Through our experience, we are now able to complete this upgrade in ~8hrs.,(Most service shops charge and estimate this upgrade for 3-4 days) allowing StudioRSR to offer completed delivery of your N55 or S55 with upgraded crankhub next-day or even same-day if planned/scheduled ahead of time. Most service shops charge and estimate this upgrade for 3-4 days.
Check out this time-lapse for a crank hub upgrade we recently did on this F80 M3. This upgrade is crucial for all BMW N55/S55 engines!