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Discussion Starter · #1 ·
Hi Guy's,

I've just got my first BMW and this is my first post. Hope you can help. Got a 3 year old 120i Sport, love it. Needed bluetooth so today installed a lovely Alpine headunit, sounds great apart from now my rear parking sensors have stopped working. I also installed an Alpine Amp and Sub in the boot, so maybe I've knocked a wire out somewhere but very sure I haven't.

Does anyone know what's wrong??

Many Thanks,

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