hi i have a 2007 e90 335i i was doing donuts and on my 2nd and last donut when i let off and went straight i had no power steering at all i pulled over and checked the fluid it was all normal i drove home and parked the car and heard a fluid noise frm the passanger side around where the downpipes are it finished off sounding like air was coming out and there was still a normal amount of power steering fluid in the resovir no codes at all. is it my pump? or something else? learned from my mistake.
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