Q
car year: 1994
car model: 525i
My BMW (manual transmission) makes a noise only when the A/C is on. The A/C works fine and it cools very good. It happens usually when I am coming to a full stop, but not all the time. It does not make the noise while running. Mechanic cannot pinpoint the problem.
Continue reading BMW E34 525i, 535i, 530i, 540i, M5 – Noisy Heater A/C Blower
Q
car year: 2001
car model: 330ci Convertible
Does my air conditioning fan have more than one speed? We have experienced over 50 days straight of temperatures in the 90s and the fan seems to run only at a high speed, and sounds like a turbine engine. It seems to go directly into this high speed mode even
Continue reading BMW E46 Heater, Air Conditioning (AC) Blower Fan Speed – 323i, 325i, 328i, 330i, M3
car year: 1989 car model: 750iL The AC only works when the blower is on high speed. How do you remove and replace the blower motor resistor?
A
The “blower resistor” for your E32 chassis (7-series 88-94) is actually a Final-Stage Unit. The final stage units are electronic as opposed to the resistor blower controls. However,
Continue reading BMW E32 750il – Blower Only Works On High Speed – 735i, 735il, 740i, 740il
Q
car year: 2003
car model: 325Ci Convertible
Yesterday, I noticed my A/C took a few minutes to kick on. Later that afternoon, the blower turned off on it’s own for 15 minutes, then restarted. Today it would turn off and on with a mind of it’s own even though the control panel showed it on auto at
Continue reading BMW E46 Blower Resistor / Final Stage Unit
Q
Will this apply to my 2003 BMW 325i (link below)?
E34 A/C Hot On Passenger Side
A
The notes about the E34 chassis do not directly apply to your E46 chassis (3-series 99-05). There are two common issues with the E46 chassis when one or both sides have warm air during A/C operation.
1) Heater/water control valve –
Continue reading BMW E46 Warm A/C On Passenger Side – Air Conditioner / Heater
Q
I need your help I own a 1998 740il the car is beautiful and runs great but the heat on the drivers side does not work, the fan works ,but all that comes out is cold air no matter the setting.
A
My first thought is that the water control valve may be faulty. Your
Continue reading 1998 BMW 740il Heater problem – E38 & Most Other Models
Q
car year: 1987
car model: 325es
I recently replaced the resistor on the blower motor and it solved the problem of only running on high speed, however it was making a noise as if the fan was hitting something when i replaced the resistor I noticed that the outer ring on the right side fan blades was
Continue reading BMW E30 Broken Heater & A/C Blower Motor Fan
This answer is applicable for many BMWs in addition to the one listed below.
Q
car year: 1987
car model: 635CSi
E24 chassis
I have done some work on my 1987 635Csi so it has been off of the road for a while. After I got the transmission back in and took it for a test drive, the power steering
Continue reading BMW Power Steering Pump Squeal & Leak, A/C Compressor Leak
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