OK folks, I am your test monkey.
I have an e93 with Koni Yellows set of max firmness and Eibach Pro springs kit. This setup lowered my sport package e93 car by .75 to 1 inch. I ordered the Burger Tuning set of spacers with the following thickness:
Rear: 18 mm
I followed the...
Just a word of caution, if you are installing a CSF Performance Radiator and you have the MMP inlets, prepare to do lots of dremel trimming to your radiator fan housing and get some tie wraps ready. Because your inlet will be pushed dangerously close to the belts and pulleys.