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BC Coil overs fitted to Boxster 986


andrewwalling
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I am considering a suspension upgrade on my 986 Boxster 2.7 Tiptronic

Considering a Bilstein upgrade or a set of coil overs

Does any one have any experience with the BC Coilovers

https://www.bc-racing.co.uk/applications/porsche-coilovers/porsche-boxster-986-96-04.html?SID=de8d6af522ff217b7339af4d5f427e83

 

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I think I would stick with stock Bilsteins if you want a compliant ride, if you want to track it, upgrade to some thing less soft

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I had the same dilemma. Did loads of research and decided Koni Sports were the best fast road option for me on H&R springs.  

If you decide on coilovers also look at ST (the cheaper KW but similar performance) and PB coilovers

Loads of info and personal experience reviews out there. 

 

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When I rebuilt my suspension last year I went for the Koni Special Active OE equivalent shock and kept original springs.  Very happy with the handling and ride combination.  I would reckon that anything else would lose the compliant ride. I would say that fresh everything does change the ride somewhat from tired suspension including stiffening up the damping as well as the rubber bushes so getting a 20 year old car back to factory fresh.

You have Ritland as your location so local to me, would be happy to meet up so you can have a spin in mine to feel the difference.

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Just bear in mind that as a road suspension system it is designed around the flex in the suspension rubbers to work effectively.  Going for hard poly bushes could cause harshness, add noise or even damage parts, although ARB bushes shouldn't be an issue.  First step might be to go for Boxster S ARBs which are a bigger diameter than the 2.7 but just use a different rubber in the same mountings.

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I'm on Koni SA's and the original springs, like ½cwt. All the drop links, tuning forks and coffin arms have been replaced, along with the front top mounts. Centre Gravity, who did my suspension rebuild, discouraged me from reverting to polyurethane bushes, for the same reasons ½cwt mentioned. But we did also take the opportunity to swap out my original 986 S ARBs (there wasn't much left of the aft one) for two-way adjustable Eibach ones, currently on their softer setting. If I ever make it to any meets east of the M1 I'd be happy to exchange 'reference' drives. 

Oh, and another thing, it's a bit stupid but I'll mention it: never trust petrol station air pumps, I thought my rear tires were inflated to 36 psi when I took it to CG but it turned out I was actually on 44 psi and that was destroying my ride. Shocking! Invest in a handheld digital pressure gauge. 

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I'd be up for that, just as soon as I've sorted out my shifter (the Function First Shift Right kit arrived in the mail on Tuesday. It's my present to the car for its 20th birthday. Beats a cake with spark plugs on it instead of candles...). All I need is a quiet dry weekend and then I'm good to go. 

Edited by Ol' Shatterhand
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Guys

 

this is great help thanks very much for the advice, I think this is going to be a winter project and you have set me down the Koni Ruote

I will need to change Top mounts and Bump stops as well and I will look at the anti Roll bar bushes next time I am under the car

 

One question on the Rear as far as I can see these need to be pre set and once they are fitted then you can adjust them is that correct and if so any suggetion on what to set them too?

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3 minutes ago, andrewwalling said:

I was also looking at the Koni Sport kit 11407791

https://www.dcperformance.co.uk/cheap/1346356/porsche/koni-sport-suspension-kits/1140-7791.html

 

I dont think the special Active comes as a kit?

Correct, Koni Special Active is an OE replacement to work with the original springs.

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The Koni Sport will be more like the M030 perhaps even a touch firmer. I can't remember but worth checking what they recommend on springs too as the body may be shorter therefore only shorter stiffer springs can be used. It all depends on where you want to be on the ride comfort Vs handling spectrum. 

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