18-24 OEM BMW F39 F44 Cat Catalytic Lambda Monitor Oxygen O2 Sensor B46 B48

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

Free return shipping unless shipping was freight or for unusually large or heavy items (e.x. fenders, rear differentials)

For more details, see Return Policy

For extended engine warranty options, please see Extended Engine Warranties

We ship within 1 business day from payment for all non freight shipments.

Freight Shipments are shipped out within 3 business days

Please reach out with your vin to guarantee fitment!
We cannot guarantee the condition of paint or that paint color will be an exact match as yours
All items are in used but working order unless noted otherwise
All used items will show normal signs of use such as nicks, scuffs, and scratches.
We do our best to photograph imperfections; please review all images.
You will receive the exact item pictured.
Additional parts may be required for installation.
If you are unhappy with your purchase, contact us before leaving feedback and we will work to make things right.