Not worth it. I had 1 when i got the 7 and used once. Took the car for a service and they messed it up . i asked for cash instead of a new display key. £560 in my pocket and bought a used one on ebay for £130 and had coded for free by BMW Sidcup. Now I have 2 normal keys and not afraid of damaging that tiny screen.
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G11 740xd M Performance
F16 X6 M50D
F21 140xi
Dark Side: E53 AMG
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