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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Sat, Apr-20-2019, 06:02:25 PM   #681
gearhead55
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Default Re: FCM E46 M3 Ride Harmonizer suspension spreadsheet (bounce freqs, FRC, roll stiffn

Update on my set up:

Installed my MCS 1WNR dampers with 448/840 springs. 27mm front bar on stiff with no rear bar. Iíve only just started playing with adjustment but right out of the box the dampers are amazing. This set up is a major improvement over the bilsteins with the progressive springs. The spring rates are definitely not too stiff and so far Iím pretty comfortable saying I could go higher and still utilize it as a daily driver. I can feel the flat ride working and that effect increases with speed (as predicted with the low % of flat ride). The dampers can be set up as a true coilover so I may try a 448/448 true coilover set up next, which would give me slightly higher flat ride percentage and bring the optimized speed down closer to highway speeds. No canyon runs yet but hopefully Iíll be able to get a feel for the cornering capabilities today or tomorrow.
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Old Sat, Apr-20-2019, 06:04:28 PM   #682
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Default Re: FCM E46 M3 Ride Harmonizer suspension spreadsheet (bounce freqs, FRC, roll stiffn

What compression/rebound settings are you guys running? I ran fairly soft 3/8 clicks for compression and 1 full turn for rebound on my TCK DA's. The car was extremely oversteery on track. Once I bumped the compression up to 6/8 up front and 5/8 in the rear, it felt a lot better, but still not quite as balanced as I'd like.

My set up 392/750 with turner front set on medium. FRC 73.2% and 6% flat ride.
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Old Sat, Apr-20-2019, 09:05:14 PM   #683
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Default Re: FCM E46 M3 Ride Harmonizer suspension spreadsheet (bounce freqs, FRC, roll stiffn

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Originally Posted by gearhead55 View Post
The dampers can be set up as a true coilover so I may try a 448/448 true coilover set up next, which would give me slightly higher flat ride percentage and bring the optimized speed down closer to highway speeds.

I wish the TCKs would offer a coil over rear. Their opinion is the beehive spring is just as good.

Iíd love to do a rear coil over so I can run an adjustable link in place of the upper control arm...save another 5 lbs! :lol



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Old Sat, Apr-20-2019, 09:07:54 PM   #684
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Default Re: FCM E46 M3 Ride Harmonizer suspension spreadsheet (bounce freqs, FRC, roll stiffn

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Originally Posted by Kwakjoe View Post
What compression/rebound settings are you guys running? I ran fairly soft 3/8 clicks for compression and 1 full turn for rebound on my TCK DA's. The car was extremely oversteery on track. Once I bumped the compression up to 6/8 up front and 5/8 in the rear, it felt a lot better, but still not quite as balanced as I'd like.



My set up 392/750 with turner front set on medium. FRC 73.2% and 6% flat ride.

Iím right in the middle on both and my car is pretty close to where I want it. I have 450/400 fr and 700 rears, OEM front bar and no rear bar. Iím thinking about going higher in the rear but I want to talk to TC Kline first and get their thoughts. Sucks...I lose the beehive so Iíll have to get an articulating perch.


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Old Sat, Apr-20-2019, 09:09:16 PM   #685
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Default Re: FCM E46 M3 Ride Harmonizer suspension spreadsheet (bounce freqs, FRC, roll stiffn

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I’m right in the middle on both and my car is pretty close to where I want it. I have 450/400 fr and 700 rears, OEM front bar and no rear bar. I’m thinking about going higher in the rear but I want to talk to TC Kline first and get their thoughts. Sucks...I lose the beehive so I’ll have to get an articulating perch.


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so 4/8 clicks and 1.5 turns? Mine had to get revalved to handle 750+
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Old Sat, Apr-20-2019, 09:24:12 PM   #686
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Default Re: FCM E46 M3 Ride Harmonizer suspension spreadsheet (bounce freqs, FRC, roll stiffn

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Originally Posted by bigjae1976 View Post
I wish the TCKs would offer a coil over rear. Their opinion is the beehive spring is just as good.

Iíd love to do a rear coil over so I can run an adjustable link in place of the upper control arm...save another 5 lbs! :lol

Yea, functionally Iím sure the beehive is just as good. The only downsides are the lack of rate options and the spring being too tall depending on how low you want to run.

I think user Obeewon on here was planning on using a true coilover and an adjustable upper arm replacement but I donít know if he ever got around to it.
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Old Sat, Apr-20-2019, 09:35:21 PM   #687
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Default Re: FCM E46 M3 Ride Harmonizer suspension spreadsheet (bounce freqs, FRC, roll stiffn

Where are adjustable upper arms available?
Thx


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Old Sat, Apr-20-2019, 10:01:55 PM   #688
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Default Re: FCM E46 M3 Ride Harmonizer suspension spreadsheet (bounce freqs, FRC, roll stiffn

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Where are adjustable upper arms available?
Thx


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Just use a lower arm.


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Old Sat, Apr-20-2019, 11:21:21 PM   #689
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Default Re: FCM E46 M3 Ride Harmonizer suspension spreadsheet (bounce freqs, FRC, roll stiffn

Does anyone know if the TCK beehive rear springs can be used with RE articulated spring perches or will I have to get the TCK height adjusters?


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Old Sun, Apr-21-2019, 01:29:09 AM   #690
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Default Re: FCM E46 M3 Ride Harmonizer suspension spreadsheet (bounce freqs, FRC, roll stiffn

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Does anyone know if the TCK beehive rear springs can be used with RE articulated spring perches or will I have to get the TCK height adjusters?


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I think both are 60mm, so would be fine.
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Discussing FCM E46 M3 Ride Harmonizer suspension spreadsheet (bounce freqs, FRC, roll stiffness) in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)