Quote:
Originally Posted by BMW Alpina
I think every tuner buy their spring from the large spring manufacture (Eibach/H&R),
but since they buy in large quantity,
they can ask those spring to be built to their specs.
On Eibach Singapore website,
they also list that they supply Alpina for their springs,
but it is clear the springs for Alpina application had very little drops and different spring rate than regular Eibach Pro Kit.
of course there could be possibility that some tuner are "lazy" and just completely relabel / repaint Eibach spring without further research on their own, and put their tuner brand on it.
that is why, if you can get the spring spec from the tuner and eibach and compare them,
you can see whether they are both 100% the same, or different and decide from there.
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Just got off the phone with Eibach and they told me it comes in a set of 4, I told them I only need for the front and they quoted me US$250 about there. CHEAP! i told the girl to check again if it's a set of four or two for my car. Also what she quoted was for the 730d, does the 730d and 730Li use same springs?