Union Nut, Tightening Specification

Model, type	System	Country	Nm
A1, S1, 8X	RKA+ Tire pressure monitoring system indirect measuring	USA and rest of the world	------
A3, 8P, 8V	Direct Measuring, Siemens	USA	6 Nm
A3, 8P, 8V	Tire pressure monitoring system indirect measuring	Rest of the world	------
A4, 8E	Direct Measuring, Beru	USA and rest of the world	4 Nm
A4, 8K, 8W	Direct Measuring, Siemens	USA	6 Nm
A4, 8K, 8W	RKA+ Tire pressure monitoring system indirect measuring	Rest of the world	------
A5, 8T	Direct Measuring, Siemens	USA	6 Nm
A5, 8T	RKA+ Tire pressure monitoring system indirect measuring	Rest of the world	------
S5, RS5 8T	Direct Measuring, Siemens	USA	6 Nm
S5, RS5 8T	RKA+ Tire pressure monitoring system indirect measuring	Rest of the world	------
A5, S5 Cabriolet 8F	Direct Measuring, Siemens	USA	6 Nm
A5, S5 Cabriolet 8F	RKA+ Tire pressure monitoring system indirect measuring	Rest of the world	------
A6, 4B	Direct Measuring, Beru	USA and rest of the world	4 Nm
A6, 4F	Direct Measuring, Beru	USA and rest of the world	4 Nm
RS6, 4F	Direct Measuring, Beru	USA and rest of the world	6 Nm
A6, 4G	RKA+ Tire pressure monitoring system indirect measuring	USA and rest of the world	------
A7, 4G	RKA+ Tire pressure monitoring system indirect measuring	USA and rest of the world	------
A8, 4E	Direct Measuring, Beru	USA and rest of the world	4 Nm
A8, 4H	RKA+ Tire pressure monitoring system indirect measuring	USA and rest of the world	------
Q5, 8R	Direct Measuring, Siemens	USA	6 Nm
Q7, 4L	Direct Measuring, Beru	USA and rest of the world	4 Nm
Q7, 4L-12-cylinder	Direct Measuring, Beru	USA and rest of the world	4 Nm
Q7, 4M	Direct Measuring, Beru	USA and rest of the world	4 Nm
TT, 8J	Direct Measuring, Siemens	USA	6 Nm
TT, 8J	RKA+ Tire pressure monitoring system indirect measuring	Rest of the world	------
TT, TT- RS FV	Direct Measuring, Siemens	USA	6 Nm
TT, TT- RSFV	RKA+ Tire pressure monitoring system indirect measuring	Rest of the world	------
R8, 42	Direct Measuring, Beru	USA and rest of the world	6 Nm
R8, 4S	Direct Measuring, Beru	USA and rest of the world	6 Nm
Audi E- tron	Direct Measuring, Siemens	USA and rest of the world	6 Nm
Audi E- tron	RKA+ Tire pressure monitoring system indirect measuring	USA and rest of the world	-----

All other models: 4 Nm