Ok, another fun problem on the "now beginning to give me an ulcer" 97 540ia. This morning, for probably the 10th time, the heater will work perfectly on the passenger side, while im freezing my A$$ off from the driver's seat. Bringing the temp on the drivers side actually will increase the air temp....has anyone else had this problem? The heat on the passenger side is fire hot, but maybe 75* tops on the drivers...
Today I had your same problem on a 1998 528i. Just turned around, I get heat on the driver's side while freezing air blows on the passenger side. Bad heater valve?
If you have fixed your problem, please let me know how.
Today, just 2 days after the heater pump is replaced...what happens again? No heat on the driver's side. (which would switch to heat on drivers and cold on passenger) I went by BMW and they've scheduled me in for ANOTHER appointment....I'm close to just buying a propane torch and lighting it in the car....Any other suggestions as to why this is happening???
CUSTOMER FEELS HOT AIR ON ONE SIDE AND COLD AIR ON OTHER
BOTH SIDES SET ON SAME TEMP. FULL AUTO.
SEE HISTORY
HEATER HOSES HAD BEEN CHANGED ELSEWHERE AND WERE REVERSED AT THE FIREWALL.
(WATER VALVE CONTROL WAS REVERSED AND UNABLE TO
RESPOND CORRECTLY TO HEATER SENSOR INPUTS)
CHECK IHKA OPERATION. CHECK FAULTS. NONE STORED.
CORRECT HEATER HOSE POSITION AT FIREWALL.
TOTAL INVOICE 0.00
I'm just glad that they've fixed it....now that its 75* outside....
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