3 Series E30 325i (M20) SAL
Otherwise, interference can occur due to insufficient pre-ignition knock resistance,
which can in turn cause varying degrees of engine damage.
BMW will not accept any liability for complaints concerning damaged engine valves
or valve seat rings, and arising in conjunction with the situation described above.
SI Operation with unleaded fuel without "hardened" valve seats M10 M20 M30 S14 , M8
BMW AG - TIS
Issue status (12/2007) Valid only until next DVD is issued
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