32 41 Pump and Oil Supply

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

PUMP AND OIL SUPPLY - TIGHTENING TORQUE

	Type	Thread	Tightening specification	Measure
1AZ Oil reservoir to holder	E81, E82, E87, E88, E90, E91, E92, E93	M6		4 Nm
2AZ Multipurpose holder to body / holder for oil reservoir	E81, E82, E87, E88, E90, E91, E92, E93	M6		5 Nm
3AZ Belt pulley to power steering pump	E81, E82, E87, E88, E90, E91, E92, E93	M8	Replace screws or stick on again.	19 Nm
	N54	M8	Replace screws or stick on again.	21 Nm
4AZ Power steering pump to water pump	N43 / N45 / N46 / N45T / N46T	M8		32 Nm
5AZ Power steering pump to holder	M47T2 / M57T2 / N43	M8		19 Nm
6AZ Bracket of power steering pump to crankcase / oil sump	M47T2 / M57T2 / N47 / N47S	M8		19 Nm
	M57T2 / 335D	M6		8 Nm
	N51 / N52 / N52K / N53	M8	Replace aluminium screws. Use only Helicoil made of aluminium for thread repairs. Jointing torque and angle of rotation must be observed without fail.
			Jointing torque	20 Nm
			Torque angle	90 °
	N54	M10	Follow repair instruction .	38 Nm
7AZ Power steering pump to crankcase	N43 / N45 / N46 / N45T / N46T	M8		19 Nm
8AZ Pressure line to power steering pump	E81, E82, E87, E88, E90, E91, E92, E93	M16		35 Nm
9AZ Pressure line to power steering gear	E81, E82, E87, E88, E90 / Except S65, E91, E92 / Except S65, E93 / Except S65	M14 non-return valve		30 Nm
	S65	M14 non-return valve		33 Nm
10AZ Return line to power steering gear	E81, E82, E87, E88, E90, E91, E92, E93	M16		35 Nm
11AZ Mounting, hydraulic line	E81, E82, E87, E88, E90, E91, E92, E93	M6		8 Nm
12AZ Vane pump to A/C compressor mounting bracket	S65	M8		19 Nm