I just installed my bosch injector bodies rebuilt and balanced with Monark nozzles yesterday. The first thing I noticed before it even warmed up was that it was running like it used to when it was warmed up. It has a little bit more low end power. Pretty satisfied so far.

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'82 240D 224K miles manual transmission
mods: wooden 4by4 bumper, EGR delete and older EX manifold without EGR port, glass pack muffler (cheapest replacement muffler), rebuilt bosch injectors with Monark nozzles

working on: aux electric fuel pump, coolant/fuel heat exchanger/filter head, afterglow, low oil pressure buzzer/LED