[abirmaher]

Short answer springs.

[Richy_Boy]

In the UK, adaptive suspension is an option.. those who didn't spec it aren't all piled up in a ditch at the side of the road. Some of the UK car press rated the M Sport passive setup over the Adaptive, though our roads can be both bumpy and winding at times.

My M235i had M Sport (passive) and although the car handled well with plenty of grip, it felt pretty stiff over small bumps. As I just can't leave things alone, I switched out the OEM suspension with H&R springs and Koni 'yellow' shocks and it's transformed the ride into one very planted, comfortable and predictable car, especially after a day of driving/tweaking the shocks to my ideal balance.

My personal preference is to have a consistent, quality setup, rather than one I have to switch back and fourth, depending on road conditions.

I guess what I'm saying is, the M235i isn't like a Euro-fighter jet that falls out the sky the minute the computer fails.

To answer the question, the most economical depends on what you want to 'fix' about the current setup. If it's looks, just throw springs on and you're done.

Richard

[x233]

Update: Bilstein now officially offer B16 Damptronic coilover kit for F22 with EDC. Just saying.
(although that would be far from most economical)

[mikeyymonster]

Originally Posted by x233

Update: Bilstein now officially offer B16 Damptronic coilover kit for F22 with EDC. Just saying.
(although that would be far from most economical)

Any info on this?

[x233]

Originally Posted by Lazee 1

Any info on this?

http://www.2addicts.com/forums/showthread.php?t=1296039