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Originally Posted by tom @ eas
We have KW HAS kits in stock. A listing of verified KW suspension dealers can be seen here: https://www.kwsuspensions.com/dealersearch
Spring perch replacement is simple, KW has been doing this way for (3) M-generations now (E9x, F8x, G8x as well as other M-models) - the perch is slip-fitted on the strut recess and takes place of the old one. This takes only a small amount of additional time compared to a spring install - not a problem for any experienced installer.
Both KW & BMW M-Performance also uses fixed replacement threaded perches. Why? It makes for easier adjustments as the perches are fixed into position with no chance of rotation.
The X3/X4 version of the MSS kit has so much preload on it, it was near impossible to adjust without disassembling. There's a lengthy thread about that in the G05 forums with the issues they were having. DO keep in mind you'll be going back in there again once the MSS update is released if deciding to install right away, or eliminate the helper spring as others have done - but you'll lose the adjustability in the front due to removing the adjustment collar and rubber insulator. Not a problem if you're DIY, but for others - this will result in additional $$/labor.
There's no right or wrong decision here, but just know 100% up front what you're getting into before installing. |
How often are people adjusting their springs? I thought the whole point of the HAS kits are so you can get your desirable height by setting it once and you're done.