engine

Timing Chain Kit Torque Specs

for 2017 BMW M3 F80 3.0L I6 Twin-Turbo S55 · RWD

Units

6 fasteners

Seq

Component

Torque

Angle

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Camshaft Sprocket / VANOS Bolt (replace)

Critical

59 lb-ft · 80 Nm

—

Crankshaft Hub Central Bolt (replace, angle-tightened)

Critical

148 lb-ft · 200 Nm

—

Guide Rail Bolts (M6)

7 lb-ft · 10 Nm

—

Timing Chain Tensioner (head-mounted)

Critical

52 lb-ft · 70 Nm

—

Timing Cover Bolts (M6)

7 lb-ft · 10 Nm

—

Timing Cover Bolts (M8)

16 lb-ft · 22 Nm

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