Blower Final Stage Fan Resistor May Fail: BMW 323i Heating & Air Conditioning

Problem overview

The blower final stage fan resistor is known to fail. Symptoms are the heater fan speed varies regardless of the setting, the fan will not turn off when the car is switched off, or the fan will not switch on at all.

40 people reported this problem

20 comments

Schedule Repair

BMW 323i vehicles with this problem

2 model years affected

Average mileage: 125,193 miles

(47,000 - 261,690)

Repairs related to this problem

Blower Motor Resistor Replacement

Search for another problem

RepairPal ™Car Genius

Ask our experts about your BMW.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

Exceptional warranty

Shops offer at least a 12-month or 12,000-mile warranty.

Satisfied customers

We ensure high satisfaction through verified customer reviews.

Transparent pricing

You'll get a Fair Price Guarantee on all RepairPal estimates.

Millions trust us for auto repair — RepairPal Certified^® locations must pass a rigorous approval process to ensure quality, customer satisfaction, and fair pricing.

Find a Repair Location

Blower Final Stage Fan Resistor May Fail on BMW 323i

Problem overview

BMW 323i vehicles with this problem

Need a diagnosis? Trust our BMW experts.

Search for another problem

Ask our experts about your BMW.