GoNz0

ISTA P is next to useless and should never be used without a genuine ICOM. go on Amazon and get a switched dcan cable.

Try the pressure transducer or just give up and map it out if the DPF has been removed.

It's just red rubber grease but BMW and ATE say you should use this https://www.ebay.co.uk/itm/261534699479?

It should have a plastic guide on it?

Check the alignment mark on the column, it's easy to go one out and push it out of shape, it's also easy to put it right

I'm going to guess the sleeves worn. Sent from my SM-G920F using Tapatalk

It could be, the systems fussy on active steering.

I had no idea you could get the twin sockets like that, I have the factory 13 pin one instead.

It will work

HiFi is inline with the subs, not optical. You have a MOST breakout box in the boot to tap and extend the loop to the L7 amp.

Used m8, 13 speaker ran via the optical loop driving all speakers, HiFi is the basic upgrade.

TLDR, the easiest upgrade for good sound is the logic7 retrofit, cost saving would be the HiFi amp that only powers the bigger subs but will add tweeters. I went up a level and fitted the individual but the price jumps from around £450 for the L7 to £1+

Part numbers for the Japan frequency, the case and battery fit them all.

Buy the battery kit off ebay, you get a battery and case. As it's the E61 you should check the tailgate wiring as that is usually the cause.

Did you ever get this sorted? My mates just imported a bloody 550i from Japan and dropped this task on me...