Diesel particle filters are not expanded, but are replaced, if necessary, by more powerful ones.
This is necessary if you want to have your vehicle typed at a later date.
Necessary documents for the registration of a software tuning according to the Federal Ministry of Transport, Innovation and Technology (status 2002):
– Change in performance <= 5%, no authorization required – Performance change> 5%, requires UBS, WBS, L, P and has the consequence of E
– Power increase> 30%, requires UBS, WBS, A, L, G, P and has the consequence of EG
– Power loss> 25%, requires UBS, WBS, A, L, G, P and has the consequence of EG
E…Entry into the type certificate or individual approval certificate
EG…Single permit decision
G…Noise (near field + drive)
L…Proof of motor power (power test)
P…Necessary evidence shall be established during the examination
UBS…Approval by FZG manufacturer or ZT expert opinion or other, suitable body
WBS…Workshop confirmation of a contract workshop