Operation, care and maintenance -> Break-in procedure for your BMW 7 Series 2001-2007

126nBreak-in procedure  
To ensure that your vehicle provides  
maximum economy throughout a long  
service life, we request that you comply  
with the following:  
Tires  
Brake system  
Due to technical factors associated  
with their manufacture, tires do not  
achieve their full traction potential until tors achieve the optimal pad-surface  
Approximately 300 miles (500 km) must  
elapse before the brake pads and ro-  
an initial break-in period has elapsed.  
For this reason, drive with extra care  
during the initial 200 miles (300 km).  
and wear patterns required for trouble-  
free operation and long service life later  
on.  
Engine and differential  
Up to 1,200 miles (2,000 km):  
Drive at varying engine speeds and  
road speeds, but do not exceed  
4500 rpm and/or 105 mph (170 km/h)  
during this initial period.  
Comply with all local, state and federal To break-in the separate parking brake  
maximum speed laws.  
drums, apply the parking brake lightly  
when coasting to a standstill (at a traffic  
signal, for instance), provided that traf-  
fic conditions allow you to do so.  
To avoid corrosion, repeat this proce-  
dure from time to time.  
When the vehicle is operated on  
wet or slushy roads, a wedge of  
Comply with all local, state and federal  
maximum speed laws.  
water may form between the tire and  
the road surface. This phenomenon is  
referred to as aquaplaning, or hydro-  
planing, and can lead to partial or com-  
plete loss of traction, vehicle control  
Refrain from using full throttle and avoid  
pressing the accelerator beyond the  
kickdown point.  
The brake lamps do not come on  
when the parking brake is applied.  
Once 1,200 miles (2,000 km) have  
elapsed, engine speeds and road  
speeds can gradually be increased.  
and braking effectiveness. Reduce your Vacuum for the brake system servo unit  
speed on wet roads.<  
on your BMW is available only when the  
engine is running. When you move the  
car with the engine shut off – when tow-  
ing, for instance – substantially higher  
levels of pedal force will be required to  
brake the vehicle.<  
You should also comply with these  
break-in procedures if the engine or dif-  
ferential is replaced later in the course  
of the vehicle service life.  
Online Edition for Part No. 01 41 0 004 597 - © 08/99 BMW Group