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      10-08-2019, 03:50 PM   #1

Drives: 2015 F80 M3 6M, AW, SS
Join Date: Jul 2009
Location: St. Louis, MO

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ISC Coilover Review NON EDC M3

I found this Company in New Hampshire and was the first F80 M3 customer to try their coil overs, their operations manager Jason was formerly with Turner Motorsports and on the phone I could tell he knows suspensions. Like many folks here I hated the front tire to fender gap and I like something a little more connected than stock, my 15 M3 is NOT EDC. I bought the basic coil over kit with the upgraded springs, I did the installation myself which is not an easy job with hand tools and no lift but got it done. The website shows an included rear upper shock mount, it's not, you must re-use the OEM upper mount and nut which in my case required a trip to the local garage to remove the nut with an impact. Once dialed in the stance is low but not too low, I've put a couple thousand miles on them and can say they perform similar to the KW V1's I had on my 335ix but with the 32 dampening adjustments I will be able to stiffen them up for a track day. The car is much flatter in corners and overall firmer and feels more planted especially when you get on the gas hard and under very hard braking. I have 19's and don't think it's any harsher than stock just a more controlled and confidence inspiring feel when pushing. They are made in Taiwan but the build quality seems good at 1/2 the cost of KW's.
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      10-09-2019, 12:33 PM   #2
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Drives: '17 328d Sport Wagon
Join Date: Sep 2016
Location: Bay Area, CA

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What do their dyno plots look like and what ride frequencies do they target? Someone on the F3x forum asked me about them but I wasn't familiar with them. Did they mention anything about their custom valving to you?
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