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01-10-2019, 01:02 PM
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#6
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BimmerPost Supporting Vendor
Drives: 07-335/12-328/18-M4/21-M4CP
Join Date: Sep 2013
Location: Las Vegas
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Quote:
Originally Posted by ashok66
I was little hesitant but pulled the trigger. Have a brand new 2019 440ix. Waited to hit 1,200 miles and bought the JB4. Car is stock on 93 octane
Have had the JB4 2 weeks. No problems! Pulls hard. Smashed the gas pedal many times. No problems so far. I'm getting more confident with it each day
Trying to get some clean logs for review by BMS over on N54
Buy it!
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Awesome 
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