BMW 2.5CS - 3.0CSL
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64 - Heating system and air conditioning
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64 21 241 - Replacement of air hose for fresh air nozzle on left-hand side
Remove cover on instrument panel at the centre bottom
left cf. 51 45 190 - do not pull off cable connections.
Pull air hose fresh off air nozzle and intermediate section.
Pull out air hose to the left.