REMARKS :
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- steel billet camshafts
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The VANOS (VVT) system on the intake camshaft changes the valve timing:
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M50TU /B20: from 105° to 80° (exhaust: 105° fix)
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M50TU /B25: from 110° to 85° (exhaust: 101° fix)
The data are shown for full intake retard (disengaged VVT). Check distance between valves and piston to be 1mm at least with VVT engaged. Wrong installation will cause severe engine damage!
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lock or limit range of VANOS system
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Before camshaft installation: please remove the cam carriers and fit the new camshafts in the empty cam carriers to check interference with the cam lobes. Modify the cam carriers if required.
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ONLY for dirt track applications and pro street use with adjustable engine management or carburettors