1990-1991 BMW 325i E30 Flex Pipe Torque Specs

2.5L I6 M20

Applies to 1990, and 1991 BMW 325i E30

Labor Time:2 hours

Torque Values (7 specifications)

Component	Nm	lb-ft	Notes
Cover Screws	11	8	—
⚠️ Flange Bolts	47	35	Apply anti-seize
Hanger Bolts	20	15	—
Heat Shield Bolts	14	10	—
⚠️ Manifold Nuts	34	25	Apply anti-seize
Mounting Bolts	27	20	—
⚠️ O2 Sensor	47	35	Apply anti-seize to threads

The primary torque specification for flex pipe on a 1990-1991 BMW 325i E30 is 11 Nm (8 lb-ft).

There are 7 torque specifications for flex pipe on the 1990-1991 BMW 325i E30 2.5L I6 M20, covering all related fasteners and components.