Quote:
Originally Posted by Overboost
Well my P0172 and P0175 (system too rich) codes came back today with a shiny CEL on the dash. Changed MAF and pre catalyst lambda sensors the last time and has been clear for 8 months. Oh well, time to have another look.
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That's what I am fighting too. I replaced the air intake elbow yesterday but the old one didn't look bad. The code didn't come back today, but I'm gonna wait a week or so before I believe I fixed anything.
I also ordered my cooling system parts. Genuine BMW stuff is awful expensive on this car. I even cheaped out with a few OEM parts. I didn't even get the fan or clutch, or any of the smaller coolant hoses. Radiator, WP, T-stat, the big hoses, expansion tank, and it was still over $700.