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I check the secondary air pump this weekend I didn't see or hear any leaks. I also removed the housing for the microfilter and checked those hoses in the back of the intake manifold. I cleaned the mass air sensor and also cleaned out the throttle body while I had it all apart.
Any other suggestions on what to check before I give in and take it to the dealer.
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2002 X5 4.4
White /Premium Pkg/ Cold Weather Pkg/ Sport Pkg
sand beige leather with light poplar wood trim, ACS Aluminium pedals, Running Boards, 20's oem style 87, 4.6 kit, BMW Hitch, K&N Filter
WhiteX5 Website
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