How to Remove the Blower Motor in a BMW 525?
3 Answers
To remove the air conditioning blower motor in a BMW 525, first, you need to take off the glove box on the passenger side. Then locate the screws underneath. After removing them, you can take off the air duct of the BMW 525. Next, find the wiring harness connector connected to the BMW 525's air conditioning system and unplug it. Then, also disconnect the plug on the BMW 525's air conditioning blower motor. Finally, remove the car's air conditioning blower motor.
As someone who frequently works on DIY car repairs, I've removed the blower motor from a BMW 525 several times. First, you need to lie down in the front passenger footwell and remove the lower glove box panel—usually secured by several T20 Torx screws. Then you'll see the blower motor's power connector; remember to disconnect the battery negative terminal before unplugging it! After loosening the three mounting bolts with a 10mm socket, you'll need to rotate the blower slightly to pull it out. Important reminder: don't yank the wiring harness—the plastic clips are extremely brittle. Last time I was in a hurry and broke two, costing me 80 yuan for replacements. The whole process takes about half an hour, and it's most cost-effective to clean out leaves and debris from the blower wheel while you're at it.
Having disassembled hundreds of BMW blower motors in repair shops, here are some professional tips: Essential tools include a ratchet wrench set and interior trim pry bars. Start by removing the passenger footwell cover panel—it's a snap-fit design requiring finesse to pry. After disconnecting the power, focus on inspecting the blower motor resistor—many noise issues actually originate here. When removing the blower, note the impeller orientation; a 15-degree counterclockwise rotation releases it from the slot. A common mistake is missing the hidden screw on the glovebox's right side, causing the blower to jam. Before reassembly, always verify the cabin air filter position—I've seen three technicians forget to reinstall the filter cover, resulting in blower noise and rework.
