Version Key (D2), Certificate Of Registration Part 1

• The tire package number, for example part RT, can be found in the "D.2" field, version code, and in the certificate of registration part 1.
• The tire package number, for example RT, indicates which wheel/tire combination is approved for the vehicle.
• The tire package number, for example RT, and the associated wheel/tire combination are obligatory for the respective vehicle.
• The tire package number can be for WLTP in the version code.
• The tire package number can be for NEFZ in the version code.

Example:

Depending on the transmission type, the tire package number is not always in the same position in the version code.

The version key in the certificate of registration part 1, in the "D.2" field: tire package RT1, meaning that only these wheel/tire combinations are permitted for the vehicle.

The permitted wheel/tire combinations based on tire package RT1 can be found in the selected engine version for the vehicle.

The tire package number in the version code can be for WLTP approvals.

WLTP = Worldwide harmonized Light vehicles Test Procedure

The tire package number in the version code can be for NEFZ (NEDC) approvals.

NEFZ = Neuer Europαischer FahrZyklus, (NEDC = New Eurpean Driving Cycle).

Field D.2: