Anyone know what this is?
02 July 2010, 07:43 AM
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hmmm, looks like a secodary air system, bmw had used these for a while before thier petrol engines went to direct injection. It's used on cold starts to reduce emmisions.
Does it function only when the engine is cold and just for a minute or two??
Does it function only when the engine is cold and just for a minute or two??
