Any disadvantages to the P31 cars vs non-P31?
Will there be any issues with this or would this work?




Don't you guys realize you can throw 1 piece rotors on if you don't want to cough up for the 2 piece??
The discs are identical in sizing.
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You get BS's BBK, install them just like stock rotors, but they are made for track duty and last 3-4 times longer than OE (one or two piece).
http://www.racingbrake.com/Brake-Rot.../mb-irk-02.htm
The whole package has everything you need:
- Light weight aluminum alloy adaptor to space up your front OE caliper for 390mm (vs. 360mm) big rotor.
- Brand new MB calipers for rear 360mm (vs. 330mm) big rotor.
- Car set of ET500 performance street pads (low dust no squeak)
- Stainless steel brake line.
- Motul brake fluid.
The package costs only fraction of a dealer's brake job.
https://mbworld.org/forums/c63-amg-w...ml#post6523538
So when you need a new brake weather it's for replacement or upgrade, this is the best package you can ever find.
RB has been in brake business for 30 years and is the most trust brand in the performance industry for improving your braking efficiency (street driving or tracking), at an affordable price.
Stronger forged internals with ~7 lbs worth of weight reduction in reciprocating mass, on a rather large 6.2L engine - I'd also pay the $ difference for that alone.
P.S. To the "resurrecting OP" - yes, the rotors are interchangeable, but you could get the RBs (not the BBK they advertised above - the OEM sized ones that are also a direct bolt-on) for more or less the same price as the heavy steelies.
Last edited by Diabolis; Aug 15, 2015 at 01:11 PM.
The Best of Mercedes & AMG
OEM one piece are $175. I would not say 4x the price is "more or less the same price."
Click the above image to get to the choice table.
Long term review by an E63 owner
Racing Brake Rotors after 113,556miles
Trusted by Porsche track racersRacingBrakes.com products are amazing!
This led me to the factory hp upgrade version.
no flames please, i just want w204 newbs to get the full picture.







