View Single Post
      09-01-2018, 02:03 AM   #41
Yozh
Colonel
Yozh's Avatar
No_Country
870
Rep
2,615
Posts

Drives: 2011 335d M-Sport
Join Date: Mar 2014
Location: Wet Coast

iTrader: (4)

What’s up with your O2 Sensor? New ones are not that much. Just get a Bosch part. Replacement is about an hour tops. Start there. Then 4530 is a broad code. But usually it’s boost leaks or the vacuum control system. Also easy fixes. Make sure no exhaust leaks pre sensor and sensor good with its feed tube. MAF and MAP healthy and you are good to go.
Appreciate 0