Hey guys just wanted to share something that worked out really well for me. I switched out my stock bmw VR sensor for the gear tooth hall sensor that diyautotune sells. I think this could be a simple solution for people having a lot of sync loss problems.
Just so were clear I've had 2 MS2 installs and 1 microsquirt installs that worked fine with the stock VR sensor but there was always some tweaking, adding resistors, changing the gap, buying brand new sensors, etc. My latest MS2 install I just couldn't get the sync loss to stop happening at low rpms.
Now I'm sure there is a problem somewhere in my setup that was causing the VR signal to be bad but for 1/3 the price of the bmw sensor you can get the hall sensor and it's much less finicky about air gap and noise.
It's not an exact size fit. I spaced the sensor back 3/4 inch with a plastic shim i cut up and I shaved just a hair off the bracket that holds the sensor to help center it up on the toothed wheel. It's been a month and so far I've had no problems. Considering the amount of people who have sync problems and the fact that its cheaper than the stock VR sensor I think it might be the way to go. Most people will have less trouble making a spacer for it than messing with the electrical signals from the VR sensor.
Just so were clear I've had 2 MS2 installs and 1 microsquirt installs that worked fine with the stock VR sensor but there was always some tweaking, adding resistors, changing the gap, buying brand new sensors, etc. My latest MS2 install I just couldn't get the sync loss to stop happening at low rpms.
Now I'm sure there is a problem somewhere in my setup that was causing the VR signal to be bad but for 1/3 the price of the bmw sensor you can get the hall sensor and it's much less finicky about air gap and noise.
It's not an exact size fit. I spaced the sensor back 3/4 inch with a plastic shim i cut up and I shaved just a hair off the bracket that holds the sensor to help center it up on the toothed wheel. It's been a month and so far I've had no problems. Considering the amount of people who have sync problems and the fact that its cheaper than the stock VR sensor I think it might be the way to go. Most people will have less trouble making a spacer for it than messing with the electrical signals from the VR sensor.
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