I finally bit the bullet this week and ordered a full set of Special Active shocks from KONI (who I believe licenses their Frequency Selective Damper technology to Tesla)
The result is way better than I expected!! I don’t regret it one bit! It basically ate up all the small bumps on the road. I regularly find myself going over 90mph on the highway without realizing because of how smooth it is!! And this is with the stock springs.
I have Koni stocks and H&R springs with a 20 mm lift (barely noticeable). I like the way the car became more stable and controlled on gravel and highways. However, springs are considerably stiffer, and with 1-2 passengers suspension feels a bit rigid, but just great when the car is fully loaded.
Highly recommend Koni shock absorbers, they are amazing on corrugations, can sit on 100km/h easily.
I've been running stock springs with Koni Special Actives and an 034 rear sway bar on the softer setting. The Koni's have been perfect for my goals, but I do wish for slightly stiffer springs.
My 86 I\u2019m currently on cost me $14,000. After 4 years with it i have about $3,500-$4,000 worth of up upgrades. pads+ rotors
Koni all day, you simply can't beat the lifetime warranty on them. I had my rears leak after 5 years and Koni replaced for free.
Don't replace the springs, just the shocks. Recommend Koni Special Actives for a bit better ride
Replacing the shocks with Konis voids your drivetrain warranty. I had a local shop do this same swap on a new 24 MYLR. A month later the front motor stripped the splines off of both half shafts. Not only did Tesla rule that just the presence of the Konis voided the motor/half shaft warranty, they wouldn't do the repair unless they replaced the Konis with OEM shocks. I appealed up the chain but no luck. An $8K learning experience. Really rides well, though.
Just swapping to konis with stock everything else on my 325ic made a huge difference for autox. Comfy enough for thousands at a time lol.
I daily Koni Special Actives like the other guy, love them.
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