NSU Prinz I Workshop Manuals
If you want to undertake maintenance tasks on your NSU Prinz I then it is usually a good plan to have a Workshop Manual to use as personal reference if perhaps you want to know tips on how to take off a particular component for example Gearbox and match it again in the right way.
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NSU Prinz I Workshop Manuals will provide you with identifiable diagnostic wisdom for the car or truck so if something is broken it can help you understand what the issue is and tips on how to fix it. After that you can decide if you can do this yourself or in case the job is just too big you could make a booking for your Prinz I in with a decent mechanic.