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      02-24-2010, 11:30 PM   #1342
E90 87ss
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Drives: 325i, W212 AMG
Join Date: Sep 2009
Location: NJ/Philly

Posts: 554
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Had both of my O2 sensors replaced and grab handle tomorrow. No ticking on cold start with updated HVAs so far. Burning smell when i start the car, but that might be some spilled oil or grease from the techs, they also didn't clip in the black piece that hangs over the engine. Engine runs smoother and heats up quicker than before, might be from driving 15 miles with bad O2s, maybe it ran rich and has some carbon build up in the exhaust. I'm going to look over the car tomorrow morning to make sure the techs didn't forget to button anything else up.
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