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      04-25-2011, 09:52 AM   #21
v3.0si
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Drives: '08 Z4C 3.0si
Join Date: Sep 2010
Location: midwest

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there are no safety issues with running E9x offsets on our cars. the only thing i can recommend is get an alignment after the switch, and ditch the runflats.

personal experience... without an alignment and keeping runflats there was no difference during in-town driving vs. the stock setup. once speeds of about 70mph were hit though, the car had a measurable increase in bumpsteer and tramlining. the car was completely manageable and not dangerous, it was simply more work to keep the car going straight... an annoyance. an alignment did help, but i believe that it's the stiffness in the sidewall between the runflats and non-runflats that really make the difference in regards to feel at speed.

that said... i highly recommend the E9x offsets. there is no rubbing and a flush fit right out of the box.
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Last edited by v3.0si; 04-25-2011 at 10:12 AM..
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