14-19 BMW F30 F32 F34 320I 340I M3 M4 ASD HARMAN AMPLIFIER $100 Refund core

Part Number: 9343815, 9366167

tested 100% working condition

if you have question with install pls send us message, we will help you with step by step installing. thanks

come with 6 month warranty return accepted thanks

The listing comes with the opportunity of returning your defective core amplifier for a $100 refund.

Core refund process:

We provide a return shipping label in the box with the unit that you have purchased.

You return your old/defective core in the same packaging using the enclosed return shipping label.

Most units qualify for the full refund amount, though major liquid and physical damage can lower the refund amount.