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      07-04-2013, 04:33 PM   #7
Rygel XXV
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Drives: 2014 X6M
Join Date: Jun 2011
Location: San Francisco Bay Area

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Just wanted to share my experience. I have a Dinan stage 2 for my N54 engine, and I'm fortunate enough to live near a Dinan office. Can't really say much about performance comparison as I wasn't racing or tracking, just felt the car needed more power over stock.

For what it's worth, it's never been a problem to make an appointment to reload the software whenever it's seemed like the dealer reset it. I will say I had a couple of odd occurrences after the initial install, and I'm not sure if that was related to the tune or not. Regardless, never had any issues with dealer warranty repairs.

This is my first tune, and I'd say the peace of mind of the Dinan warranty and ease of dealing with all parties has been worth it.

Hope that helps!