You might be referencing that DI has better knock resistance? I don't think that will change unless you stopped using DI all together. Plus, the OEM HPFP will have more than enough head room with PI for the numbers you are looking for.
I edited my post to add more information like what other BMWs share the same calipers. Hawk doesn't make DTC60's yet.
Front camber is non adjustable from the factory. Only rear.
For oil, you can look up previous posts/threads of mine. I have had good luck with a certain oil that BoomerBlob...
Since you have the larger calipers, you have a VERY limited selection of track worthy pads to choose from. Tip to help your search: The FE shares the same front calipers as the M240i/M340i/M440i Cooling and Tire package (ZTK) The M550i / 750i / M850i / X3M / X5,7 M40i,M50i also share the same...
One thing to keep in mind is that hatch swaps are not as straight forward as you might be thinking. Def heard some horror stories about the wiring, etc