Quote:
Originally Posted by Twin 2rbo
I don't know much about the tune but when I hold the top left and top right buttons on the steering wheel while the car is on, I can select a performance level. The tach goes to 1 and I can use the up and down arrows on my steeringwheel to select 1-5. The problem is when I do this, I have no use of the tach or speedometer while driving.
I'm going to take the car to a BMW dealer and inquire about the "turbo warranty" just to have them take a deeper look into the car to see if everything looks copacetic. Even if it is just for them to tell me the car has a voided warranty because it's chipped.
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To enable the JB4, you hold down the "bottom" buttons for volume down and track down to enter command mode.....Out of curiosity, is this a CPO? Did the dealership disclose the fact the car came with a tune?
http://www.google.com/url?sa=t&rct=j...vs3aU3QSFye5Sg
^Get into the ECU box and see what tune you have.