engine overheat BMW 550I 2008 Owners Manual

Driving
62
Radio readiness and ignition
switched off
All indicator and warning lamps in the instru-
ment cluster go out.
Starting engine
Do not run the engine in closed rooms,
otherwise the inhalation of toxic exhaust
gases can cause unconsciousness and death.
The exhaust gases contain carbon monoxide,
an odorless and colorless, but highly toxic gas.
Never leave an unattended vehicle with the
engine running, as such a vehicle represents a
potential safety hazard.
Before leaving the vehicle with the engine run-
ning, select the idling position, or shift the trans-
mission into position P and firmly apply the
handbrake, otherwise the vehicle can begin to
roll.<
Avoid frequent starting in quick succes-
sion or repeated starting attempts in
which the engine does not start. Otherwise, the
fuel is not burned or inadequately burned and
there is a danger of overheating and damaging
the catalytic converter.<
Do not allow the engine to warm up by leaving it
running while the vehicle remains stationary.
Instead, begin to drive at a moderate engine
speed.
Manual transmission
Remote control in ignition lock or with comfort
access in vehicle, refer to page38.
1.Depress brake pedal.
2.Depress the clutch pedal and shift into
idling position.3.Press the Start/Stop button.
Automatic and sport automatic
transmission*
Remote control in ignition lock or with comfort
access in vehicle, refer to page38.
1.Depress brake pedal.
2.Press the Start/Stop button.
Switching off engine
When leaving the vehicle, always take the
remote control with you.
When parking, firmly apply the handbrake, as
otherwise the vehicle could roll.<
Manual transmission
1.Press the Start/Stop button with the vehicle
stopped.
2.Shift into first gear or reverse.
3.Firmly apply the handbrake.
4.Remove the remote control from the igni-
tion lock, refer to page61.
Automatic and sport automatic
transmission*
1.Shift transmission into position P with the
vehicle stopped.
2.Press the Start/Stop button.
3.Firmly apply the handbrake.
4.Remove the remote control from the igni-
tion lock, refer to page61.
Before driving into a car wash
The vehicle can roll if you proceed according to
the following steps:
1.With comfort access: insert the remote con-
trol into the ignition lock.
2.Depress brake pedal.
3.Shift into transmission position N.
4.Switch off the engine.
Transmission position P will be engaged:
>automatically after approx. 30 minutes

Things to remember when driving
136 the road surface, ultimately undermining your
ability to steer and brake the vehicle.<
The risk of hydroplaning increases as the tread
depth of the tires decreases, refer also to Mini-
mum tire tread on page227.
Driving through water
Do not drive through water on the road if it
is deeper than 1 ft/30 cm, and then only at
walking speed at the most. Otherwise, the vehi-
cle's engine, the electrical systems and the
transmission may be damaged.<
Using handbrake on inclines
On inclines, do not hold the vehicle in
place for a long time by riding the clutch;
use the handbrake. Otherwise greater clutch
wear will result.<
Braking safely
Your BMW is equipped with ABS as a standard
feature. In situations that require it, it is best to
brake with full force. Since the vehicle maintains
steering responsiveness, you can still avoid
possible obstacles with a minimum of steering
effort.
Pulsation of the brake pedal, combined with
sounds from the hydraulic circuits, indicate that
ABS is in its active mode.
Do not drive with your foot resting on the
brake pedal. Even light but consistent
pedal pressure can lead to high temperatures,
brake wear and possibly even brake failure.<
Driving in wet conditions
When roads are wet or there is heavy rain,
briefly exert gentle pressure on the brake pedal
every few miles. Monitor traffic conditions to
ensure that this maneuver does not endanger
other road users. The heat generated in this
process helps dry the pads and rotors to ensure
that full braking efficiency will then be available
when you need it.
Hills
To prevent overheating and the resulting
reduced efficiency of the brake system,
drive long or steep downhill gradients in the
gear in which the least braking is required. Even
light but consistent pressure on the brake pedal
can lead to high temperatures, brake wear and
possibly even brake failure.<
The braking effect of the engine can be further
increased by downshifting, if necessary all the
way down into first gear. This strategy helps
you avoid placing excessive loads on the brake
system. For information on downshifting in the
manual mode of the automatic transmission,
refer to page64.
Do not drive with the clutch depressed, in
idle or with the engine switched off, other-
wise there will be no engine braking action or
support of the braking force and steering.
Never allow floor mats, carpets or any other
objects to protrude into the area of movement
of the pedals and impair their operation.<
Corrosion on brake rotors
When the vehicle is driven only occasionally,
during extended periods when the vehicle is not
used at all, and in operating conditions where
brake applications are less frequent, there is an
increased tendency for corrosion to form on
rotors, while contaminants accumulate on the
brake pads. This occurs because the minimum
pressure which must be exerted by the pads
during brake applications to clean the rotors is
not reached.
Should corrosion form on the brake rotors, the
brakes will tend to respond with a pulsating
effect that even extended application will fail to
cure.
When vehicle is parked
Condensation forms in the air conditioner sys-
tem during operation, and then exits under the
vehicle. Traces of condensed water under the
vehicle are therefore normal.

Everything from A to Z
270 Electric steering wheel
adjustment54
Electronic brake-force
distribution91
Electronic oil level check232
Emergency operation, refer to
Manual operation
– door lock32
– driver's door32
– fuel filler door218
– luggage compartment lid34
– tailgate35
– transmission lock, automatic
transmission65
Emergency operation, refer to
Moving manually
– glass sunroof42
– panorama glass sunroof44
Emergency release for
luggage compartment lid in
cargo bay34
Emergency request247
Emergency services, refer to
Roadside Assistance248
"Enabled services"215
"Enable services"215
"End call"202
Energy-conscious driving,
refer to Energy Control79
Energy Control79
Engine
– breaking-in134
– data254
– overheated, refer to Coolant
temperature78
– speed254
– starting62
– starting, with comfort
access38
– switching off62
Engine compartment231
Engine coolant233Engine oil
– adding233
– additives, refer to Approved
engine oils233
– approved engine oil233
– checking oil level232
– electronic oil level check232
– interval between changes,
refer to Service
requirements81
– oil change233
– oil grades, refer to Approved
engine oils233
"Engine oil level"232
Engine output, refer to Engine
data254
Engine overheating, refer to
Coolant temperature78
Engine speed, refer to Engine
data
254
Engine starting, refer to
Starting engine62
"Enter address"144,151
Entering destination via town/
city name145
Entering intersection,
navigation146
Entering the
address144,147
Entering town/city for
navigation145
Entering zip code for
navigation145
"Entertainment"168
Entertainment sound output
on/off169
Entry map for destination148
Environmentally friendly
driving, refer to Energy
Control79
"Equalizer", refer to Tone
control171
Equalizer, refer to Tone
control171
"ESN"179ESP Electronic Stability
Program, refer to DSC
Dynamic Stability
Control92
Event Data Recorders236
Exhaust system, refer to Hot
exhaust system135
Exterior mirrors53
– adjusting53
– automatic dimming
feature54
– automatic heating53
– folding in and out53
– tilting down passenger-side
exterior mirror53
External audio device124
Eye for tow-starting and
towing, refer to Tow
fitting249
F
"Fader", refer to Tone
control170
Fader, refer to Tone
control170
Failure messages, refer to
Check Control83
False alarm
– refer to Avoiding
unintentional alarms38
– refer to Switching off
alarm37
Fastening safety belts, refer to
Safety belts50
– warning lamp50
Fastest route for
navigation154
"Fast route" for
navigation154
"Favorites", calling up with
radio176
Filler neck for washer fluid69
Filter, refer to Microfilter/
activated-charcoal filter118
Fine wood, refer to Caring for
your vehicle brochure