Got my Ohlin R/T

[HP Autosport]

Originally Posted by exo-shell

Cool. This makes this kit even more attractive than it already was.

And there is a big price drop!

Can't post prices as a vendor, but you can go the link below:

http://www.hpashop.com/Ohlins-Road-a...-F8x-M3-M4.htm

[x.shell]

Originally Posted by HP Autosport

And there is a big price drop!

Can't post prices as a vendor, but you can go the link below:

http://www.hpashop.com/Ohlins-Road-a...-F8x-M3-M4.htm

Shoot. Even more attractive.

[HP Autosport]

Originally Posted by exo-shell

Shoot. Even more attractive.

The exchange rate is helping for sure!

[chesterroh]

Originally Posted by HP Autosport

Ohlins are now offering F8x M3/4 kits with optional spring rates.

Spring options:
Part # Length I.D. Rate
48010-03 200mm 65mm 30 N/mm // 172 lbs/in // 3 kg/mm
48010-05 200mm 65mm 35 N/mm // 200 lbs/in // 3.5 kg/mm
48010-07 200mm 65mm 40 N/mm // 229 lbs/in // 4 kg/mm
48010-09 200mm 65mm 45 N/mm // 258 lbs/in // 4.6 kg/mm
48010-11 200mm 65mm 50 N/mm // 286 lbs/in // 5 kg/mm
48010-13 200mm 65mm 55 N/mm // 314 lbs/in // 5.6 kg/mm
48010-15 200mm 65mm 60 N/mm // 343 lbs/in // 6.1 kg/mm
48010-19 200mm 65mm 70 N/mm // 400 lbs/in // 7.1 kg/mm
48010-23 200mm 65mm 80 N/mm // 458 lbs/in // 8.2 kg/mm
48010-27 200mm 65mm 90 N/mm // 515 lbs/in // 9.2 kg/mm
48010-31 200mm 65mm 100 N/mm // 572 lbs/in // 10.2 kg/mm
48010-35 200mm 65mm 110 N/mm // 630 lbs/in // 11.2 kg/mm
48010-39 200mm 65mm 120 N/mm // 687 lbs/in // 12.2 kg/mm
48010-43 200mm 65mm 130 N/mm // 744 lbs/in // 13.3 kg/mm
48010-47 200mm 65mm 140 N/mm // 801 lbs/in // 14.3 kg/mm
48010-55 200mm 65mm 160 N/mm // 915 lbs/in // 16.3 kg/mm
48010-63 200mm 65mm 180 N/mm // 1030 lbs/in // 18.4 kg/mm
48010-71 200mm 65mm 200 N/mm // 1144 lbs/in // 20.4 kg/mm

48020-03 230mm 65mm 30 N/mm // 172 lbs/in // 3 kg/mm
48020-07 230mm 65mm 40 N/mm // 229 lbs/in // 4 kg/mm
48020-83 230mm 65mm 230 N/mm // 1316 lbs/in // 23.5 kg/mm

It doesn't make any sense to me for the rear spring options. 172, 229 those are much softer than the OEM setup. I think they should offer somewhere at the range from 800lbs ~ 1000lbs ?

[HP Autosport]

Originally Posted by chesterroh

It doesn't make any sense to me for the rear spring options. 172, 229 those are much softer than the OEM setup. I think they should offer somewhere at the range from 800lbs ~ 1000lbs ?

In the works. More rates will be available soon.

[Greg FEightytwo]

Originally Posted by HP Autosport

In the works. More rates will be available soon.

i'm actually happy with the 1300/800 rates. I used aero to keep the back on the floor. Last test day was phenomenal!!

[HP Autosport]

Originally Posted by Greg FEightytwo

i'm actually happy with the 1300/800 rates. I used aero to keep the back on the floor. Last test day was phenomenal!!

A lot of people do.

[kitesurfer]

Originally Posted by Greg FEightytwo

i'm actually happy with the 1300/800 rates. I used aero to keep the back on the floor. Last test day was phenomenal!!

So your running an 800# spring up front with this correct? What length spring did you go with?

[HP Autosport]

Originally Posted by kitesurfer

So your running an 800# spring up front with this correct? What length spring did you go with?

Maybe he meant 500 front. Most guys are okay with that.

[Greg FEightytwo]

Originally Posted by HP Autosport

Maybe he meant 500 front. Most guys are okay with that.

i forget the front sorry i thought was 800 maybe its 500 harold can confirm. i got one of first batches so whatever they came with

[Greg FEightytwo]

Originally Posted by kitesurfer

So your running an 800# spring up front with this correct? What length spring did you go with?

i had one of the first batches and they didnt have a choice of spring rates at the time. they are really good out of the box though

[HP Autosport]

Originally Posted by Greg FEightytwo

i forget the front sorry i thought was 800 maybe its 500 harold can confirm. i got one of first batches so whatever they came with

515 lb/in to be exact.

[chetrickerman]

How do the Ohlins affect front inner wheel clearance?

[eltoshan]

Originally Posted by chetrickerman

How do the Ohlins affect front inner wheel clearance?

You do lose a tiny bit compared to stock. I need 3mm spacers to clear 265/35R19 RE-71R on the stock 19" wheels in the front.

[parabmw]

What are the best spring rates for mostly street with 1 or 2 track days?
How much does it lower front and rear?
Have mperf lip and don't want to scrape. So 15 mm lower up front would be ideal.

[F80Fun]

Originally Posted by parabmw

What are the best spring rates for mostly street with 1 or 2 track days?
How much does it lower front and rear?
Have mperf lip and don't want to scrape. So 15 mm lower up front would be ideal.

Did you find out which rates to go with in the end?

[hilld]

I just installed a set of R/T's in my M4 convertible. I ended up with the M2 rear springs. Ride height is almost the same as before about a 5mm drop, but that was intentional as I have enough problems getting into my driveway. The stock setup in the Ohlins docs was just about perfect, I only had to readjust the drivers side front by about 5mm to get it the way I wanted it.

Stock was with EDC, so I ended up installing a set of the Ohlins EDC eliminators as well.

Install took about 6 hours, but that was due to some other issues as well as swapping out the brake pads at the same time.

I am set at 10 clicks from full close and overall I like the ride and handling. I am still on winter tires Michelin Alpin PA4 245/40-18's in square setup, so I won't be able to say how they feel with my summer tires, PSS in stock size.

I am glad I made the switch, now time to put on some miles.

[Shadowfax028]

Originally Posted by eltoshan

You do lose a tiny bit compared to stock. I need 3mm spacers to clear 265/35R19 RE-71R on the stock 19" wheels in the front.

On what size rims and offsets are you running?

[silverstar335]

Just installed the Ohlins R/T coil-overs, 400/800 front and rear respectively. Currently at 15 clicks all-around and car feels great.

[M 4 FUN]

Originally Posted by Greg FEightytwo

i had one of the first batches and they didnt have a choice of spring rates at the time. they are really good out of the box though

Do you run the stock rear shock length?

[Theruleslawyer]

Originally Posted by eltoshan

You do lose a tiny bit compared to stock. I need 3mm spacers to clear 265/35R19 RE-71R on the stock 19" wheels in the front.

Its actually more than that. My track tires- 275 RS4 previously cleared the stock suspension no problem. They needed at least 6mm to rotate freely, so probably 9mm to allow for deflection. You'll probably end up with a 12mm spacer, but turner makes a 7.5 and 10 that might work for you. I think It'll be hard to get wider tires than 275 on the front without first fitting shorter springs to raise the perches. If you want to run 10.5 square it will be challenging. Good news is the stock perch is pretty much as long as it can be adjusted so a shorter spring should be do able.