Originally Posted by MitchT
I purchased the black bmw bolts ...but I feel that they tend to loosen up more than the factory bolts. (explaination) I ran the car on the track with my ssr and 048 with the lotus factory bolts, and locks, set to 77-78 ft lbs, never had any issues, I switch to the bmw bolts for easy of service, no stripping only one tools etc, I notice after cooling down the lugs had to be tightened more often than the old lugs, I would after each track session let the wheels cool, and re torque before the next session, and yes one or two lugs on each wheel would be less than fully torqued. Now this might be due to the heat then cooling of track conditions, but as a precaution , I now check everytime I go out for a session, I do not know if it is the ssrs or the lugs. probably a good habit anyway.
That is very very worrying