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E36 M3 (1992-1999) {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999


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Old Sun, Jan-13-2019, 11:16:03 PM   #11
bluptgm3
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Default suspension advice, 75% track use, worn out koni's

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Originally Posted by 123bmwm3 View Post
The takeaway is, if you think the Koni's are too stiff, you won't be happy with the B12 pro-kit. Maybe the aftermarket sway bars are the issue?

You won’t be happy with any Bilstein product.


Go with Ground Control based coil overs. I believe they build their own strut casing that spaces away from the Spindle to eliminate the need for front wheel spacers on 1996+M3s (Spindle, FLCA, FLCAB, Strut Mount revisions)
They are Koni based and like TCK, and Tuner they worked with Koni to get there own valving.



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Last edited by bluptgm3; Sun, Jan-13-2019 at 11:28:12 PM.
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Old Tue, Jan-15-2019, 05:25:13 PM   #12
Denniscastro
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Default Re: suspension advice, 75% track use, worn out koni's

the ground control options are a little too pricey, was looking to be below $1,000. anyone actually running the b12 kit or dinan stage 1? my koni strut housings are rusty and i wont be reusing them.
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Old Tue, Jan-15-2019, 07:31:49 PM   #13
Mless5
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Default Re: suspension advice, 75% track use, worn out koni's

Look is great, the ride and handling - not so much.

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you dont like the ride? the handling? or just the look?
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Old Tue, Jan-15-2019, 07:49:03 PM   #14
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Default Re: suspension advice, 75% track use, worn out koni's

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Originally Posted by Denniscastro View Post
the ground control options are a little too pricey, was looking to be below $1,000. anyone actually running the b12 kit or dinan stage 1? my koni strut housings are rusty and i wont be reusing them.
Your main complaint with your current setup is how stiff the ride is. Please take Bilstein off your list. It is a very stiff and jarring strut/shock choice.

~$1k
Koni Sport
Dinan revalved Koni

~$2k
TCKline

These are the options you should be focusing on. GC is OK, but they miss the mark compared to TCK and in that price category. Because your are 75% track and still want street use, you should be looking at nothing less than a TCK S/A kit.
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Old Tue, Jan-15-2019, 08:02:02 PM   #15
Richardsperry
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Default Re: suspension advice, 75% track use, worn out koni's

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Originally Posted by Denniscastro View Post
the ground control options are a little too pricey, was looking to be below $1,000. anyone actually running the b12 kit or dinan stage 1? my koni strut housings are rusty and i wont be reusing them.
Like I said, use the ground gontrol coilover conversion kit. $499...

Get your housing media blasted, you’re probably under $600.
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Old Tue, Jan-15-2019, 11:32:14 PM   #16
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Default Re: suspension advice, 75% track use, worn out koni's

I've had Koni SA's with H&R Sport springs which i absolutely loved. PSS9's which I absolutely hated and now have ground control street coilovers which I have yet to drive on.
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Old Thu, Jan-17-2019, 03:43:00 PM   #17
propcar
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Default Re: suspension advice, 75% track use, worn out koni's

Could also do Bilstein PSS (non adjustable dampers) for non-M and just run a front non-M bar to the control arms (could be aftermarket). Ride quality is subjective, but I've always heard good things about them.
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Old Fri, Jan-18-2019, 03:55:13 AM   #18
M3AN
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Default Re: suspension advice, 75% track use, worn out koni's

Unless you know how to set them up, and expect to need to change the setup, I've always argued that a coilover kit is a downgrade for a road car. I realise they're "cool" and this isn't a popular opinion but there's so much opportunity for an 'amature' to make their suspension worse with coilovers. A pre-packaged and fixed setup is preferable for those that don't want to learn all you need to learn about suspension IMO.

I also disagree that Bilsteins give an uncomfortable or harsh ride. I accept that there are people out there that believe so but there are far, far more people out there that are happy with them, myself included. They're by far the most recommended and installed aftermarket shock for the E36 in most of the world.

To the OP, I'm not sure the B12 kit is right for you, it will be very, very similar to your current setup.

Consider the Bilstein B6 damper (B12 kit comes with B8's, OEM replacement is B4's) and couple that with a matching Eibach Pro-Plus kit (https://eibach.com/us/i-1535-pro-plu...sway-bars.html) - these are NOT the springs that come with the B12 kit. This will give you a halfway setup between OEM and B12, lower than OEM but not as firm as B12. Just as in the B12 kit the shocks and springs (and bars in this case) are designed specifically to work together.

I have this setup and with the sway bars set to their hardest setting it's a perfect road setup, entirely compliant (the GF doesn't complain) and most certainly tight enough for track days. it's a night-and-day change over OEM and I reckon the M3 should have come from the factory like this. Also suits me for clearance because I'm running 255 18's in the rear and that simply wouldn't work with an even lower B12 setup (edit: in fact I'm using 10mm spring pads in the rear).

I got the Eibach kit from Amazon with a 60% discount so it only cost a few hundred US$. Shocks were extra of course.
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Last edited by M3AN; Fri, Jan-18-2019 at 06:58:18 AM.
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Discussing suspension advice, 75% track use, worn out koni's in the E36 M3 (1992-1999) Forum - {Euro - S50 B32 321hp @ 7400 rpm} {U.S. - S52 B32 240 hp @ 6000 rpm}
Total Produced: 71,212 - Years Produced: 1992 to 1999 at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)