on the passenger side, just feel for the socket and twist off, if you have really big hands it may be harder to take out, so get a friend with smaller hands to twist it out for you. no need to remove bumper really.

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Current: 2012 AW X5d with Sport+Prem, coded mirrors, windows and other stuff, Toyo Proxes STII non RFT, BMW Perf gloss Black Grills, Euro wide mirrors, Piaa Ion Yellow Fogs, hardwired Escort Passport 9500xi with mute in ashtray...JBD@ 100%
RETIRED: 2009 SG e92 M-Sport( I will miss you....)