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      07-31-2012, 12:49 PM   #23
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Drives: 2012 White 650i
Join Date: Jul 2012
Location: Houston,TX

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I will try and record a video tonight and post 0-100 for you to see. The weather should be about 75 tonight with about 90% humidity. In Houston, Tx during the summer it’s like inhaling peanut butter when you walk outside.
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      07-31-2012, 03:09 PM   #24
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Drives: 640d Msport
Join Date: Jun 2010
Location: centurion

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nice runs .. if u have the new 330kw 650i then its veri possible u'll beat the 550i dinan ??
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      07-31-2012, 08:14 PM   #25

Drives: 2009 x5 4.8i vermillion red
Join Date: Apr 2012
Location: brooklyn new york

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I met another guy with 550 Dinan 2 and he walked me of the line every time but at least a car . We didn't run the 60-120 run though . So my faith in Dinan is back .
I also spoke with my dealer and was told once Dinan is installed if I absolutely don't love it few days after INsTALL I can get refund and they will delete program from my car
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      07-31-2012, 09:42 PM   #26
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Drives: 2015 M6
Join Date: Jan 2011
Location: MD

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Originally Posted by lifesgud2 View Post
These "claims" of feel really dont mean a whole lot without dyno numbers. Dinan is notorious for claiming false numbers. Im happy to hear that you are happy, but we really need before and after dyno numbers. I am thinking of doing stage 2 as well, but will def get the car on a dyno before.
Dyno shops are notorious for producing false numbers. Dinan is one of the few aftermarket companies that puts in significant amounts of time to ensure their dyno numbers are correct. If the dyno is measuring the power by strapping down the car and driving on rollers, then the data is probably not realistic. So of course, Dinan's numbers won't match the 3 pulls for $60 dyno shop. The Dinan dyno methodology is explained here:

The only "real" results that regular person can realistically measure is at the local dragstrip. My Stage 2 results are below and I'll say they aren't too shabby for a race weight of 4760lbs. Naturally, a 650 with Dinan will be even faster.

2015 M6 Drophead Coupé
2015 328xd Estate
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      08-01-2012, 09:39 PM   #27
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Drives: 2010 BMW 730Li
Join Date: Apr 2010
Location: Singapore

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Dinan products are tried and tested tons of times before being put on the shelf for sale. One is not just paying for the brad but for all the work that has gone into developing the product. I have a friend who had his older M5 engine sent to Dinan, stroker kit etc etc and his car has been running over 2 years with not a single problem to date. If I had the 650, I would have done the Dinan upgrades in a blink of an eye. Pay more but peace of mind.
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