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When does the speed limiter have to be tested?

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After any change of the effective circumference tyre size

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After any change of the fuel supply device

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After any change of the exhaust system

Here is Our AI Assistant's Explanation

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The speed limiter plays an important role in ensuring vehicles comply with speed regulations. In Germany, it is mandatory to test the speed limiter after specific modifications to the vehicle.

1. After any change of the effective circumference tyre size: Changing tire size can affect the speedometer's reading and the vehicle's speed capabilities. Therefore, a test is necessary to ensure the speed limiter operates correctly with the new tires.

2. After any change of the fuel supply device: Modifications to the fuel supply can impact engine performance and, consequently, the vehicle's speed. Ensuring that the speed limiter works correctly after such changes is crucial for maintaining legal speed limits.

It's important to test the speed limiter after these modifications to ensure safety and compliance with traffic laws, preventing potential accidents and legal consequences. The option concerning changes to the exhaust system is not necessary for the speed limiter's functionality and does not require additional testing.

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