Danny428F33

Thank you Dave for the welcome and the reply. The original unit, i believe, was the next stereo up from the base unit, not anything flasher than that. BMW are about as much use as a chocolate teapot and can't/won't tell me what i need without me booking it in with them for them to look and diagnose any issues. My nearest BMW dealer is 30+ miles away and i really don't have the time or enthusiasm to make the trip for them to sell me all the OEM equipment that was removed last time the same fault happened. The issue is the well documented (and ignored by BMW) problem of water entering the boot and sills due to a design flaw, short of silicone sealing all the rear light fittings and drilling holes into my boot floor to drain the water, the issue will continue. Once i figure out what Amp i can replace this one with, i will be looking at jacking up the Amp or creating a unit to sit it in to keep it out of any standing water. Thanks again Dave.

Hi All I have a BMW 428i F33 2014 model. The audio amplifiers has been replaced. I bought the car second hand, after less than 3 days the audio amplifier popped and it was replaced by the garage i bought the car from (at no cost to me). However it has blown again. All sounds, both audio system and the normal bings and bongs have all stopped. I have taken the unit out of the boot and discovered it has been replaced with an Audison Bit Ten Signal Interface Processor bit drive and a Hertz Mille ML Power 5 5 Channel Amplifier. It is clearly the Hertz unit that has fried. Both 40amp fuses are welded in place and the unit stinks of burnt electronics. The Audison unit still gets power and appears fine. My question is, do i need to replace the Hertz unit with the same unit again? They are just over £600 for a new one, or can i use any 5 channel 900w amplifier? ( i know next to nothing about car stereos) Has anyone else had the same or similar issue? I don't want a mega pounding, super maxed out stereo, i just want the car to bing and bong again and be able to listen to Radio X on my 7 minute drive to work! I may possibly have included some pictures below? Thanks for your expertise and guidance 1000012573.heic 1000012574.heic 1000012575.heic 1000012576.heic