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      10-01-2013, 03:18 PM   #1
dr.mba
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Drives: 2017 F. Grey M3 ZCP
Join Date: Apr 2011
Location: Canada

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Should I be running two tunes in tandem?

Hello everyone,
Been thinking about this for a while. As some of you might know, I had the N55 JB4 stage 1 installed and then went ahead and bought the race chip. I have been happy with the performance of the race chip overall but miss the explosiveness that came with the JB4. I have been thinking for the last week about running both tunes in tandem, with the base tune being the race chip and the override with BMS stage 1. I was a bit scared that this maybe a bad idea, as it may not be the safest thing to do. I gathered my courage and did this today. I have not pushed the car at all, I just wanted to see if there would be any CEL thrown, and guess what.... It runs just fine!
Now before I go punching the pedal to the metal, I would appreciate if anyone here, who is more technical than me, could give some sound advise whether I should be doing this to start with! For your information the car is owned, so I don't want to ruin it/damage the drivetrain... Please chime in..

MBA
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