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Re: I have these brakes (archive)

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Posted by sniper on May 17, 1999 at 10:19:35:

In Reply to: I have these brakes posted by David on May 14, 1999 at 13:57:54:

My only beef with Porsche components is that they are made by Porsche and not BMW.

: I have the Porsche 993 big brake kit and I installed it myself. Not to be mean but you should do lots of research here. The way you phrase "even though it has Porsche components" tells me so. The reality is that these components are superior for several reasons. Lets start with the rotors. First of all they are floating rotors which reduces the chance of warping under heavy use found in racing conditions. The rotor vented and is cast with the holes. Porsche is the only vendor who casts rotors with holes. Rotors manufactured this way are stronger than others that have the holes cross drilled. Cross drilling weakens the structure of the rotor makeing it more prone to cracking and subsequent disaster. Last they are easy to replace should you need to do so. Other rotors from high end vendors are proprietary and you will pay through the nose once you burn up your first pair.

: Now on to the caliper. It is engineered with larger bolts than competitors which add to its overall strength and durability. It has 4 pistons vs. one in the stock M3 caliper. More pistons mean more control over pressure on the caliper and thus more control over braking and thus more performance over stock. An added advantage is that the pads can be changed in about a minute. With BMW calipers this is a 15 minute job per wheel for an experienced individual.

: If you go ahead with these brakes you will need to use appropriate spacers on your wheels to provide clearance. To support 4 pistons the caliper is fatter than the stock caliper on the BMW and your wheels need to clear it so they will turn.

: I can not advise a mechanic because you neglected to mention what town city or state you are in.

: These brakes are not for the casual driver or for show. If you do not attend drivers schools or club race then you would do better to just paint your stock calipers red.

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