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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 02-03-2012, 02:47 PM   #21
rockyiiibalboa
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Join Date: Jan 2012
Location: london
Posts: 16
My Ride: 1999 323i 2.5l
Hello a little bad news the initial clean only worked for 3 days and went up my brothers who lives in cambridge as I live in London the lights came on as I was coming home at about 10pm the lights came on for the first time whilst driving and had to be recovered my manchetts, had the cOdes read said, mass air flow sensor (which I replaced last night) and throttle sensor) which I still need to get, I cleared the codes at work as I used the machine at work and so far since replacing the maf the lights ain't come back on yet, just so paranoid to drive just exPectong the lights to come on, just hope it won't the ecu playing uP as one code said incorrect data from dme , but saying that if the ecu was. Foooooked the lights wouldnt go off etc once deleted the codes etc.... Must be the throttle as it keePs popping up In the cOdes, will resetting the ecu or update help and how do I go about this, Ohh by the way take out ur ecu and check the terminals as there my be corrosion and that Sumtimes throughs codes there voltage to the ecu is struggling(so to speak) to get past the corrosion
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Old 02-03-2012, 09:04 PM   #22
Megalocnus
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Join Date: Oct 2008
Location: Los Angeles, CA
Posts: 2,059
My Ride: 05 330i ZHP/MT
What you describe can be an engine harness problem. Poor connectors to sensors contacts, broken wires...
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