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Roger
Roger, BMW Master Tech
Category: BMW
Satisfied Customers: 3037
Experience:  10 yrs. experience as BMW Master Technician, shop foreman and dealer.
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99 BMW 328i 4DSD Problem: Intermittent non-operation of AC

Customer Question

99 BMW 328i 4DSD
Problem: Intermittent non-operation of AC blower-especially after rain. Usually comes back to life after driving the car for 15-20 minutes. Today, it did not.
Sometimes, after starting the car, the A/C LED display dims for a second when A/C is switched on...and the fan doesn't operate.
FSR was replaced 4-5 years back, the blower 2 yrs ago. (very noisey).
When the blower is operating, A/C blows cold and has full functionality.
Submitted: 4 months ago.
Category: BMW
Expert:  Steve replied 4 months ago.
Hello and welcome,
My name is ***** ***** it will be my pleasure to assist you today.
What is the last 7 of the vin
Customer: replied 4 months ago.
KG07262
Customer: replied 4 months ago.
Sun came out...and the blower is now working.
Customer: replied 4 months ago.
did you forget about me ??
Expert:  Steve replied 4 months ago.

does the ac blower speed only become erratic when the control display dims?

Customer: replied 4 months ago.
no. when the display dims, the blower won't run.
Expert:  Steve replied 4 months ago.

but does the blower also go off at times when the panel is not dim? I am trying to understand if the panel dimming and the blower stopping always happens together, or if the blower will sometimes go off while the panel still is bright.

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