I am almost all the way toward getting my new (used) 2005 M3 up to Autopia and my spec.
Today I had the rash on the two rear wheels repaired by Alloy Wheel Repair Specialists here in Calgary

. There is another long time company in the area but I wouldn't use them again.
The outfit is apparently franchised and the process patented. Each wheel took about one hour.
Here are the before shots:
http://www.pbase.com/oshea/image/65711394
http://www.pbase.com/oshea/image/65710755
(sorry ...no outside shot of that one)
And here are the after shots:
http://www.pbase.com/oshea/image/65710928
http://www.pbase.com/oshea/image/65710972
The two fronts are curbed to a lessor degree but as Andre's assitant said on a break "once you see the results you will get the others done"
He is probably quite right
Next is an exterior clay on Friday followed by careful polishing on Saturday.
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2000 Titanium BMW 328i Sedan
2001 Black F150 Lariat SCrew 5.4L 4X4 Off Road
2005 Carbon Black M3 Competition with NAV & SMG