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Home >> BMW >> 2022 >> M3 Base, Standard Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Audio, Navigation, Anti-Theft, Airbag Control -- Repair -- M3 (G80) >> 65 12 Audio Amplifier, Head Unit, Subwoofer >> 65 12 621 Replacing booster (M3 base, M3 Competition, M3 Competition M xDrive, M3 CS) >> Replacing the post amplifier

Replacing the post amplifier

NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details
TIGHTENING TORQUE SPECIFICATION

Post amplifier to holder 
Screw tightening torque  3.3 Nm
G14645858Courtesy of BMW OF NORTH AMERICA, INC.