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      01-16-2013, 09:17 PM   #19

Drives: E90 M3
Join Date: Aug 2011
Location: Florida

iTrader: (3)

Originally Posted by r53s65e90 View Post
I spent a lot of time researching brake options before deciding. I had discovered RB before it was announced here reading up on their specs it seems to be a well designed kit properly sized e.t.c with the added flexibility of using the stock rotor, which no other kit does. However, RB lacks the BMW M3 exposure Stoptech has had with being a provider to racing teams like turner. Doing this has taught them a lot that you cannot learn otherwise. Also Stoptech is OE supplier for Alpina and I believe R&D Sport.

The 355 kit is possibly cheaper. See here: Most forum vendors will probably match and beat this price. RB:

So, IMO, the best value is the front ST-40 kit combined with stock rear brakes.

If you want to keep the stock rotor, which is really good and definitely much more tested than the RB rotors on an M3, you can give their calipers a try. I wouldn't go this way, because the rotor is the major component that absorbs the heat from braking. A caliper would just give you a better feel.
I was not aware that they had a caliper only kit that would work with the stock rotors. However, based on the prices, I'm also thinking the StopTech 355 front kit is a better value overall although with RB you can go piece by piece (i.e., calipers and when rotors need to be replaced, get the RB rotors).

Originally Posted by Chriskm3 View Post
Is this the price for the two piece rotor? Website displays much higher pricing
I think that price is just for the replacement rings without the hats.