Break-in is simple and in the Owner's Manual, which you can dowload from BMW web site. Here's the section from my Owner's Manual:
Moving parts need to be broken in to adjust to
The following instructions will help achieve a
long vehicle life and good economy.
Engine and differential
Always obey the official speed limit.
Up to 1,200 miles/2,000 km
Do not exceed the maximum engine and road
* For gasoline engine, 4,500 rpm and
100 mph/160 km/h.
Avoid full-throttle operation and use of the
transmission's kickdown mode for the initial
From 1,200 miles/2,000 km
The engine and vehicle speed can gradually be
Due to technical factors associated with their
manufacture, tires do not achieve their full traction
potential until after an initial breaking-in period.
Drive conservatively for the first
200 miles/300 km.
Brakes require an initial break-in period of approx.
300 miles/500 km to achieve optimized
contact and wear patterns between brake pads
and discs. Drive moderately during this break-in
Following part replacement
The same breaking in procedures should be observedvehicle's operating life.
if any of the components mentioned
above have to be renewed in the course of the
2013 x35i (Space Gray, MSport, CW/CWII, DHP, Premium, Premium Sound, Technology, BMW-Apps)
Retired:'09 C300 4Matic, '09 GTI, '06 750i, '05 C55, '04 R32, '03 M5, '02 GTI, 01 M5, '00 M-Coupe, '00 540i/6, '99 M3 Coupe, '98 M3 Coupe, '96 328i, ..., '86 4000CS Quattro, ... too many to list
Last edited by noka; 03-03-2013 at 08:42 AM.