But it dawns on me - is it running long due to something downstream telling it to, and this device is actually okay? Hmmm... A fault code might...
Ah Yes - I looked it up on BavAuto, and that's the thing. At $400, I might be looking up the local junk yard... Thanks for the pointer.
I have a '97 328is stick and there is a cylindrical device about 8"-10" in diameter in the back left corner of the engine bay which sounds like a...
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