I just bought the code scanner for my '97 528i. It indicates "Secondary air system flow too low" for all cylinders. I've read that this is probably caused by a bad Secondary Air Pump and/or check valve. Does anyone know where these are located on the car, what they look like, how much they cost, or if it is an easy home job?
Thanks alot. I took a look and I'm not sure if I'm comfortable removing my bumper to get to that damn thing to replace it. I may give it a try though.<_<
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