Union Nut, Tightening Specification

WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

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