E60 530d gone into limp mode.

Ok so as thread title says this evening my car went into limp mode.

There's nothing showing up on the dash car is starting fine but there's no power at all.

Now the glow plug module needs to be changed could this be what is causing it?

I only own the car a few months but so far got egr valve and manifold cleaned out and new glow plugs put in.

In the last two weeks I had it remapped and the dpf cleaned out.

Anyone any ideas?

I've a motorway journey home from work in the morning not looking forward to it now.