Hi there,
These codes indicate issues with the O2 sensors. Here is a list of possible causes.
P2271 BMW - O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2 Read more: https://www.autocodes.com/p2271_bmw.html
P2096 BMW - Post Catalyst Fuel Trim System Too Lean Bank 1 Read more: https://www.autocodes.com/p2096_bmw.html
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