| The following came from pelicanparts.com...their site has a lot of good information on simple BMW repairs. The writeup is for an e36, but is also similarly applicable to many 5-series oil filter setups.
"For the E36 cars, you should clean out the inside of the oil filter housing before installing the new oil filter cartridge. In your oil filter kit, you should also have two o-rings and a replacement copper gasket for the long bolt that attaches the top of the housing (early E36 cars). Replace the o-ring at the bottom of the long bolt (Figure 11), and also replace the large o-ring underneath the canister top (Figure 12). Insert the new filter into the housing (Figure 13), and reinstall the long bolt and the canister top. Tighten the top of the canister to 25 Nm (18 ft-lb)."
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<span style='color:green'>1994 325i </span>- - - 75,000 mi.
No mods - - - very happy as is!
<span style='color:green'>1995 525i </span>- - - 154,000 mi.
No squeaks or rattles... unreal! | 
