Home/Torque Specs/BMW/320i/2012-2015 2.0L I4 Turbo N20/Valve Springs - All

Valve Springs - All Torque Specifications

2012-2015 BMW 320i 2.0L I4 Turbo N20

Labor Time:8.1 hours

🔧 Torque Values12 specifications

Component	lb-ft	Nm	Notes
⚠️ Camshaft Cap Bolts	10	14	Tighten in sequence from center outward, multiple passes
Cover Bolts	12	16	—
Electrical Connector Bolts	5	7	—
⚠️ Gasket Bolts	15	20	—
⚠️ Gasket Surface Bolts	15	20	Clean mating surfaces
⚠️ Mounting Bolts	35	47	—
⚠️ Rocker Arm Bolts	22	30	Tighten with cam lobe pointing away
⚠️ Rocker Arm Shaft Bolts	18	25	Tighten evenly in sequence
Sensor Bolts	8	11	—
Sensor Mounting Bolts	8	11	—
⚠️ Spark Plugs - Aluminum Head	15	20	Apply anti-seize to threads
Valve Cover Bolts	7	10	Tighten in sequence

⚠️ = Critical torque value | Always verify with vehicle-specific service manual

⚠️ Some critical specs are estimated. Please verify sequence.

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Common Questions

What is the torque spec for valve springs - all on a 2012-2015 BMW 320i?

The primary torque specification for valve springs - all on a 2012-2015 BMW 320i is 14 Nm (10 lb-ft). Note: Tighten in sequence from center outward, multiple passes

How many torque specs are there for BMW 320i valve springs - all?

There are 12 torque specifications for valve springs - all on the 2012-2015 BMW 320i 2.0L I4 Turbo N20, covering all related fasteners and components.

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