Ohlins R&T Spring/Sway Choice

[fattycharged]

Do those make any noise after a few thousand miles? The street version has been stock-like in terms of NVH. This is the early street version, so I am not sure if the quality has changed over the years.

I'm not sure, I haven't run it yet, though I’ve never been a fan of the rubber/poly strut mount, much prefer a spherical.
I'll try and take some decent photos this evening, I was just waiting on springs to put them together.


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[Slideways]

I just received my Hybrid plates, I would absolutely go with the hybrid design after having both in my hand.


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Do those make any noise after a few thousand miles? The street version has been stock-like in terms of NVH. This is the early street version, so I am not sure if the quality has changed over the years.

[Tbonem3]

Any updates from those that have swapped the stock 400 Ohlins springs to a softer 340ish spring such as this - https://3dmmotorsport.com/collection...32802582298729 ?

I'm trying to add as much comfort as possible to the R&Ts and want to change as few parts as possible. Parts list so far: 2.5in spring perches will be needed for the Turner Street plates, 340 Ohlins 7.87 springs, Ohlins front strut spacers and an aftermarket front sway bar.

I have MCS, not Ohlins, but I went with a 60n/mm spring (342lb) and I love it. I found 400 to be too much. My car is fairly light for a street car.

On e90, I have R&T ready to go and they come with the 60n/mm springs from the get go. With something like 680 in the rear, I think the rates Ohlins chose for e9x are better than the 400/628 they chose for e46.

[fattycharged]

Any updates from those that have swapped the stock 400 Ohlins springs to a softer 340ish spring such as this - https://3dmmotorsport.com/collection...32802582298729 ?

I'm trying to add as much comfort as possible to the R&Ts and want to change as few parts as possible. Parts list so far: 2.5in spring perches will be needed for the Turner Street plates, 340 Ohlins 7.87 springs, Ohlins front strut spacers and an aftermarket front sway bar.

I just received my Hybrid plates, I would absolutely go with the hybrid design after having both in my hand.


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[SQ13]

I’m running 8” swift springs with no issues. You should be fine.

[repoman89]

Any updates from those that have swapped the stock 400 Ohlins springs to a softer 340ish spring such as this - https://3dmmotorsport.com/collection...32802582298729 ?

I'm trying to add as much comfort as possible to the R&Ts and want to change as few parts as possible. Parts list so far: 2.5in spring perches will be needed for the Turner Street plates, 340 Ohlins 7.87 springs, Ohlins front strut spacers and an aftermarket front sway bar.

I’m running basically this setup. 7.5” length 2.5” diameter springs 350lb/in driver side and 325 passenger with Turner perches on their street plates, 3DM spacers, CSL front bar. It’s just about perfectly neutral with a square setup and hard to unsettle on track — and totally drivable on shitty New England streets on ZCP 19s. I did the typical 60% bump 40% droop setup for the front struts and ended up at 13.7” fender to wheel cap ride height. No issues with spring perch to tire contact with 9.5” ET35s. Can’t speak to the extra third inch length on those springs but doubt it would be a problem.

[Slideways]

Any updates from those that have swapped the stock 400 Ohlins springs to a softer 340ish spring such as this - https://3dmmotorsport.com/collection...32802582298729 ?

I'm trying to add as much comfort as possible to the R&Ts and want to change as few parts as possible. Parts list so far: 2.5in spring perches will be needed for the Turner Street plates, 340 Ohlins 7.87 springs, Ohlins front strut spacers and an aftermarket front sway bar.

[Tbonem3]

Many thanks. Think I could use the R&T springs on a 60MM TCK lower perch with the Turner Hybrid camber plate up top?

I know common 63.5mm springs still have enough material siting on a 60mm perch, but I don't know if Ohlin's 65mm sping being just a little wider makes that situation dangerous.

You could make or find, or have made, a thin steel donut that has 60mm ID and 65mm od.

[D-O]

Ohlins front springs match OE up top, so that they can use stock hats, as you say. The bottom pigtail coils down to 65mm (2.5") ID to sit on the 65mm bottom perch. Can also accept 63.5mm.

Many thanks. Think I could use the R&T springs on a 60MM TCK lower perch with the Turner Hybrid camber plate up top?

[Tbonem3]

Ohlins front springs match OE up top, so that they can use stock hats, as you say. The bottom pigtail coils down to 65mm (2.5") ID to sit on the 65mm bottom perch. Can also accept 63.5mm.

[D-O]

Since the E46 R&T kit is designed to work with the stock upper front strut mount I am wondering if the front Ohlins springs are cone shaped, or is the lower perch as large as the upper strut mount.

TIA

[LSB4Me]

Ya, did them on my e82 (same subframe). Still have the tool.

I didn't know you had an e92 btw! Incredible car. People get mad when I say it's better than the e46, though e46 wins a couple of comparos.

Definitely go solid on the e90. It solidifies (hah) the rear and makes everything more direct and predictable.

To bring things back on topic, stock vs stock, the e46 is better (imo). When modded, the e9x is tough to beat. Ohlins on the e92 resulted in the go-kart-like chassis we love about the e46. It made the car feel less fat/bloated.

I laughed the day I drove home from the shop after unmodding my e92. Having driven the car on point for so many years, I couldn’t imagine someone trying to tell me the car was “good” as stock.

[Tbonem3]

Word to the wise, don’t skip the solid subframe bushings on that e90. Game changer.

Ya, did them on my e82 (same subframe). Still have the tool.

I didn't know you had an e92 btw! Incredible car. People get mad when I say it's better than the e46, though e46 wins a couple of comparos.

[LSB4Me]

Good to hear! I have a set for my e90 waiting for install.

Word to the wise, don’t skip the solid subframe bushings on that e90. Game changer.

[Tbonem3]

Good to hear! I have a set for my e90 waiting for install.