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Turner Motorsport Z4 Power Pulley Upgrade Kit
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In stock
SKU: PPK-Z4
Manufacturer: Turner Motorsport
Manufacturer Part No: PPK-Z4
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Z4 2.5/3.0 TMS Power Pulley
Upgrade Kit
Applications:
2003 - 2005 Z4 2.5/3.0 (Z4)
As used on our racecars
and street cars, these are engineered
not only to be the best pulley kits on the market but also to provide
the best
compromise between performance and reliability. Specifically, we have
designed
them to underdrive the water pump, and the alternator*. The Z4 has
electric
power steering and therefore does not need a third pulley. Adding these
is like
getting FREE HORSEPOWER - there are no downsides and underdriving each
of these
accessories has been proven safe through years of on and off-track use.
We do
not believe it is safe to change the crankshaft pulley due to the
potential harm
to the crankshaft. These kits provide a 10%-20% overall reduction in
driving
your car's systems and have been dyno-tested with a gain of up to 11hp.
Kit
includes water pump, alternator pulleys, and belt. The Z4
has electric power steering and therefore does not need a third pulley.
The
T-6061 hard anodized aluminum pulleys account for a 10 to 20-percent
decrease in
accessory speeds, reducing the load on the engine but still maintaining
a safe
margin for reliability on all components. Installation involves
removing the fan
for easy access to the front of the engine. The main drive belt comes
off easy
and each pulley is mounted with Allen head bolts. Typical installation
time is
1.5 hours. New main drive belt is included. The pulleys were good for
10.7hp at 6960 rpm and 8.1 lb-ft of torque at 5550 on the 1995 M3.
*Alternator pulleys -
we offer two kits, one for the performance minded
individual and one for the serious audiophile. If you have a
significant
additional load on the alternator, from aftermarket audio amplifiers,
you will
not want to underdrive the alternator. Thus, we simply lighten that
pulley
rather then underdrive it. Choose from the menu below if you have a
stock or an
upgraded stereo.
Click
Here for Dyno Chart
To
learn more about TMS Pulleys, click here.
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