Yes, it's in the trunk under the carpet.
BMW 3 series cars have 4 wheels. Some also have a spare wheel. Most of them have a steering wheel too :)
under the spare wheel in the boot
No it doesn't
The 2013 BMW 3-Series has rear wheel drive.
The 2005 BMW 3-Series has rear wheel drive.
The 2013 BMW 5-Series has rear wheel drive.
The 2002 BMW 7-Series has rear wheel drive.
The 2003 BMW 3-Series has rear wheel drive.
The 2003 BMW 7-Series has rear wheel drive.
The 2001 BMW 7-Series has rear wheel drive.
The 2006 BMW 6-Series has rear wheel drive.
The 2014 BMW 2-Series has rear wheel drive.