No experience with the b16s but I went from lowering springs on stock struts to lowering springs on b8s and it made a world of a difference.
Owner reviews for strut assembly
Besides routine maintenance I've only had to replace the starter, valve cover gasket and struts.
To me what it sounds like is the strut tops are worn out but at that mileage i would replace struts also ..... maybe be easier to find a complete set aftermarket monroe makes a decent set and is much cheaper than factory strut and mount and a hell of alot easier to change and safer if you are planning to change them yourself .......................edited for typo
I'd get KYB for the front and Mando for the rear.
KYB is OE on a Toyota. I have used these on several cars without an issue. They might be a little stiff at first.
Looking at good quality replacement parts and non dealer labor ($150/hr), you can fix it for 6k. Sway bar links, shock absorber, control arm: $900 in parts (OEM struts, Mevotech Control Arms) + $150 alignment + 5-7 hours of labor.
I have a 2015 f82 I bought 4 years ago with 49k miles. I now have 110k. Standard maintenance but the parts can be expensive. Also learn to do the work yourself. I have the adaptive suspension and just found out new struts are $1000 apiece for the front. That kinda blew my mind.
The factory Sachs struts are also pretty good. Not sure if the M-Sport got different shocks from the regular sport, but all that's left anymore from Sachs are sport struts. Unfortunately for those of us without the sport package it makes shock replacement a pain, since their resting position is shorter than stock, and makes them shorter than the spring. I never want to do that repair ever again.
My kyb quick struts on my sienna lasted about 7 months. One leaked, the other top bearing plate failed.
Their struts are fine but everything else is shit.
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