status update. clutch fan needs replacing (it's almost seized) however they still can't figure out my power loss. luckily e mechanic has one so he knows what it should feel like vs mine. Currently it is not throwing any codes at all and idles great no sputtering, normal temp range, shifts fine, no smoke or smell, just lacking a roughly 40% performance amount. I have an appointment for July 10th for some down time in the shop for repairs. I will keep you posted.

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Current= 00' Black E53 4.4i, nav, dsp, Remus exhaust, dice media bridge, AC schnitzer front and rear add-on's, black front grille, etc etc. 92k on the dash