P2272 - bmw 2008 s500

Question

change sensor and still code coming up again

Answer 1

Hi there,

Since replacing the sensor hasn't solved the issue, it's likely a wiring problem. Here is some more info for you.

P2270 BMW - O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2

Read more: https://www.autocodes.com/p2270_bmw.html