3097721
Mfg#:
N1.50X051
In Stock
ON SALE! SAVE 25%
$5.99

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

$4.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#19638 - 11157532649 - Crankcase Ventilation Hose - From oil separator to dipstick tube - Genuine BMW - BMW

From oil separator to dipstick tube

Brand:
Genuine BMW - Corporate Logo
ES#:
19638
Mfg#:
11157532649
Ships in 1-2 days
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Return Pipe

ES#2598766 - 11617504536 - Return Pipe - Runs from the intake manifold back to connecting hose - Rein - BMW

Runs from the intake manifold back to connecting hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with production date from 09/1998

Brand:
Rein - Corporate Logo
ES#:
2598766
Mfg#:
11617504536
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Oil Separator Vent Tube

ES#3673407 - 11617533399 - Upper Oil Separator Vent Tube - Runs from the top of the oil separator up to intake manifold - Bremmen Parts - BMW

Runs from the top of the oil separator up to intake manifold 10X Entries For Our 25th Anniversary Sweepstakes!
For use in cold climates

Brand:
Bremmen Parts - Corporate Logo
ES#:
3673407
Mfg#:
11617533399
In Stock
ON SALE! SAVE 22%
$22.99

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

$17.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankcase Ventilation Hose

ES#25778 - 11617533398 - Crankcase Ventilation Hose - From oil separator to valve cover - Genuine BMW - BMW

From oil separator to valve cover For use in cold climates

Brand:
Genuine BMW - Corporate Logo
ES#:
25778
Mfg#:
11617533398
Ships in 1-2 days
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings