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  1. E85 / E86 Z4 (2003-2008)
    Some of you may have heard of an ECU tuning company called PowerChip located in Costa Mesa, CA. Under their previous management, PowerChip products developed a checkered reputation with some users in the BMW community. The company has recently undergone a major change in management and...
  2. E90/E91/E92/E93 (2006 - 2013)
    Title changed: I did not get the 328i ECU update... NOTICE!!! This thread was started as I was about to get the ECU software update from Powerchip. In short, I did not get the software. However, others are still trying their best to get one soon. If you'd like to know about what happened to...
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