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      06-14-2011, 08:18 PM   #9
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Drives: E30 M3, E92 Frozen GTS
Join Date: Jan 2010
Location: Ny

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2011.75 E90 BMW M3  [3.83]
2011 bmw/ m3  [0.00]
Originally Posted by img View Post
Whenever you take your car to the dealer for an ECU software update,BMW automatically lock your ECU after loading the updated software.
Most after market tuners takes a day or two to unlock your ECU so they can load the performance software again.
I went through it twice when i was NA !!!!
well if you just supercharged you car and stopped wasting money in the first place ..... nobody likes a slow e90
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