Quote:
Originally Posted by lcs
Damn...they don't need to drive the car..it all happens in parking lot speeds!(esp parking)
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that's what I told them. BUT!!!!!!
This bulletin just came out this month.
SUBJECT:
Droning from the engine compartment when using air conditioner
MODEL:
E82, E88 (1 series)
E90, E91, E92, E93 (3 series)
SITUATION:
When the air conditioning system is in operation, a droning noise from the engine compartment may be heard. In addition, vibrations may be felt through the steering wheel at the engine speeds of between 900 and 1,100 rpm.
The noise is no longer present when the air conditioner system is switched off.
Additionally, there may be a complaint of diminished cooling output. (which is also something that my car did just recently)
CAUSE:
Insufficient refrigerant in the cooling circuit
CORRECTION:
Do not replace parts.
DEFECT CODE: 64 52 00 25 00
from what the dealer said, this is still in the development stage and waiting for a permanent solution. discharging the AC unit and charging it will fix it temporarily. However, there is a root cause for this issue and they will address it when they identify the actual problem and they will call me to perform the repair on my car.
BTW, this is covered under the terms of the BMW new vehicle limited warranty.
