Have technical modifications entered in the vehicle documents
<p>Some examples of technical modifications are</p>
<ul>
 <li>Installation of a catalytic converter or particle reduction system</li>
 <li>Changes to the vehicle class</li>
 <li>Change in engine capacity or power</li>
 <li>Increase/reduction of the maximum speed determined by the type of construction</li>
 <li>Changes to the permissible axle loads, the total weight, the payload, the fifth-wheel load, the trailer load, the towed load</li>
</ul>
<p><strong>The installation of a particle reduction system has an influence on the pollutant class and on the authorisation to drive in so-called environmental zones.</strong></p>
Documents Installation of exhaust gas cleaning system Installation of exhaust upgrade system Load Mental Modification Motor vehicle Ordinance Particulate Particulate filter Reduction Rehkitz Reregistration Retrofitting Retrofitting particulate reduction system Soot particle filter Technical Towed Vehicle called capacity cleaning document entered environmental exhaust files increase modifications pollutants vehicles

# Have technical modifications entered in the vehicle documents

## Summary

You must report technical modifications to your vehicle to the vehicle registration authority so that they can correct the vehicle documents.
## Description

Some examples of technical modifications are

* Installation of a catalytic converter or particle reduction system
* Changes to the vehicle class
* Change in engine capacity or power
* Increase/reduction of the maximum speed determined by the type of construction
* Changes to the permissible axle loads, the total weight, the payload, the fifth-wheel load, the trailer load, the towed load

**The installation of a particle reduction system has an influence on the pollutant class and on the authorisation to drive in so-called environmental zones.**

## Responsible Department

KVR
## Required Documents

* Registration certificate part I (vehicle registration document)
* Registration certificate part II (vehicle registration document)
* Proof of valid general inspection
* For commercial vehicles: [safety inspection](https://www.muenchen.de/rathaus/Stadtverwaltung/Kreisverwaltungsreferat/Verkehr/KFZ-Zulassung/Sicherheitspr-fung)
* Confirmation/acceptance of installation or removal by an officially recognised expert or an inspector for motor vehicle traffic
* Type approval from the Federal Motor Transport Authority

## Fee Range

from 11.70 euros  

with simultaneous exchange of the vehicle documents for the new registration certificate part I and part II: 25.80 euros

## Legal Basis

Vehicle Registration Ordinance

## Further Links

* [General Data Protection Regulation](https://stadt.muenchen.de/infos/dsgvo-datenschutzgrundverordnung.html)

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