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Old 02-01-2012, 03:57 PM
solstice solstice is offline
Officially Welcomed to the 'Fest
Location: Seattle
 
Join Date: Aug 2010
Posts: 2,328
Mein Auto: 2015 F80 M3
What decaf said and also experiment with the lumbar, especially the height adjustment. That said I never got rid of the lower back fatigue issue in the F10. It was likely a defected lumbar that didn't deflate properly as mentioned by another commenter.
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