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      01-03-2013, 03:32 PM   #103
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Drives: M3
Join Date: Jun 2012
Location: Bay Area

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Originally Posted by neoduffer View Post
David@Apex - Are these wheels ball seat or conical seat? I was wondering if the stock bolts can be used or do I need to get a stud kit to use conical lug nuts. Thanks.
The mounting holes on the wheels are conical because the OEM lug bolts are conical, not ball seat. BMW comes with conical lug bolts instead of the ball seat that many other manufacturer's use. This comes in handy when switching to a stud kit with lug nuts as most aftermarket tuner lug nuts are also conical seat.