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      05-12-2021, 02:14 AM   #14
Joe-BMW33
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Drives: '18 M550i|'21 X5|'03 540i
Join Date: Apr 2021
Location: Boston

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2013 VW Tiguan  [0.00]
2015 Infiniti QX60  [0.00]
2021 BMW X5  [0.00]
2003 BMW 540i  [0.00]
2018 BMW M550  [10.00]
Quote:
Originally Posted by blackdog2222 View Post
Yup, Bavarian installed the Dinan tune on my M550 as well. But that was almost two and half years ago. I pick them after interviewing a total of five local Dinan shops.
Same, I called around as well. At first I thought it would be best to get it done at an actual BMW/Dinan dealer thinking they would know more about the process and the warranty would be less at risk if done by a dealer. I realized quickly that didn't matter and there also were not any BMW Dinan certified dealers convenient to me. My dealer wasn't certified.

I interviewed a performance shop in Waltham as well as Turner Motorsport in Amesbury. The place in Waltham seemed unfamiliar with the product and wanted 3 hours for labor. The process takes less than an hours with meticulous harness zip tying. Turner stopped working on cars a few months ago and is 100% focused on racing.

It was clear Andy at BPG new what he was talking about and was very familiar with the product. I had an appointment for 8:30 Monday morning and was out of there in an hour including Andy walking me through the work that was done and pointing out the harness trail and control unit location. Walked me through the bypass jumper as well which I'll never use. They charged me $250, they need to make some money. I don't think they make anything off the product.
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2018 M550ix|Carbon Black|Dinan Modifications|2003 540i|Jet Black|M-Sport|2021 X5 Mineral White
Prior BMW's: 1987 325e|1993 740i|1998 740il|2001 530i|2002 745li|2007 750li|2006 750li|2001 530i|2012 535xi|
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