D douggie Well-Known Member Sep 18, 2013 #3 Re: F10 multiple recall? So N20 engine is tiak-tiak sound, N63 engine is helicopter sound! Top-of-the-line BMW 'sounded like a helicopter'
Re: F10 multiple recall? So N20 engine is tiak-tiak sound, N63 engine is helicopter sound! Top-of-the-line BMW 'sounded like a helicopter'
