Audi A4/Avant (A4)636
MG-SG
ILLUST
DESCRIPTION
REMARK
MODEL
0-51
051-070 
headphones (wireless)
also use: 
''BLUETOOTH''
4H0 051 763 B 
 
0-57
057-060 
headphones (wireless)
also use: 
''BLUETOOTH''
4H0 051 763 B 
 
2 results for 4H0051701B