After extensive research, soul-searching, wringing of hands, and continued bouts of self-doubt, I've decided to purchase 18"x8.5" ET38 Apex Arc-8's to replace the 135's on my stock ZHP (which are in primo condition), because I want light-weight wheels in the worst way (went with lighter wheels on my 330xi last year and was amazed--and that was only half this weight difference!). I also want a square set-up, and the only reason I'm going with 8.5" width is so I can continue to run the 225 and 255 PSS's on the car that are almost new (I'm sure eyes are rolling!). After they're worn out several years from now (I only plan to put a couple thousand miles on it each year), I plan to go with 235's or 245's, but I just can't wait that long for new, light-weight wheels. It's too bad, because I wanted 9" wheels and REALLY wanted a set of D-force LTW5's (although I'm probably better off with Apex).
Anyway, the point of this post is to ask, "Is there a best time of the year, and where at, to purchase Apex wheels?". It looks like I missed a group buy last year...