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10-31-2014, 12:06 PM | #1 |
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Back to Back Dyno Comparision: Stock CP vs. Dinan Stage 1 Tune
Like many of you, I've been on the fence regarding doing a tune on my M5. I love my 2014 CP M5 and love these cars so much I've had two M5's...my first was a 2013 M5. I love how the car is under-rated and my assertion has always been that these cars are under-rated from the factory. However, I am a car freak and so stock is never good enough.
The Dinan tune was attractive mostly because it essentially came with a warranty and would be installed by a BMW dealership. Furthermore, my dealer told me that if the tune didn't work, they would refund me (I've read stories about tunes being installed improperly and about the Dinan tune "not working" so I was a bit worried). I visited a good friend of mine at Autobanh Motorsports in Houston to dyno the car bone stock. She made 519.65 rwhp. This was the second pull I did with the car (so it was a bit heat soaked, for reference the car made 537 rwhp on the first pull but I decided that for comparison's sake, I would use the lower number - more on that later). Got the tune installed at Momentum BMW in Houston, went back to the dyno. Car layed down 572.06 rwhp with the Dinan tune and showed impressive gains throughout the whole RPM range. The reason I am using the 519 rwhp to compare is that I didn't have time to fully cool the car to do a hail mary non-heat soaked pull. Sooooooooo, in order to preserve as much of an apples to apples comparison I used my stock "heat soaked" number to compare to my tuned "heat soak" number. Car feels strong on the street. The only thing I regret not doing is a 60-130 and 100-150 pull stock so that I could compare to those same metrics tuned. I think the 60-130 will suffer a bit as the car spins to the top of 2nd (80 mph or so). I will post v-box numbers for 60-130 and 100-150 this weekend. Of note: I do not believe in artificially inflating numbers by using the STD correction factor, so I used SAE. Correction factor on stock pulls was 0.99 and on tuned pulls was 0.98. Also, using a 15% driveline loss, looks like the motor is making 611 HP stock and 675 tuned. Not bad!
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11-02-2014, 12:32 AM | #2 |
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So, only mod is the Dinan 1? No intake or exhausts mods? Even if you throw out the the 519hp and keep the 537hp that's an impressive improvement, imo. Same dyno, temp, etc...?
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11-02-2014, 08:59 AM | #4 |
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Literally BONE STOCK with ZERO mods to only tune. Stock filters, stock exhaust, no charcoal mod.......I plan to 60-130 and 100-150 soon
As for conditions. Almost identical.
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11-03-2014, 03:16 PM | #7 |
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Crap - this thread just cost me $$$$$!!!
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2014 M5 Competition|Space Grey|Black Merino Full Leather|Anthracite Trim|Executive package|LED Lighting Package|Drivers's Assit Package|B&O Sound System|Bel STiR Plus 9500ci|IND Side Markers and Side Vents|Exhaustmeister|HRE P101 Satin Charcoal/Michelin PSS (Summer)|601/Pirelli Sottozero Serie II (Winter)|Coded by V12
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11-03-2014, 04:05 PM | #9 |
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Now I am going to spend those $$$$ at Dinan.
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2014 M5 Competition|Space Grey|Black Merino Full Leather|Anthracite Trim|Executive package|LED Lighting Package|Drivers's Assit Package|B&O Sound System|Bel STiR Plus 9500ci|IND Side Markers and Side Vents|Exhaustmeister|HRE P101 Satin Charcoal/Michelin PSS (Summer)|601/Pirelli Sottozero Serie II (Winter)|Coded by V12
Last edited by DrewM5; 11-04-2014 at 07:30 AM.. |
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11-13-2014, 03:54 PM | #12 |
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60 mph to 100 mph runs.
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2014 M5 Competition|Space Grey|Black Merino Full Leather|Anthracite Trim|Executive package|LED Lighting Package|Drivers's Assit Package|B&O Sound System|Bel STiR Plus 9500ci|IND Side Markers and Side Vents|Exhaustmeister|HRE P101 Satin Charcoal/Michelin PSS (Summer)|601/Pirelli Sottozero Serie II (Winter)|Coded by V12
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12-05-2014, 04:20 PM | #15 |
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was this with the updated map that dinan released a bit afterwards?
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12-05-2014, 06:58 PM | #16 |
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Drew and turbo I haven't done 60-130's or 60-100's yet but will.
BMW it was a dynojet e92 not sure. When was it released?
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12-05-2014, 07:58 PM | #18 |
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Well car was tuned end of October. I wonder how I can check? Dinan talk to me?
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12-05-2014, 09:38 PM | #19 | |
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Quote:
UPDATE: Confirmed. HoustonT was/is running the newest version of software/firmware. Last edited by Dinan_Engineering; 12-06-2014 at 12:02 PM.. Reason: Update |
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01-25-2015, 07:26 AM | #21 | |
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Quote:
I've been in an E90 M3 for the last 3 years and James Crowe at Momentum has been my SA and has always been great. He mentioned the Dinan when he heard I was moving into the F10 as their service manager ha a similar set up from what I hear.
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01-25-2015, 08:47 AM | #22 |
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Message me you cell. I'll get you hooked up with the service manager.
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