A droning type noise may be noted when the air conditioning system is operating. Additionally, a vibration may be felt in the steering wheel. If these issues are no longer present when the AC system is turned off, the problem may be low refrigerant charge in the system. Our technicians remind us that if the refrigerant charge is found to be low, proper leak diagnoses should be performed in addition to recharging the AC system.
Noise and/or Vibration Due to AC System Low on Refrigerant on BMW 328i
Average mileage: 72,211 (19,000–134,000)
16 people reported this problem
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Viewing 1 - 3 of 3 problem details
2007 BMW 328i 134,000 mi, Visitor
My car knocks, misses and acts like it doesn't want to go. It acts like it gets way to hot
2008 BMW 328i 82,115 mi, Visitor
Sounded like a chirping when the air was on and would accelerate. No clue what is going on Still not fixed
2007 BMW 328i 97,000 mi, Visitor
A/C out of refrigerant