Bremmen Parts Crankcase Ventilation Valve 11127803790

Crankcase Ventilation Valve

Ensure your BMW engine runs clean and efficiently with this Crankcase Breather Valve Diaphragm Spring and Cap (11127803790).

A direct-fit replacement for the original BMW breather (OE 11127803790 / 11-12-7-803-790), this valve maintains proper crankcase pressure, reduces oil buildup, and promotes smooth engine performance.

Constructed from durable, high-quality materials and engineered to OEM specifications, it installs easily without any modifications.

Ideal for maintenance, resolving crankcase pressure issues, or restoring your engine’s ventilation system, this breather valve delivers reliable performance and helps protect your BMW for years to come.

Bremmen Parts Bremmen Parts
T#: 48125821 | Part#: 11127803790
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Checking Vehicle Fitment...

Please ensure your correct model is selected

Does NOT fit your Change Vehicle

Fits your Change Vehicle

Change Vehicle

12.23
SALE: $12.23 (24% OFF)
WAS: $15.99 on 05-03-2026

This product was last offered at the strikethrough price on
05-03-2026

Lifetime Replacement
This product is backed by our
Lifetime Replacement Program! Read more here
Free Shipping on orders $49 and up
Availability:
In Stock
Est. Ship Date:
on Jul 6, 2026
Qty
Add to Wish List
Facebook Twitter Pinterest Google+ Email Price Alert
Crankcase Ventilation Valve
$12.23

Ensure your BMW engine runs clean and efficiently with this Crankcase Breather Valve Diaphragm Spring and Cap (11127803790).

A direct-fit replacement for the original BMW breather (OE 11127803790 / 11-12-7-803-790), this valve maintains proper crankcase pressure, reduces oil buildup, and promotes smooth engine performance.

Constructed from durable, high-quality materials and engineered to OEM specifications, it installs easily without any modifications.

Ideal for maintenance, resolving crankcase pressure issues, or restoring your engine’s ventilation system, this breather valve delivers reliable performance and helps protect your BMW for years to come.

Prop 65 WarningProp 65 Warning

Product Q&A

Lifetime Replacement

This Product Is Covered By Our Lifetime Replacement Program

Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

If you have any questions, would like to learn more or are ready to place a replacement claim, click here!

MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW E70 X5 xDrive35d M57 3.0L Use vehicle selector to confirm fitment
BMW E90 335d M57 3.0L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.

Frequently Purchased Together

‹ ›