Check out this thread:
http://www.e90post.com/forums/showthread.php?t=29731
Loads of examples and sizes and recommendations..... if you are interested in knobs.... you will love it
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'08 e92 335 - Sparkling Graphite, Black/Gray Wood, 6MT, Options: Every one I could afford + M Shift Knob & M eBrake, Smoke reflectors, F1 Tint 35%, CF license frame, CF Roundel overlays (on wheels), Aluminium pedals, Machined Aluminium Air Con. Dials
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