h2. Oil filter housing, removing and installing (M52, M52 TU, M54 engines)
* Disconnect battery negative cable.
* Loosen oil filter cover to allow oil in filter housing to flow into oil pan.
* Remove alternator drive belt and unbolt alternator from oil filter housing bracket.
* Empty power steering reservoir tank and then unbolt tank and move to one side (lines remain connected).
* Unbolt power steering pump from oil filter housing bracket pump (lines remain connected).
* Remove alternator drive belt tensioner.
* Disconnect harness connector from oil pressure switch.
* Disconnect harness connector for oil temperature switch.
* Disconnect oil pressure line for VANOS adjustment unit from oil filter housing.
* Remove bolts (*arrows*) and remove complete oil filter housing bracket.
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* Remove old profile gasket and install new gasket (*arrow*).
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During installation, be sure to align bracket to locating dowels (*arrows*).
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Remove cylinder head cover mounting fasteners and remove cylinder head cover.
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Installation is reverse of removal. Keep in mind the following:
\* BMW does not specify a unique torque for the oil filter housing bracket bolts. General tightening torque based on bolt grade is given below. installed.
{info:title=NOTE}
Bolt grade is marked on bolt head
{info}
Reconnect all harness connectors previously removed.
\* Check engine oil level and power steering fluid level upon job completion.
\* Reconnect battery negative cable.
{panel:title=Tightening torque|borderColor=#999|titleBGColor=#eee|bgColor=#fff}
{color:#000000}M8 (8.8 grade). . .{color} {color:#000000}24 NM (18 ft-lb){color}
{color:#000000}M8 (10.9 grade). . . 34 NM (25 ft-lb){color}
{panel}
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