Hi,i have converted my M103 Fuel only with ms1 v2.2

M104 fuel rail with m103 stock fuel injectors (siemens deka)
Stock CLT
Stock IAT
Aem wideband
Aem dryflow
Stock TPS

I have connected all the required cables and started easily but a major problem is fluctuating rpm(tunerstudio)for this reason i cannot set my afr.I have replaced my ignition coil and nothing was changed.Please help

Give as more info, do they fluctuate when cold or when hot , at idle, at speed or always ? Rpms can fluctuate from a number of things including wrong fuel mixture, can you provide a datalog MS ?

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190E 3.0-24v (M104 980) turbo @ 0.8 bar
1/4 mile: 2.483 / 13.540 / 175.17 km/h (street tires)

Car's tacho rpm is stable,problem is rpm is fluctuating at tunerstudio and for this reason i cannot set the VE table.
Fluctuate=800s to 6000s rpm

IT SOUNDS LIKE NOISE IN YOUR TACH SIGNAL, PROBBABLY WIREING ISSUE

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ce 320 amg
widebody
tiwn turbo
Mutty 'der nail'
soon to be a six speed nail


"some mods improve your car and make it into something it never was, other mods, however, although essentially the same, are not, and make that car a ricer"

if your car isnt shiny, you dont know what you are talking about, remember; paint shine = knowledge. In order to be taken seriously, you should spend all your money on paint, (and get a dyno reading).
Dont forget to polish it often