DRL lens fell off
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Joined: Jul 2019
Posts: 6
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From: Houston, TX
My Ride: 2008 535i
The old one was cooked, for sure. Exposed, copper wires every where. How BMW thought that was a good idea is beyond me. The new one has all insulated wire, so no chance for a short.....which leads me to think it’s a fault in the FSM.
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Joined: Oct 2023
Posts: 2
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From: Florida
My Ride: 2009 535i xdrive
kd7iwp is correct. It is a cornering lamp that turns on when the steering wheel is turned to illuminate the roadway in the direction of travel.
I believe only BMW's equipped with the HID projector headlamps have the cornering lamp, as the high beams are integrated into the projector housing. With the regular halogen equipped headlights, that cornering lamp is instead replaced by the high beam assembly.
I too have run into this problem with both headlamp assemblies. It is caused by the disintegrating rubber seals allowing moisture to get inside. With hot ambient temperatures, that moisture eventually turns into steam vapor and dissolves the glue holding that cornering lamp lens in place. With constant road driving vibrations, those lens eventually fall out of their socket, leaving your car with a "popped eyeball" appearance.
I was able to sort of pull both lens back into place and friction-hold with double sided tape or glue using the tiny access port right above each assembly. There is a circular cover you twist off for access. It is not easy and requires tons of patience.
I believe only BMW's equipped with the HID projector headlamps have the cornering lamp, as the high beams are integrated into the projector housing. With the regular halogen equipped headlights, that cornering lamp is instead replaced by the high beam assembly.
I too have run into this problem with both headlamp assemblies. It is caused by the disintegrating rubber seals allowing moisture to get inside. With hot ambient temperatures, that moisture eventually turns into steam vapor and dissolves the glue holding that cornering lamp lens in place. With constant road driving vibrations, those lens eventually fall out of their socket, leaving your car with a "popped eyeball" appearance.
I was able to sort of pull both lens back into place and friction-hold with double sided tape or glue using the tiny access port right above each assembly. There is a circular cover you twist off for access. It is not easy and requires tons of patience.
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