28 Jul Coat Of Arms
Today, for your Thursday viewing pleasure, we return to Eric’s Z4M. Today’s workout is going to focus on the arms.
Apparently, there are some fitment issues surrounding the use of KW coilovers in conjunction with Ground Control sway bars. Specifically, the tendency for the endlinks to be too long, resulting in a not-so-good place for the sway bar end to rest. Namely, the top of the control arm:
As this is an undesired trait, we decided that a remedy was necessary. There wasn’t actually much deciding…it didn’t work, and we needed to make it work. So we put the fabrication shop through its paces. A few cuts and welds later, new endlinks!
And how do they fit? The best possible description comes from the greatest policeman of our time, Ace Ventura: Like a glove.
Next, we had to do a little bit of rear arm adjustment. The custom rear control arms we made for Eric’s Z4M were also coming into contact with the sway bar (except, obviously, it’s the rear bar this time), so we fashioned a quick fix that would have to result in a little bit of arm modification. Thankfully, it was a real minor alteration, so there’s no compromise in the overall structural soundness of the new control arm.
Now that that’s out the way, it’s time to address the filter placement. In order to make sure air is being channeled directly where it needs to go, we’ve come up with a design that will not only function great, but look epic in the process. It will be, by far, the most complicated thing we’ve cranked out on the mill thus far. Get ready for some Smurf Pants, everybody.
Obviously, the above picture isn’t the entire piece, just a part of it. We can’t give away all our secrets in one blog post, jeez.
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