I recently had my check engine light come on, so I scanned it with my Peake Research R5/FCX-3. I came up with the following codes.
F5: Secondary air system flow too low, Cyl #1-3
FC: EVAP incorrect purge flow
E5: PreCat 02 sensor response time, Cyl #1-3
I did a search...
I have a very small leak in the air suspension in my 2000 540iT sport. Occasionally, but not every time, i come out to the car and the "wagon is draggin' " I hop in, and the air system fixes it.
I think its the valves that hold the system stable when parked that's leaking (*read that these...