OK just to add to the mudflap confusion ...
Caveats:
- I live in the UK in a rural location and the roads are muddy/gritty October to March so I have some concerns about scouring the paint behind the front wheels, based on model 3 reports from Canada. I've no idea how whether my case is extreme enough to be a problem.
- If I lived in a city/town I wouldn't worry about it at all and wouldn't fit mudflaps based on my experience below...
My model 3 came from the SC with fitted "splashguards" and optional long rubber mudflaps. I fitted these and after some annoyance with them scraping the ground (above) they settled down and seemed to be keeping the car free of mud.
So far so good.
Went to wash the car yesterday and noticed one of the plastic fixings was loose.
Looking closer could see stuff in the gaps between car and plastic mudguard mounts. Took the flap off and it was completely full of mud/sand/water (both sides).
The issue seems to be that the drainage hole at the bottom is very small and the gap between wheel arch liner and the mudflap is very big.
View attachment 597722 View attachment 597723
Others have seen this problem:
Tesla All-Weather Kit: The Correction Is Worse Than The Defect
I also think holding wet mud against the car is going to be worse than being scoured by it, although neither is great.
I'm torn as to what to do next (aside from asking Tesla, who probably don't have a solution beyond the flaps they fitted) - I could:
- try to modify the Tesla flaps by enlarging the drain hole (and/or adding more)
- try to seal up the top a bit more
- fit third party flaps
- just take the flaps off / hope for the best / repaint as needed.
I can't see PPF as a solution in this case - it would help on the face of the rocker cover but the edge that folds over the wheel arch liner in the direct firing line from the wheel would still get sandblasted and I very much doubt it would stay fixed for long.
I've had one previous car that had metal round the wheel arch and it got sandblasted down to the metal with a similar response to Tesla's historic position (not our fault). My wife's BMW has painted metal in that position too and so far has no serious problems after one winter - the paint finish might not be perfect anymore but it looks unbroken.