[E91 M Sport]

Originally Posted by HP Autosport

Nearly all coilover will have some spring binding as there is metal to metal contact. If you ever watch a coil spring compress, it actually winds up and when it decompresses it unwinds. If that rotating motion is somehow been limited(by upper and lower perches typically), you will get noise. Swift thrust sheets will help with that. Bearings will too, but at a much higher cost and require more maintenance.

In your experience would you describe the noise like this? This is what I'm getting.

[HP Autosport]

Originally Posted by E91 M Sport

In your experience would you describe the noise like this? This is what I'm getting.

Not that type of noise, but more of a spring binding noise at low speed turns.

[maddmatth]

Originally Posted by HP Autosport

Through the use of high quality Swift linear rate springs for much more consistent rates throughout their stroke. Progressive rate springs can have rates all over the place as they compress.

Metal on metal contact isn't good, Swift thrust sheets are added to reduce noise, but the biggest benefit is allowing the springs to wind and unwind to reduce rate spikes, the net result, again, is more consistent spring rates.

Ok that's interesting, thanks for the explanation.

[E91 M Sport]

Originally Posted by HP Autosport

Not that type of noise, but more of a spring binding noise at low speed turns.

Gotcha, thanks for your input!

[HP Autosport]

Originally Posted by E91 M Sport

Gotcha, thanks for your input!

PM us if you have any specific questions.

[YYCn54xi]

Originally Posted by HP Autosport

It's on our web store.

I couldn't quickly find it in your webstore...can you please provide a weblink.

Thanks

[HP Autosport]

Originally Posted by YYCn54xi

I couldn't quickly find it in your webstore...can you please provide a weblink.

Thanks

Thrust sheets are here:

http://www.hpashop.com/Swift-Thrust-...?categoryId=-1

[Julian2485]

Originally Posted by HP Autosport

Thrust sheets are here:

http://www.hpashop.com/Swift-Thrust-...?categoryId=-1

Will these springs work with kWv1 for an xi ?

[HP Autosport]

Originally Posted by Julian2485

Will these springs work with kWv1 for an xi ?

Yes, the conversion can work on the xi version as well.

[MassBimmer]

Originally Posted by HP Autosport

Yes, the conversion can work on the xi version as well.

Ride quality will be improved over V1? What spring rates would you recommend for a daily driver?

[HP Autosport]

Originally Posted by MassBimmer

Ride quality will be improved over V1? What spring rates would you recommend for a daily driver?

300 front and 600 rear. V2 and higher will be much better matched to the Swift.