My 2014 GS 250 F Sport has had an advisory for misting on the NSF shock absorber- 85000 miles eye watering replacement cost from dealer almost £500 per side but they say there’s no need to replace both ? .. I’ve had 4 previous Lexus cars and driven them all past 150k miles and up to 200k with no suspension problems .. is this a common problem on the latest GS.