Seat bases can snap as well, check for whining from the engine bay (oil diaphragm). Liqueur has a habit of peeling from stone chips and water ingress/pressure wash.

Only problem I had with mine 06 was the clutch slipped after a remap (RS one sorted that) and the gauges played up but they fixed them selves. (Sensors can play up)

I got about 19-24 around town and 30+ on a motorway run.
Best I ever got was 39