LED side light not working on brand new rear right light cluster

Varixto

Member
The previous owner of my car butchered the brake bulb holder of the cluster and my attempt to fix it worked only for a while. I have been forced to buy a new cluster, as the bulb holder is not sold separately... :(
Today I have fitted a brand new unit (OEM) and every light works apart from the LED sidelight (ie: the top part of the cluster). My car is a 2009 model but when I replaced the old cluster I could see that the previous owner had already replaced it at some point and had fitted the newer type of cluster, manufactured in 2017 (ie: two fitting nuts instead of three).
However, when I fitted the new cluster I bought from BMW, I noticed that every other light works apart from the LED side light (ie: the top part of the cluster). What could be the problem? Faulty cluster? Does it need coding? (I would not think so, as the LED indicator works fine).
I thought that the cluster was plug and play. The other side's cluster is working fine... Any help or advice would be much appreciated as without this light working, it fails a MOT.
 
Try plugging the old unit back in a see if the side light works, it’s possible you may have blown a fuse.
 
I have managed, with the help of my neighbour (once again, bless him), to fix the old cluster. I feel that if I crack a fart it's going to stop working again but hopefully it will now pass its MOT (fingers crossed).
 
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