BMW 3 Series 3 (1992-1999) Torque Spec Settings

Below you'll find the tightening torques for the BMW 3 Series 3 in both Nm and ft/lbs. The first table contains the most-used torque settings. The tables after it contain all torque spec values I could find.

Most-used torque specs for BMW 3 Series 3

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to

To make sure these are the correct tightening torque values, you can use the data below to verify this is the right model.

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All Torque Settings in Tables

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to
Oil filter	Oil filter housing	25	18		2.5L Gasoline Engine M52B25
Piston rods	Connecting rod bearing	5	4	First stage	2.5L Gasoline Engine M52B25
Piston rods	Connecting rod bearing	20	15	Second stage	2.5L Gasoline Engine M52B25
Cylinder head	Cylinder head screws	40	30	Aluminium engine block, First stage	2.5L Gasoline Engine M52B25
Cylinder head	Cylinder head screws	30	22	Grey cast-iron engine block, First stage	2.5L Gasoline Engine M52B25
Cylinder head	Cylinder head screws	30	22	First stage	2.5L Gasoline Engine
Cylinder head	Cylinder head screws	40	30	Aluminium engine block, First stage	2.5L Gasoline Engine M50B25
Cylinder head	Cylinder head screws	30	22	Grey cast-iron engine block, First stage	2.5L Gasoline Engine M50B25
Cylinder head	Cylinder head screws	40	30	Aluminium engine block, First stage	2.5L Gasoline Engine M52B25
Cylinder head	Cylinder head screws	30	22	Grey cast-iron engine block, First stage	2.5L Gasoline Engine M52B25
Cylinder head	Cylinder head screws	40	30	Aluminium engine block, First stage	2.5L Gasoline Engine M52B25
Cylinder head	Cylinder head screws	30	22	Grey cast-iron engine block, First stage	2.5L Gasoline Engine M52B25
Sensor	Knock sensor	20	15		2.5L Gasoline Engine M52B25
Camshaft	Camshaft timing gear	5	4	First stage	2.5L Gasoline Engine M52B25
Camshaft	Camshaft timing gear	20	15	Second stage	2.5L Gasoline Engine M52B25
Crankshaft	Crankshaft central bolts	410	302		2.5L Gasoline Engine M52B25
Belt tensioner/Timing chains	Chain tensioner	70	52		2.5L Gasoline Engine M52B25

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to
Flywheel/Flex plate	Flywheel screws	105	77		2.5L Gasoline Engine M52B25

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to
Exhaust manifold	Exhaust manifold nuts	20	15		2.5L Gasoline Engine M52B25

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to

Part	Description	Torque (Nm)	Torque (ft/lbs)	Remarks	Applies to