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Home >> BMW >> 2025 >> M4 Competition >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio, Navigation, Anti-Theft, Airbag Control -- Tightening Torques M4 (G82 & G83) >> 65 12 Radio, Audio Amplifier, Head Unit

65 12 Radio, Audio Amplifier, Head Unit

65 12 TIGHTENING TORQUE OVERVIEW

Amplifier/RAM to holder 
M5 screw Tightening torque  3 Nm
Nut Tightening torque  3 Nm
Central bass loudspeaker to floor assembly group 
Nut tightening torque  5 Nm
Central bass speaker trim 
screw Tightening torque  2 Nm
Head unit on holder/holder on support 
Screw tightening torque  1.8 Nm
Holder to body 
Nut tightening torque  6 Nm
Screw tightening torque  6 Nm
Post amplifier to holder 
Screw tightening torque  3.3 Nm