Removes the plastic oil filter canister/housing.
86mm. 16 flute. 3/8" drive.
i bought this one for fraction of price works awesome.
http://www.ebay.com/itm/VOLVO-Cap-St...#ht_787wt_1397
same one from same seller plus bmw luxury tax for 3 times as much
http://www.ebay.com/itm/BMW-E90-06-E...#ht_767wt_1298