39k on my '08 and I have been able to resolve all creaks by firmly pressing onto some panels to make sure that they are secure. Had a little bit of a bass rattle coming from the rear deck and it turned out to be the brake light housing at the top of the rear window. Firm press and it went away.
Vorsteiner * AD08 * Revinora (SOLD)
EB M235i (CURRENT)