Quote:
Originally Posted by 135 Jie
Reading up these forums I am tempted with going for one of the flash tunes, but hesitant due to the warrenty. I suppose with the N55 nothing will be available for it, so ill be literally forced to keep it stock haha. Neways it should be enough to keep me going, 1,200 rpm max torque is going to be crazy responsive. When I took the N54 for a test drive it was responsive enough as it was, it always had that urgency, practically no lag at all!
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I'd say wait until 10,000kms until you want to do it. The reason is that anything that fails in that time (when the car is most susceptible to it), BMW will blame on a tune if they find it. It also gives you a chance to appreciate the pure engineering that's gone into the car without any post-market mods.
After that, go with the JB3 - invisible and dear lord it's a great bang-for-buck mod. Unfortunately the flashes for 125s are bloody expensive and yield hardly any horsepower change compared to the JB3 for 135.