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      01-23-2021, 09:16 AM   #31
Mdog97
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Drives: 2022 M3 Competition
Join Date: Nov 2016
Location: TX

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Quote:
Originally Posted by Mdog97 View Post
After reading all of the comments and debating back and forth / between the JB+ and the JB4, I just ordered the Dinantronics D440-0047 direct from Dinan.
UPDATE: package with DINANTRONICS Sport Performance Tuner arrived. Contents = just the 4-connector harness with attached small hard plastic CPU box and 7 zip ties. The instructions are downloaded as a PDF from their website.

Install was fairly easy - I went REALLY slow figuring out how to disconnect the first connector, as it's not intuitive how it works and I didn't want to break it. Also didn't look carefully enough at the first photo, and started fooling with the wrong sensor/connector first. Had to reference a JB4 installation video on youtube to try to get a better view of what part of the connector moves and where to poke with the small flat blade screwdriver. Once you figure out one of them, the rest are very quick.

Haven't started or driven the car yet - will do so today or tomorrow. (Swapped on the black grille and installed ECS spacers yesterday, will be trying to do the chrome delete of the window trim using vinyl film today.)

I can easily see how the Dinan setup could come off and back on for dealership service visits - probably just unhook it at the four connections, replug the OEM connections, and plug the Dinan ends into each other (or not) and temporarily zip tie them out of the way. If the tech doesn't remove the big plastic engine cover, he will probably never know it's there.
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