32 41 Pump and Oil Supply

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

PUMP AND OIL SUPPLY - TIGHTENING TORQUE SPECIFICATION

	Type	Thread	Tightening specification	Measure
1AZ Power steering pump / bearing block of power steering pump to crankcase / oil sump / oil filter unit carrier / A/C compressor carrier	E39 / M5		Observe tightening sequence	25 Nm
	E36, E38, E39, E46, E52, E53		Note shims	21 Nm
	M47T2 / M57TU / M57T2	M6		8 Nm
	N62 / N62TU / N73	M8	Replace nuts	21 Nm
	N52 / N52K / N53	M10 x 33	Replace aluminum screws Follow repair instruction.
			Jointing torque	20 Nm
			Torque angle	90 °
	N54	M10	Follow repair instruction.	38 Nm
	E60, E61, E63, E64, E65, E66, E67, E83, E85 / S54, E86 / S54	M8		21 Nm
2AZ Pump bracket on engine support	E38 / M60/1 / M60/2 / M62, E39 / M62			22 Nm
3AZ Hydraulic line connections to vane pump/power steering pump and steering gear/banjo bolts, steering hydraulics	E38	Banjo bolt M12	Replace sealing rings	33 Nm
	E36, E39, E46, E52	Banjo bolt M14	Replace sealing rings	35 Nm
	E38	Banjo bolt M14	Replace sealing rings	39 Nm
	E60, E61, E63, E64	M14 nonreturn valve	Replace sealing rings	35 Nm
	E53, E60, E61, E63, E64, E65, E66, E85 / S54, E86 / S54	Banjo bolt M14	Replace sealing rings	33 Nm
	E36, E38, E39, E46, E52, E53	Banjo bolt M16	Replace sealing rings	40 Nm
	E60, E61, E63, E64, E65, E66, E83, E85 / S54, E86 / S54	Banjo bolt M16	Replace sealing rings	35 Nm
	E38, E53	Banjo bolt M18	Replace sealing rings	45 Nm
	E36, E38, E39, E46, E53, E60, E61, E63, E64, E83	Cap screw	Replace sealing ring	36 Nm
	E65, E66, E67	Cap screw	Replace sealing ring	39 Nm
4AZ Hydraulic line connections to DS controller	E31, E32, E34			40 Nm
5AZ Mounting of hydraulic line	E60, E61, E63, E64, E65, E66, E67	M6	Screw, nut or rubber-metal body	7.5 Nm
	E60, E61, E65, E66, E67	M8	Screw, nut or rubber-metal body	19 Nm
	E83, E85 / S54, E86 / S54	M6	Screw, nut or rubber-metal body	8 Nm
6AZ Holder, expansion hose, to vane pump / power steering pump	E60, E61, E63, E64, E65, E66	M6 8.8		7.5 Nm
	E65 / M67	M8-8		19 Nm
7AZ Mounting hydraulic pump to engine block / oil sump	E65			3 Nm
9AZ Oil reservoir to holder	E60, E61, E63, E64	M6		6 Nm
	E65, E66, E67, E83	M6		4 Nm
	E85 / S54, E86 / S54	M6		5.5 Nm
10AZ Expansion hose part 1 to part 2	E60, E61, E63, E64, E65, E66			30 Nm
11AZ Expansion hose mounting	E60	M6		10 Nm
12AZ Line fastening steering hydraulics	E60	M6		7.5 Nm
	E60	M8		19 Nm
13AZ Oil tank holder to body	E83	M8		19 Nm
14AZ Belt pulley to power steering pump	E60, E61, E63, E64, E65, E66, E67	M8 8.8		22 Nm
	E39, E46, E53, E65, E66, E67	M8 10.9		27 Nm
	E83 / M54 / N46	M8		28 Nm
	E83 / M57TU / M57T2 / M47T2, E85 / S54, E86 / S54	M8		22 Nm
15AZ Bracket, pressure line, Dynamic Drive, to oil sump	E65 / M57TU / M57T2, E66 / M57T2			19 Nm
16AZ Bracket, pressure line, to steering gear	E60, E61, E63, E64	M8		19 Nm
17AZ Bracket, hydraulic line, to stabilizer bar mounting	E60, E61, E63, E64	M6		12 Nm
18AZ Bracket, power steering pump, to crankcase	E63 / N52, E64 / N52	M10	Replace aluminum screws
			Jointing torque	20 Nm
			Torque angle	90 °
19AZ
20AZ Power steering pump to water pump	E46 / N40 / N42 / N45 / N46, E60 / N46T	M8		32 Nm
	E83 / N46	M8		28 Nm
21AZ Bracket, pressure line (ARS), to crankcase	E63 / N52, E64 / N52	M10	Replace aluminum screws
			Jointing torque	20 Nm
			Torque angle	90 °
	E60 / N52, E61 / N52, E63 / N52, E64 / N52, E65 / N52, E66 / N52	M8x17.5	Replace aluminum screw
			Jointing torque	8 Nm
			Torque angle	45 °
22AZ Pressure line to power steering gear	E85 / S54, E86 / S54	M14	Replace sealing rings	33 Nm
23AZ Return line to power steering gear	E85 / S54, E86 / S54	M16	Replace sealing rings	35 Nm