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      11-01-2025, 12:27 PM   #64
rlesko
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Drives: F30 335i
Join Date: Jan 2023
Location: New England

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2020 X5 40i  [0.00]
2012 335i  [0.00]
Thanks to blau3er for his generosity in composing and sharing the PDF guide. I am hopeful to undertake this retrofit in early 2026, except my vehicle only equipped with HiFi system.

Most notable difference between HiFi and HK as far as wiring is concerned is the addition of MOST connection at the amplifier. Since my car came from factory equipped with CIC + Combox, there is actually a MOST connection in the trunk. Since I've retrofitted NBT Evo with ATM, this MOST loop is now terminated and sitting unused. I believe I can utilize this connection to the new amplifier.
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Performance Mods: Eibach Sway Bars, KONI SA Dampers, M Perf Rear Brakes, MSTv2 Turbo Inlet, Akrapovic Evolution Exhaust, Fabspeed Catted Downpipe, MHD/xHP Stage 2, M Sport Auxiliary Radiator
Retrofit: Reversing Camera (3AG), Rear PDC (507), Front PDC (508), NBT Evo (from CIC), Active Cruise Control (5DF)
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