Keep your skuttle panel free from leaves and other crap as it blocks the drain tubes and causes the skuttle to flood.
We always clean off the wheel hubs and put a thin layer of copper grease on them to stop the wheels corroding to the hub and being a pain to get off. The renaultsport wheels are common for this. I would advise changing your oil and filter more regularly than the service intervals says, the most common cause of dephaser rattle is poor oil imo
The biggest tip is for people like myself with recaros, learn to dive through the windows so you don't wear down the bolsters lol