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E46 M3 (2001-2006)

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Old 10-04-2012, 08:12 PM
40mikemike 40mikemike is offline
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Location: San Diego
Join Date: Oct 2012
Posts: 4
Mein Auto: 2003 M3
Unhappy Need help troubleshooting thermostat error

Hey Guys,
New M3 owner here. When I took the car in for the pre-sale inspection, the DME threw (105) 69 Engine Temperature Signal Implausible (1x; Not
Present). I was told by the tech there that the thermostat needs to be replaced.
I took possession of the car today and even after driving 30 miles on the freeway, the temperature gauge needle stayed pegged in the middle. No sign of over-heating, is that possible with a stat failure:hmm:
What do you guys think could be the problem? Any ideas on troubleshooting this?
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Old 08-01-2014, 03:45 AM
butter101 butter101 is offline
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Location: SoCal
Join Date: Feb 2013
Posts: 1
Mein Auto: 2005 E46 M3 Vert SMG II
Did you ever get thus code figured?

Has anyone responded to this? Did you figure it out? I have this same code plus misfiring on multiple cylinders, and fuel cap code.
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