Looks to be something like that.
In other, more significant news, the car is now on new dampers all round and OEM height springs, with new top mounts and bumpstops front and back, too.
It's now ridin' tight and high - ideal for fast road driving. It is actually much firmer than it was on the soggy lowering springs
I also fitted a wiper to the tailgate, which is ace and re-fitted the front numberplate with screws, after it fell off a little while back.
As I had some time after all this I had a rummage about down the back of the engine bay and I think I've substantially reduced the vibration, after re-shaping the heat shield, with was touching the exhaust.
As this is a holistic project, the effect of all this improvement is that the electric windows have stopped working