Perfect Fitment: Compatible with B-MW X3 F25 2014-2017 LCI Facelift model, Compatible with B-MW X4 F26 2014-2018 LCI, Compatible with B-MW X5 F15 2013-2018, Compatible with B-MW X6 F16 2015-2018. Plug & Play: Simply Remove Original Housing & Replace. Built-in CAN-bus controller, complete no onboard computer error. Bsm/Blind Spot Monitor is still Functional. Exquisite Design: Change the turn signal lights from simple flashing to dynamic sequential flashing. It makes your car turn signal light more dazzling. Product Features: Using LED technology and completely sealed materials. Waterproof, rustproof, shockproof, low power consumption, energy saving, and long service life. Smoked LED Side Rearview Mirror Indicator Blinker Light Sequential Dynamic Turn Signal Compatible with B-MW X3 X4 X5 X6 F25 LCI F26 F15 F16 2014-2018 Listing includes: 2 × Rearview mirror light ( Left and Right) Dynamic Turn Signals Installation: Directly replacement Housing color: Smoked Black as picture show Light color: Yellow Long lifespan, More Safety, 100% Waterproof Note: Installation instruction is NOT included Compatible with B-MW X3 F25 2014-2017 Facelift model Compatible with B-MW X4 F26 2014-2018 Compatible with B-MW X5 F15 2013-2018 Compatible with B-MW X6 F16 2015-2018