Thread: m103 vs m104
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Old 02-24-2003, 04:43 PM
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sixto sixto is offline
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 20,118
I think later M104s use Bosch HFM instead of Bosch KE-Jetronic. There's a lot of electronics to transfer over if you're switching to HFM.

91 300SE
87 300SDL
83 300SD
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