Missfires with BM3 Stage 1

[RichNa]

Stage 1 91 ACN octane. Im having missfires 5th time already in a month, changed plugs to ngk 1 step colder and gaped to 0.020, also i have installed brand new oem ignition coils, and still having missfires, what should i do? did anyone have same problem? How did you solve it?

[M6Roar]

Originally Posted by RichNa

Im having missfires 5th time already in a month, changed plugs to ngk 1 step colder and gaped to 0.020, also i have installed brand new oem ignition coils, and still having missfires, what should i do? did anyone have same problem? How did you solve it?

Stage 1 which octane? 93 or 91? & what ocaten you are using?
Do you have a datalog?
Did you read the code and it showed misfire?

Revert to stock tune & see if u still have the issue.

[RichNa]

Originally Posted by M6Roar

Stage 1 which octane? 93 or 91? & what ocaten you are using?
Do you have a datalog?
Did you read the code and it showed misfire?

Revert to stock tune & see if u still have the issue.

My car is 650i and its 91 ACN octane, didnt post logs to bm3, and yeah it says missfire

[Mr. M6]

check your injectors