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Possible cause:
Coolant level too low.
Checking coolant level (72).
If the coolant level is too low:
Topping up coolant (73).
Possible cause:
Radiator fan defective.
If the radiator fan does not starteven though the coolant-temper-ature warning light shows:
Have the fault rectified asquickly as possible by aspecialist workshop, preferablyan authorised BMW Motorraddealer.
Possible cause:
Insufficient cooling.
If possible, ride in the part-loadrange to cool down the engine.
In traffic jams, switch off theengine, but leave the ignitionswitched on so that the radiat-or fan continues to operate.
If the coolant temperature isfrequently too high, have thefault rectified as soon as pos-sible by a specialist workshop,preferably an authorised BMWMotorrad dealer.
ABS warnings
Mode of presentation
ABS warnings are indicated byABS warning light1.
The detailed descriptions start onpage (54), and you will findan overview listing the possiblewarnings on the next page.
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zStatus indicators
Page 45 of 136

Settings of the spring-strut andshock-absorber system
Imbalanced load
Loose clothing
Insufficient tyre pressure
Poor tyre tread
Etc.
Risk of poisoning
Exhaust fumes contain carbonmonoxide, which is colourlessand odourless but highly toxic.
Inhaling the exhaust fumestherefore represents ahealth hazard and can evencause loss of consciousness withfatal consequences.
Do not inhale exhaust fumes.Do not run the engine in an en-closed space.
Catalytic converter
If misfiring causes unburned fuelto enter the catalytic converter,there is a danger of overheatingand damage.
For this reason, observe the fol-lowing points:
Do not run the fuel tank dry.
Do not attempt to start or runthe engine with a spark-plugcap disconnected.
Stop the engine immediately ifit misfires.
Use only unleaded fuel.
Comply with all specified main-tenance intervals.
Unburned fuel will destroythe catalytic converter.
Note the points listed for protec-tion of the catalytic converter.
Risk of overheating
Cooling would beinadequate if the enginewere allowed to idle for a lengthyperiod with the motorcycle ata standstill: overheating wouldresult. In extreme cases, themotorcycle could catch fire.
Do not allow the engine to idleunnecessarily. Ride away imme-diately after starting the engine.
Tampering
Tampering with motor-cycle settings (e.g. elec-tronic engine management unit,throttle valves, clutch) can causedamages to the components inquestion and lead to failure ofsafety-relevant functions. Dam-age caused in this way is notcovered by the warranty.
Do not tamper with the motor-cycle in any way that could resultin tuned performance.
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zRiding
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If plastic parts are cleanedusing unsuitable cleaningagents, the surfaces can be dam-aged.
Do not use cleaning agents thatcontain alcohol, solvents or ab-rasives to clean plastic parts.
Even fly-remover pads or clean-ing pads with hard surfaces canproduce scratches.
Soften stubborn dirt andinsects by covering the af-fected areas with a wet cloth.
Chrome
Use plenty of water and BMWshampoo to clean chrome, par-ticularly if it has been exposed toroad salt. Use chrome polish foradditional treatment.
Radiator
Clean the radiator regularly toprevent overheating of the en-gine due to inadequate cooling.
For example, use a garden hosewith low water pressure.
Cooling fins can be benteasily.
Take care not to bend the finswhen cleaning the radiator.
Rubber
Treat rubber components withwater or BMW rubber-careproducts.
Using silicone sprays forthe care of rubber seals cancause damage.
Do not use silicone sprays orother care products that containsilicon.
Paint care
Washing the motorcycle regularlywill help counteract the long-termeffects of substances that dam-age the paint, especially if yourmotorcycle is ridden in areaswith high air pollution or naturalsources of dirt, for example treeresin or pollen.
Remove particularly aggressivesubstances immediately, how-ever, as otherwise the paint canbe affected or become discol-oured. Substances of this natureinclude spilt fuel, oil, grease,brake fluid and bird droppings.We recommend BMW vehiclepolish or BMW paint cleaner forthis purpose.
Marks on the paintwork are par-ticularly easy to see after themotorcycle has been washed.Remove stains of this kind im-mediately, using cleaning-gradebenzene or petroleum spirit on aclean cloth or ball of cotton wool.
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zCare