Timing Chain Kit Torque Specs

for 1990 BMW M3 2.3L I4 S14 · RWD

Units

3 fasteners

Seq

Component

Torque

Angle

—

Camshaft sprocket bolt (M8)

Critical

18 lb-ft · 24 Nm

—

Crankshaft pulley/hub center bolt

Critical

302 lb-ft · 410 Nm

—

Upper chain tensioner cap nut

Critical

30 lb-ft · 40 Nm

—

Building an app?

Free API access to all this data — 50 requests/day, no card required.

Run a shop?

Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.