i know some of you were looking at these... i found one for just over $100 that is designed for the m5... but the headrest looks to be similar to a lot of our honda seats.... take a look
http://beastpower.com/Merchant2/merchant.m...=BMI/CTGY/ufmcm
http://beastpower.com/Merchant2/merchant.m...=BMI/CTGY/ufmcm