Have patience - read this for a couple of pages - the pay off is great....
http://www.pistonheads.co.uk/gassin...&t=1131090&mid=0&i=0&nmt=just+bought+a+m3+CSL
http://www.pistonheads.co.uk/gassin...&t=1131090&mid=0&i=0&nmt=just+bought+a+m3+CSL