Question

How do I fix the engine code P0141 problem on my 2003 BMW Z4 2.5L?

Answer 1

P0141 -02 sensor heater circuit malfunction Bank1 sensor 2

This is the downstream 02 sensor which monitor the catalytic convertor, when it is the heater circuit this usually is the 02 sensor degraded.

Answer 2

P0141 BMW Code - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 2
Read more: https://www.autocodes.com/p0141_bmw.html