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What makes
the UUC Motorwerks Ultimate Short Shifter so good
is that it uses the best custom parts and addresses the "problem"
areas of the factory design to give you the smoothest and most precise
shifting possible in a BMW.
There are other BMW short
shifters on the market which is a good thing...it makes our product the easy choice.
UUC Motorwerks Ultimate
Height-Adjustable Short shifter
Go directly to the in-depth description page.
AC Schnitzer
This kit has a US retail price of $1050 through CEC.
The ACS kit has a new CNC'd carrier, as well
as a new shifter lever.
Interestingly enough, it uses a shifter manufactured by the same company
that makes BMW's original shifters, which can lead to the same issues of
slop and mushiness as the shifter that came in the car. The kit has
limited applications (mostly to E36 M3s) and installs in anywhere from 1 hour to 3 hours,
depending on your level of mechanical ability. Instructions are minimal.
The shift knob sits about 1" higher than stock.
UPDATE: Schnitzer has recently outsourced the manufacturing of their
shift lever to Valeo, the original equipment manufacturer for BMW.
Construction is identical to the original BMW lever with modified
dimensions.
A nice overall product but afflicted with the original problem
of a plastic
shifter ball.
| AC Schnitzer |
| Pros |
Cons |
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- Price.
- Lever will flex and bushings will wear
like original lever.
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| Direct
comparison between UUC Ultimate Short Shifter and AC Schnitzer short shifter: |
|
height |
throw |
3rd-Neutral
force |
4th-Neutral
force |
| AC Schnitzer |
5.75" |
3.5" |
4.0 lbs. |
7.75 lbs |
| UUC Motorwerks |
5.75" |
3.5" |
3.0 lbs. |
5.75 lbs. |
B&M
B&M recently posted a significantly inaccurate and
misleading
comparison of their new shifter product in comparison to our UUC
product.
Read the truth: click
here.
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Note that many B&M shifters are a solid-metal
design that will definitely transmit substantial vibration and noise
into the cabin.
Central pivot cup does not securely attach to original carrier, it
relies on the friction of two rubber O-rings and a side-sheared clip to hold in place.
That means that it is possible to pull the assembly out while driving.
Central pivot components are not self-adjusting and loosen due to use,
resulting in a buzzing and clicking.
Plastic lower pivot bushings will wear and loosen, worse than original BMW
bushings. Material selection for this high-load part is
inappropriate for the forces of the BMW selector rod.
Independent
user review: Evo3 vs. B&M comparison - click here.
Independent
examination of B&M - click here.
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Metric Mechanic/Auto Solutions
This kit is also sold under the BMP Design, Bekkers, and Bavarian Autosport name in their
catalogs. Retailing from $185-$270, this kit has been around for
quite awhile.
Unfortunately, the problem with this kit is that it uses BMW's older,
discontinued two-piece lever design, and it uses BMW clips to hold it
together... the same clips that used to loosen up on the BMW shifters
which is why BMW discontinued them in the first place. This older-style
two-piece shift lever can loosen up and has been known to come apart during
shifting. Depending on which version purchased, Auto Solutions' basic kit
uses a factory upper,
shown on the picture on the left resulting in a higher shifter
position in many models. Here's a quote from Autosolutions: "Since the Upper
lever is insulated from the lower lever (steel portion with the pivot ball) with a
resilient material -typically vulcanized rubber- some flex will occur at the upper
lever."
Their
alternate version is fundamentally identical, with the exception of
machined aluminum upper sections (shown in red to left and silver -
upper right). These versions have the benefit of being at the
right height. Whereas the kit claims "zero clearance bronze bushings", our
slightly used sample has more play than than a factory shift lever.
Metal-on-metal pivots are a bad idea. Even their newly designed kit showed signs of
wear after only a few weeks. As a soft metal, bronze isn't so great as
a "pivot" material. It is also odd in that it offers a replacement
selector rod for no functional reason. The factory part is made of steel and does not
wear out... but we've seen many examples of this replacement bronze selector rod wearing
against the bronze bushing in the lever, and also wearing against the steel clip.
Installation, from the instructions provided, requires professional
assistance, incredible patience, and professional tools. You are required to drop
out the drivetrain and exhaust so it will take you at least 2-3 hours, if you're
lucky. In all reality, this procedure is overly complicated and
the shifter can be installed just like any other brand without removing
these parts. Anticipate paying an independent service shop $200-$250 to install this
kit if the AS instructions are followed. |
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Metric Mechanic/Auto
Solutions |
Pros |
Cons |
- Every part made by
Autosolutions, excellent quality machining..
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- Extra parts made by Auto Solutions (why replace good factory
steel parts with soft bronze?).
- Over-size shifter ball adds to shifting effort and wears out
bushing faster.
- Increased effort in shifting and notchiness.
- Unnecessarily replaces shifter linkage rod. Why buy parts
that you don't need?
- Very difficult install with selector joint replacement.
Requires removal of driveshaft, exhaust, and guibo for installation.
- Clipped-together shifter lever may vibrate or separate
(user reports indicate this happens while driving).
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Kelleners
Sport
Recently imported from Europe, this
kit is nothing other than an original BMW shift lever from another
model with different dimensions. See section on BMW
original shifters for more details.
This kit does include a nice shift knob for $299. As any
replacement BMW original shifter typically retails for $37, that
knob's cost is $262.
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Kelleners
Sport |
Pros |
Cons |
|
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- No linkage re-alignment causes increased effort, notchiness,
and guibo interference in some models.
- Factory lever will have flex
and bushing wear.
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Korman
Korman has a
short shifter kit which is comprised of only a shift lever. It has an adjustable
pivot ball which will allows the user to "dial in" the level of shortening you
want. It sold for approximately $210-$220 and fits E36 and some E30s.
Currently, Korman is having a "clearance sale" at $169.
Korman provides some factory BMW bushings as he expects you to destroy the original
cup which holds the shifter.
This lever appears to be a threaded rod with a welded part on the bottom (for the
linkage arm), clipped to an old style factory upper lever. BMW used to make levers this
way a long time ago, but have since gone to the one piece method - the
clipped-together shifters
loosen up and may come apart. There are marks on the threaded rod indicating that
it has been bent in some manner (the threads are squished). It has 3 little allen
screws which hold the ball in place once spun into position. Adjusting
the height also radically changes the shift throw, resulting in increasingly
higher effort to shift.
The other thing which is not clear is how someone could be
expected to adjust their pivot ball easily... to do so with this shifter would
require complete removal of the unit. A good
concept, perhaps, but since it requires shifter disassembly to implement, it is not viable
in our opinion. Additionally, changing the reduction forces a
change in shifter height.
This product also suffers from the problems of a
plastic
shifter ball.
| Korman Adjustable Short Shift Kit |
| Pros |
Cons |
- Adjustable leverage.
- Includes factory nylon cup
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- 'Hardware store' quality parts
- Increased effort in shifting and notchiness
- Doesn't look so good.
- No tool to remove cup. They expect you to break it taking
it out.
- Common complaint of adjustable ball coming loose.
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 Blonde Motorsports
Back in the market, Blonde Motorsports is back marketing again as we saw the ad in a
recent Roundel magazine. They offer a kit for $189 which includes a "one piece
lever", a knuckle, cup, and linkage rod. Unfortunately, there is no mention
about how much throw is reduced.
Blonde
Motorsports |
Pros |
Cons |
|
|
- Lightweight lever will transmit a lot of vibration.
- Questionable reduction of shifter throw
- Increased effort in shifting and notchiness
- Flimsy lower pivot bushing
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Shift
adapters
This
sort of kit retails for $99. The kit is a simple aluminum adapter which
relocated where the lower linkage arm attaches to the bottom of the shift lever,
increasing it's leverage. In theory, it's a good idea. In application, it's
not the greatest... the lower plastic bushing isn't very snug when new and wears out
rather quickly. Owners of this adapter tell us that their shifter gets sloppy very
quickly.
Installation is about an hour, with instructions that are poor. Overall, the
shifts are shorter, but a common complaint is that the shifts are sloppier. Click here to see what
www.MZ3.net had to say about it.
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Shift adapter |
Pros |
Cons |
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- Adds additional play into shifter, increases sloppiness in
shifting.
- Increased effort in shifting and notchiness
- Poor instructions, awkward install
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BMW
factory shifters (BMW M Roadster lever and others)
Many companies offer a shifter that is simply a factory M Roadster
or other 3-series lever
(BMW retail $37). The only
modification to this shifter is a simple bend and cosmetic polishing.
BMW levers inherently have flex between the two sections, and despite crimping
to strengthen this, they will still loosen up.
The plastic lower pivot bushing is another area of slop that will return, and
even worse, has a plastic pivot ball that gets rough with use as the miles
add up. Click
here for more details on why plastic pivot balls are a bad idea.
Think about it - if your original lever got sloppy, wouldn't a replacement
factory lever get sloppy too?
Even brand-new, a BMW shift lever will exhibit this kind of looseness
and flex. This video shows a new lever clamped to a workbench and being
wiggled just with finger strength:

For
a closer look, click here.
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Factory shifters |
Pros |
Cons |
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- No linkage re-alignment causes increased effort, notchiness,
and guibo interference in some models.
- Factory lever will have flex
and bushing wear.
- You get what you pay for.
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Shortened
Factory shifter
Shortened factory shifters present some critical problems.
Besides suffering from all the problems of a simple factory
lever swap, this sort of "conversion" involves damage to the lever
that permanently compromises the structural rigidity. Breaking the
original rubber bond cannot be repaired properly regardless of adhesive.
This is a "DIY" job that is better left to the Hyundai crowd.
Even worse, this sort of hacked-up shifter is promoted as being the "ideal
height"... as valid a concept as saying that every person should be the
same height.
Pros |
Cons |
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- Factory lever structurally weakened will
loosen and have flex
and bushing wear.
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No linkage re-alignment causes increased effort,
notchiness,
and guibo interference in some models.
- Height reduction too short for most
drivers (this mod should be used for Z3s only).
- Plastic
pivot ball and plastic lower pivot degrade rapidly.
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