BMW Wheel Style 313

BMW E92/3 335is, E87+ 135is, and E89 Z4 19" Wheels

BMW Wheel Style 313

Dimensions for the 3 series E90+
Front: 19" x 8" ET 37
Rear: 19" x 9" ET 39

BMW E46 M3 Competition (ZCP) 19" Wheels

Best looking E46 M3 wheels in my opinion. The competition wheels make the M3 look so much better and the style has been copied by many competitors.

Front Wheel Specs:

• 19" x 8"
• ET47
• CB 72.6mm
• 24 lbs
• Part Number: 36112282895

Rear Wheel Specs:

• 19" x 9.5"
• ET27
• CB 72.6mm
• 25.5 lbs
• Part Number 36112282999

19" BMW ZCP CSL M-Competition Staggered Hyper Silver Wheels Rims (SET OF 4)

Center cap part number: 36136783536
4 X BMW Blue Wheel Center Caps, Badge, Emblem 68mm By SH

Style 127 and Style 163

Front European CSL wheel are half an inch wider, lighter at 23.8 lbs, and have a more concave face.
Specs are:

• 19" x 8.5"
• ET44
• 72.6 CB
• 23.8 lbs
• Part Number: 36112282650

I believe competition wheels are painted Hyper Silver and made by BBS. 

BMW USA website says ZCP wheel are forged, however there is some debate about that online.