that's probably the adapter Lotus used to attach the transmission to the engine... its not just the Emira, the earlier Lotuses were like this as well.
Annoying, but it's not broken, they all do it
when in Tour, cabin is pretty quiet and you can have a conversation.
Once the valves are open, the volume in the cabin definitely goes up and listening to the infortainment/ having a conversation will not be ideal
Whatever the underlying mechanical reason, it is definitely ECU related.
There was a group which purchased JUBU ECUs a while ago, and while that caused its own problems, one thing that stopped was stalling when cold.
It's probably related to some emissions tuning which aftermarket ECUs won't...
looks like its not just in the US - dealer here just told me he can only order i4's going forward.
Even the configurator only shows the i4 in the video splash screen....
Some people have had issues with cars not starting smoothly after not being driven for a while.
https://www.emiraforum.com/threads/cold-start-stalling.2715/post-119779
The latest Lotus software update fixed this for some people.
IIRC this is from the adaptor Lotus makes to mate the Aisin diesel transmission with the Toyota engine (which is ordinarily connected to an automatic gearbox).
They all make that sound to some degree apparently, it's a feature not a bug!
Last dealer visit / update was in Feb 2024...
I don't think it's software related at this point because it would have gone away for everyone once they got the relevant update. Someone on this forum mentioned that there was a recall on certain Toyota fuel pumps, maybe some of us have ones which...