Originally Posted by Soliditude
In my opinion, unless you're gonna hardcore track it, it's not worth it. The car already has oil cooler, so no need for additional without significant pushing. Don't waste money on it. Get the exhaust instead!
That's what I was thinking. I have the M-Sport as well and didn't think the extra hardware was worth it. The shopbmwusa.com site shows the PPK1 listed for $1056 w/installation. Did you buy the PPK after you purchased your car? How did you negotiate a lower price?