What Reasons Lead to a Bad Drive Belt in Your BMW

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What Reasons Lead to a Bad Drive Belt in Your
BMW
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The engine of your BMW greatly depends on the
proper functioning of the drive belt.
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The drive belt is responsible for coordinating a
number of spinning pulleys in the engine.
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When the drive belt starts to malfunction, then
there will be also power issues in other parts
which include alternator, water pump and power
steering pump.
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If your BMW is dealing with a bad drive belt,
then a possible reason may be one of the
following.
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Extreme Heat
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The drive belt is exposed to high temperatures
and the stress of bending around the pulleys
leads to cracking.
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The rubber used to manufacture this belt is
designed to resist extreme heat, but eventually
the belt dry out and begin to crack.
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Foreign Particle
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Any foreign particle such as a pebble in the
pulley will cause uneven wear and can cut into
the belt and break the tensile cords.
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This problem mainly occurs in the cars which do
not have a proper engine protection shield and
the belt gets uneven rib wear.
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Misalignment
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Misalignment occurs in the case of a new belt on
worn pulley and lack of tension in the system.
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It leads to piling which makes the belt material
wear off from the ribs and builds up in the belt
grooves.
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Grease
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The oil and grease are the worst enemies of a
rubber belt as they weaken the compound's bonds
and makes the belt soft and spongy.
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This can be irritating to the point of having to
replace the belt because its not always easy to
clean off antifreeze once its embedded in the
belt itself.
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Noticeable signs to detect a bad belt
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An easy way to determine when your belt needs to
be replaced is an annual visual inspection that
checks for cracks, wear and fraying.
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A squealing sound from your BMW indicates that
the belt is slipping as the belt isnt gripping
the pulleys as tightly as it needs to.
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Look for any dips in alternator output such as
dimming lights or a warning light of charge on
the dashboard.
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In order to avoid any problems due to the drive
belt, make sure to check them annually and
replace at an authorized BMW service center.
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