Hello,

I will soon put LCI headlights, I know how to connect but I wonder if it is necessary also to change the support ?

This is the part circled in red below the lighthouse.

 

No it's not necessary to replace the headlight support it's the same for Pre LCI to LCI headlights so no need to change.

 

Thank's Cwest

 

Did you get the LCI headlights for a good price? Where did you purchase them? Please be as specific as possible, I've been interested in replacing my pre-LCI headlights for years, my 05 has LCI taillights since 2008, installed by dealer.
Thanks

 

Your dealer only installed the tails? Did they somehow source Bruce's cable, or are they using Hella's cables? The latter you should have a brake bulb error.