I've been told the flow rate is different it may cause some problems. I once did this the other way, putting the 240/ nozzles in an OM603. The engine ran slightly quieter but it smoked more on acceleration.

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2004 VW Jetta TDI (manual)

Past MB's: '96 E300D, '83 240D, '82 300D, '87 300D, '87 420SEL