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Greetings from Germany !

Oktoberfest Special : 

DHL up to 1 KG Worldwide (outside Europe)

15 euro ( ca.US$16.50) 
(special deal for Injector Kits only, offer ending 30th of Oct.)

in case you have a problem when ordering, eg your country is not listed, or PayPal doens't work, just drop me an email 


Tanks for visiting my store, please understand that we are not native speakers and our
translation may contain some mistakes.

Please let us know in case you find any!

Any suggestions welcome.


this is all around gasoline engines only...


For a smooth engine run four things are needed in the right amount, at the right time, in the right place:

air + fuel + compression + spark


The air intake, sparkplugs and compression are typically taken care of  during the normal service, filter change ,
spark plugs optimization , synchronization , valve clearance etc. are normal issues for our ToDo list .


The fuel supply and mixture preparation , those components that do supply the energy to the engine are
usually assumed to be working perfectly for engines with injection and subjected to no further maintenance .


( funny actually , that we used to clean carburetors on a regularly basis in old days.. )


Here lies an untapped potential for improvement, that can now be implemented.



Injectors are maintenance parts.
Fuel Injectors lose their original properties, typically measurable after 30-40,000 KM,
(but also after prolonged exposure or contaminated fuel, for example, water in the tank)
noticeable, depending on the machine, usually after about 40-50,000 KM.
Two cylinder engines are more sensitive to discrepancies in fuel amount injected than three or four cylinder engines.
 Engines run much smoother with less vibes and accelerate faster 
with injectors that do inject uniformly accross the entire RPM range.

Brand new injectors without synchronising already show tolerances in amound of Fuel suplied, 
far from Optimum.

Thus modern engines use lambdas per cylinder for Fuel synchronisation during run.
Same smoothness in engine run now possible on older bikes as well.... 
The ignitability of the air-fuel mixture and thereby the engine running is positively influenced 
by optimizing the atomization using modern injectors vs older styles.
Modern injectors atomize significantly finer than those of the first generation.
The injectors offered here are tested dynamically accross the RPM Range 
and put together sets with minimal deviation in Petrol supplied.
All the positive feedbacks to be read in different forums are essentially based on this principle.
An additional effect can be achieved in improving atomization, as icing on the cake.
Changing Injectors from older style to modern once with better atomization 
without dynamically synchronizing the injected Volume, 
can have a negative effect to the engine run. 
Therefore we only offer synchronous Injectors in Sets.

Our advice

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New product

TPS THROTTLE POSITION SWITCH Bosch  =  BMW  13631461852 - used - tested - OK


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THROTTLE VALVE SWITCH K75 K100 Bosch = BMW  13631273265 - USED - OK


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