Under 6000 rpms for about the first 500 miles, but I did rev it hard up to that point and did a lot of engine braking. Up to 7000 rpms for the next 300 miles or so with a few redlines. Drove it hard after about 900-1000 miles. Got 10000 miles now. No issues and zero oil consumption.
Audi S6 * Audi S3 * Porsche Cayman GTS
--Former BMW M3 owner