may want to refer to
www.m5board.com
more m5 members there to answer your questions. Plus you can search for all the questions you have had.
__________________
Retired: '06 BMW E46
///M3
Current: '08 BMW E60 DINAN
///M5, Interlagos Blue, SMG
DINAN Stage 2 Suspension, Exhaust, Stage III Software, Front strut braces,
Intakes, 13% Underdrive pulley, 3.91 Differential, RPI Scoops.