Change the emission values.
Lead to malfunctions.
Result in consequential damage.
The operating safety of the engine is not guaranteed in all situations.
Tyres, suspension, brake system and engine cooling system must be adapted to the increase engine output.
Vehicle must be recertified.
Report changes in output to the accident insurance body.
This will otherwise lead to the invalidation of the vehicle's general operating permit and its insurance coverage.
If you sell the vehicle, inform the buyer of any alterations to the vehicle's engine output. This may constitute a punishable offence under national legislation.