Re: Troubleshooting e34 ventilation

[alex.fadeev@xxxxxxxxxxx]

Rick,
MODIC is a $25?K computer that interfaces with BMW's in-car electronics. 
BMW sells it to the dealers, but not the independents. 
BMW independents had bended together to conjure up a $8?K Linux based 
alternative that handles most, though not all of what MODIC does. 
Long story short, this is not a DIY job. Find either a dealer or an 
independent in your area and pay them to do this. 

alex f






"Rick Gutierrez" <rickg@domain.elided>
Sent by: owner-bmw@domain.elided
01/27/2003 04:40 PM

 
        To:     bmw-digest@domain.elided
        cc: 
        Subject:        Troubleshooting e34 ventilation


Can anyone expound on the following re:  e34 lack of heat.......

What is Modic?  Can't this be troubleshot without going to the dealer 
($$$)?

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Heat output should be closer to 165 degrees.

You possibly have a mixing flap leak, this is the flap that blocks off 
either
the heater core or the cold air intake.

Mixing flaps are controlled by stepper motors and are diagnosible.  Get 
the
car to someone with a Modic, or to the dealer, and check for logical 
problems
in flap positions, sensor readings, etc.


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