Oil the big end bolts, screw them in by hand and tighten with tightening angle indicator, BMW No. 112500.
Caution!
- Oil the bearings.
- Do not mix up conrods or bearing shells.
- Always use new big end bolts.
- Use a felt-tipped pen or similar to mark the installed positions on the conrods.
Tightening torque: Big-end bolts (oiled):
- Closing torque — 20 Nm
- Tightening angle — 80°