Do you have any numbers that show how much the 280mm kit inreases the brking force by, compaired to a standard set of brakes.

hello all ive got a 89 320 which developed an intermitent misfire when the engine was up to temperature. it is most prominent when you slow down for a corner and then try to acelerate out of it. steady running is generaly ok but it coughs every now and then. the problem has been getting worse. has a...