belts
Special tools
- Flywheel timing pin – BMW No.11 2 300.
- Camshaft alignment tools – BMW Nos.11 2 441/442/443/444/445.
- Timing chain pre-tensioning tool – BMW No.11 3 390.
Special precautions
- Disconnect battery earth lead.
- Remove spark plugs to ease turning engine.
- Turn engine in normal direction of rotation (unless otherwise stated).
- Observe tightening torques.
- If fitted: Mark position of crankshaft position (CKP) sensor before removal.
- Do NOT turn crankshaft via camshaft or other sprockets.
- Do NOT turn crankshaft or camshaft with timing chain removed.
Valve timing procedures
- Engine at TDC on No.1 cylinder.
- Insert flywheel timing pin [1] . Tool No.11 2 300.
- Ensure No.1 cylinder camshaft lobes are facing [2] .
- Ensure arrows on camshaft sprockets face upwards [3] .
- Install camshaft alignment tools [4] . Tool Nos.11 2 441/442/443/444/445.
I realized that is not easy with my 320d e46 m47engeen 2004 model timing, I replaced top and camshaft without marking and looking where they point. But I believe from this page I will get it Wright.