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Default 01-03-2018, 12:23 PM

Blows cold air, or won't blow at all?


2017 AMG C63 - JB4 - 11.69 @ 127 (dragy)
2009 BMW 535i - 548 whp - sold
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Wuz Wuz is offline
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Default 01-03-2018, 03:37 PM

Quote:
Originally Posted by LessIsMore
Blows cold air, or won't blow at all?
only freezing cold air
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Default 01-05-2018, 01:36 PM

Ok - well heaters are pretty similar across platforms.
Generally if it's blowing cold air it's likely one of the following:
- Something is preventing hot antifreeze from circulating through the heater core
- May be a switch or valve
- Heater core may be plugged
- Check the coolant level when the engine is cold, fill it if it's low


2017 AMG C63 - JB4 - 11.69 @ 127 (dragy)
2009 BMW 535i - 548 whp - sold
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Wuz Wuz is offline
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Default 01-18-2018, 04:12 PM

Fired up my carly app today and these are the codes its giving for the a/c

Short circuit to positive or open circuit (AUC)
Code: 009C54
Error fogging sensor - K-LIN 3 RLS
Code: 009C55
Power Management Battery voltage K-CAN
Code: 00E714

Also have these steering coulmn codes
LWS is not matched
Code: 009501
Coding data checksum
Code: 0094C1
LRE monitoring voltage falls below the lower limit
Code: 00951A

This beamer is a nightmare
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Default 01-19-2018, 02:13 PM

sounds like a potential short, which could be a fire hazard. Can't really troubleshoot electrical issues over the internet.
Note = BMW recalled basically all e90's last year for bad heater wiring that could start a fire.
would suggest looking at wiring and testing sensors, but that's the kind of stuff that I'd personally take it somewhere to a pro for. Plus the heater is probably a huge PITA to access.


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2009 BMW 535i - 548 whp - sold
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