I have a 2001 x5 4.4i with the following codes with check engine light and strong gas fumes where should i start?
1a mixture control, off idle cylinder #1-4
1b mixture control, off idle cylinder #5-8
1d mixture control, idle cylinder #5-8
Bc dmtl large leak
8d engine cooling fan control
12 pre catalytic converter o2 sensor, cylinder #5-8