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BMW E46 TRANSMISSION UPGRADES
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ACTIVE AUTOWERKE
$2,999.00 |
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Why
create horsepower, just to lose it in the translation?
It makes no sense to boost engine
performance like crazy, only to have the power dissipate as it
moves back through the drive train. Yet that’s exactly what
can happen with weak and inferior clutch/flywheel systems.
To resolve this problem, Active Auotwerke sought out
the sources who make clutches for Formula 1 teams in Europe.
(We love aiming high.) The result is a clutch system that
handles anything you throw at it – including power up to and
beyond the 600 HP potential of a performance programmed S54
engine. Yet retains the civility you need for everyday
driving.
CLUTCH DISC Unlike the solid factory
clutch disc, our performance version uses a series of springs
to effectively dampen gearbox chatter. An organic composite
lining delivers baby-smooth engagement and transition of
power, and is easy on the flywheel face.
PRESSURE
PLATE Our pressure plate has true racing heritage. Pedal
effort is a tad strong (most noticeable on 6 speed versions)
but is probably unmatched in its exertion of clamping force. A
sturdy strap design and precision engagement clearance and
balance characteristics round out the design profile. This
high-performance component is fully compliant with factory
specs, and can be used without changing out the stock steel
flywheel, if desired.
ALUMINUM FLYWHEEL?? The
physics are beyond question: reduce flywheel weight and you
noticeably increase acceleration. So when we tell you our 6061
T6 tempered alloy unit tips the scales at just 12 lbs vs the
42 lb stock flywheel, you can imagine what performance gains
are in store. Yet, weight alone is just part of the
equation. Durability is also key. Our patent-pending retaining
pin design totally eliminates the common problem of pin
disengagement in aluminum flywheels – a failure that can cause
major damage to your transmission bell housing. Ideal for both
street and mild race use, the quicker throttle response and
perfect balance of an installed Active Autowerke flywheel is
easily felt in the drive. Machined to precise tolerances, the
unit comes with a thick replaceable friction plate and
correctly-configured ring gear for smooth starter gear
engagement. It will accept either the factory stock clutch kit
or an Active Autowerke performance clutch utilizing a sprung
disc arrangement.
| Key
Features |
| CNC machined aluminum flywheel;
12 lbs and vibration-free |
| Correct teeth on ring gear
ensure correct starter gear engagement |
| Smart-design pressure plate pins
emgineered to never dislodge and damage transmission
bell housing |
| Replaceable flywheel friction
face |
| Applicable for SMG and 6-speed
manual gearbox cars |
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Tested and proven to handle over
600 HP  | |
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Quaife's compact drum design of
the sequential mechanism allows this unit to be fitted to
small GT cars, Caterhams, and other cars now using Sierra or
Rocket gearbox. This gearbox features:
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Available
as complete 4-, 5- or 6-speed gearbox or conversion
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Open
face dog gears allow quicker and more positive gearchange
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Uses
modified Ford maincase with QUAIFE bearing plate and tail case
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Same
overall dimensions as original Ford gearbox
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Many
gear ratios and custom input shaft lengths available
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No
modifications needed to transmission tunnel
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Alloy
maincase optional
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Digital
gear position indicator available
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Maximum
Recommended Horsepower by Quaife is 300HP.
$5,800.00 |
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CM CLUTCH MASTER FOR BMW E46
$665.00 up to
$1,700.00 |
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ACPT
carbon fiber driveshafts provide a special measure of
performance and extra safety. Independent testing by a
leading automotive magazine (Turbo, October, 1996) showed rear
wheel horsepower gains of more than 5% with the simple switch
to an ACPT carbon fiber driveshaft. This significant increase
is primarily due to lower rotational mass of the driveshaft.
Carbon fiber offers you more strength to resist extreme torque
than steel with about half the weight. Just like the common
use of lightweight clutch and flywheel units, a lightweight
driveshaft allows more of you engine's power to be applied to
the ground.
In addition to minimizing rotational
power losses, the unique vibration dampening
characteristics of carbon fiber also help improve power
output. Engine builder are familiar with the power gains that
high performance crank dampeners can provide. ACPTs carbon
fiber driveshafts give you similar benefits by cutting power
losses due to drivetrain vibration.
ACPT carbon fiber driveshafts are an
obvious advantage on the race track; but they also provide the
same benefits on the street in cars and trucks as well as in
industrial applications. Many cars, pickups, and vans
experience vibration problems and performance limitations with
OE metal driveshafts, especially two-piece units. Dealers and
mechanics around the world are discovering that the only sure
way to cure these problems is to install a one-piece
driveshaft from ACPT.
$1,500.00

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AC Schnitzer concentrates on the transfer of
technology from racing to road tuning, and avoids the
comprimises necessary in large-scale series production without
even the slightest restriction on suitability for every day
use. AC Schnitzer offers a complete range of special
accessories for all BMW models.
The ACS short shift kit for the E46 M3
reduces shifts up to 25% from stock. A must for any
enthusiast!
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