Drive the car to work (office) every day. I can't see driving a beater, when I know I could be driving this! Everyone at work knows I'm a car nut, so I don't get any grief about spending money on a nice BMW.
Current: '13 E92 M3 Euro Delivery 9/4
Wife's: E39 M5, E36 M3, E30 M3
Gone: E86 M Coupe