[C.J]

Recently my 335i has been throwing the engine management light when under load (2+ people in), randomly when accelerating. It's happend 7/8 times in the last few weeks.

The last few mornings it started up and sounded like crap (I'd guess it was missfiring), popping and running like a tank, then the EML comes on.

After a restart it would go away.

Today it's at BMW for a service, and I've asked them to check what's wrong.

They've called to say no codes stored except an exhaust flap issue. They've confirmed this would cause the issues I've mentioned.

Is there ANY possibility they are correct? I can't imagine how this is remotely connected given the way it drives.