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      01-17-2015, 07:38 PM   #45
Twix
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No, still in my car. Allen has sent you an email, but we're waiting to see how to move forward before they stick me in a loaner car. There's no lights on the dash lit up, so I'm sure everything is fine except the lack of power.
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      01-17-2015, 08:07 PM   #46
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Hi Twix,
Thanks for being the Canadian guineapig 😉
Does your car have the electronic waste gate?
It seems like I will have to take a drive from Vancouver to Calgary to get it installed once the roads defrost.
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      01-17-2015, 08:24 PM   #47
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Yeah, EWG. Should only be 2HP difference. I'm wondering if this has anything to do with the Canadian cars having overboost causing the Dinan software to back out the timing to keep from predetonation or something. I mean, it works in the F30 328Xi they have, so it should work in my car just the same.
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      01-17-2015, 10:12 PM   #48
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Quote:
Originally Posted by Twix View Post
Yeah, EWG. Should only be 2HP difference. I'm wondering if this has anything to do with the Canadian cars having overboost causing the Dinan software to back out the timing to keep from predetonation or something. I mean, it works in the F30 328Xi they have, so it should work in my car just the same.
I am truly looking foward to your Appraisal on this Dinan stage 1 upgrade understanding you already benefit from that 110trq over boost.
I wonder if there will be really a tangible difference with this Dinan'S mod ...
Keep us posted!
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      01-17-2015, 10:43 PM   #49
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The 328xi we drove exploded off the line all the way to redline. Very close to JB4 in feeling. Once we get this all sorted out, I'll let you know if there's any difference from X1 to 328xi.
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      01-17-2015, 11:18 PM   #50
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Quote:
Originally Posted by Twix
No, still in my car. Allen has sent you an email, but we're waiting to see how to move forward before they stick me in a loaner car. There's no lights on the dash lit up, so I'm sure everything is fine except the lack of power.
Got it. We will figure it out. Like I stated earlier what you felt in the 328 should be nearly identical to what you would feel in the x1. Given, the weight difference and other factors may mute it slightly but they are essentially the same tune.
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      01-18-2015, 04:59 AM   #51
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Has nothing to do with wheel versus crank horsepower. BMW rate at the crank as does Dinan. For whatever reason BMW seems to be underrating its engines in this generation by our measuring methods. It is more prevalent in the M lineup but in almost every application we have noted a discrepancy in the ratings versus what we actually measure at stock, especially in the torque department.

Our charts are shown the way they are just so its clear that we are not taking credit for power we do not make. As to the reason why they are being underrated... your guess is as good as ours.
Can you confirm if this is true for X1 as well? Coz I test drove sdrive 18d xline and now I own sdrive 18d m sport and I felt difference on how they delivered power.
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      01-18-2015, 03:49 PM   #52
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Can you confirm if this is true for X1 as well? Coz I test drove sdrive 18d xline and now I own sdrive 18d m sport and I felt difference on how they delivered power.
We do not see the 18 models in the US and we have not done any testing on the diesels so I can't comment on the vehicles you are inquiring on.
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      01-18-2015, 06:36 PM   #53
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We do not see the 18 models in the US and we have not done any testing on the diesels so I can't comment on the vehicles you are inquiring on.
Oh yeah.. but does it hold true for X1 petrol versions?
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      01-19-2015, 10:01 AM   #54
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Oh yeah.. but does it hold true for X1 petrol versions?
Yes. We measured both higher HP and torque on the X1 28i than the BMW factory claims. We state as such in our power charts.
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      01-20-2015, 02:10 PM   #55
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Twix, sorry if this has already been discussed elsewhere but...Why did you switch from the JB4 to Dinan? I completely understand the warranty issues. How would you rate the JB4? If this has previously been discussed, please redirect me.
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      01-27-2015, 04:49 PM   #56
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Dinan is now a success!
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      01-27-2015, 05:14 PM   #57
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I just upgraded my X1 s28i to stg1 dinan and wow what a difference. I'm so glad I didn't get the x35i.
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      01-27-2015, 05:49 PM   #58
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Quote:
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Dinan is now a success!
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Originally Posted by quads View Post
I just upgraded my X1 s28i to stg1 dinan and wow what a difference. I'm so glad I didn't get the x35i.
Glad we were able to get your programming issue worked out Twix and glad you both are pleased thus far with the tune. I'm sure the community in general is anxiously awaiting a more detailed review but personally, "Wow," is good enough for me. =)
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      01-27-2015, 05:50 PM   #59
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Dinan is now a success!
Congrats Twix. Drive it around a bit and give us your impressions. Plus any dyno testing you may do.
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      01-27-2015, 05:51 PM   #60
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I just upgraded my X1 s28i to stg1 dinan and wow what a difference. I'm so glad I didn't get the x35i.
You should feel a Dinan tune in the 35i, that is unless having close to 400lbs of TQ doesn't appeal to you
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      01-27-2015, 07:46 PM   #61
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I've driven a Dinan tuned Z4 35i and a Dinan tuned 650i. 400lbs of TQ isn't a whole lot for me, I had a 97 T-bird and an 87 Mustang with a 410 Windsor with 3 stages of giggle gas.

The 28i is definitely faster and torquey, but it's not the animal the 35i or 50i becomes with the tune. It is, however, perfect for my needs as a daily driver that sees a lot of highway driving. Hopefully the next trip I have to drive to work, I'll reset my MPG and see how much I'll have lost.

I have plans this summer to buy a Cayman S or a 128i and strip it out and do a full racer. I'll be keeping the X1 as a daily and bike hauler .
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      01-27-2015, 08:32 PM   #62
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DinanTRONICS Unit

Here is what the Diana Tronics Unit looks like.
Fits nicely under the hood.
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      01-27-2015, 09:07 PM   #63
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Quote:
Originally Posted by Twix View Post
I've driven a Dinan tuned Z4 35i and a Dinan tuned 650i. 400lbs of TQ isn't a whole lot for me, I had a 97 T-bird and an 87 Mustang with a 410 Windsor with 3 stages of giggle gas.

The 28i is definitely faster and torquey, but it's not the animal the 35i or 50i becomes with the tune. It is, however, perfect for my needs as a daily driver that sees a lot of highway driving. Hopefully the next trip I have to drive to work, I'll reset my MPG and see how much I'll have lost.

I have plans this summer to buy a Cayman S or a 128i and strip it out and do a full racer. I'll be keeping the X1 as a daily and bike hauler .
There's always something bigger and meaner out there. The Dinan X6 50i I had measured 497TQ at the wheels. But it also drank gas and hwy mileage wasn't much better than in the city. The X1 has proven to be a fun daily drive and not near the gas sucker. Personally I've not seen any loss in mileage with the Dinan tune on the 35i. It still meets/beats the rating for the stock model.
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      02-03-2015, 02:45 PM   #64
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Dinan is set to go in on February 14th at BMW of Austin. I will give feed back once I have had a chance to run it for a while. I will give a comparison as to acceleration, drivability, MPG's etc...Car is otherwise stock except for tires. Went with non-runflat Michelin Pilot Sport AS 3's in 245/45 18.
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      02-04-2015, 01:39 AM   #65
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Dinan is set to go in on February 14th at BMW of Austin. I will give feed back once I have had a chance to run it for a while. I will give a comparison as to acceleration, drivability, MPG's etc...Car is otherwise stock except for tires. Went with non-runflat Michelin Pilot Sport AS 3's in 245/45 18.
How do you like the tires? I think the PS AS/3's really improved the ride and comfort on my X1!
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      02-04-2015, 08:08 AM   #66
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Originally Posted by BMWConvert View Post
Dinan is set to go in on February 14th at BMW of Austin. I will give feed back once I have had a chance to run it for a while. I will give a comparison as to acceleration, drivability, MPG's etc...Car is otherwise stock except for tires. Went with non-runflat Michelin Pilot Sport AS 3's in 245/45 18.
How do you like the tires? I think the PS AS/3's really improved the ride and comfort on my X1!
Really like the tires thus far. The ride is much improved, great traction. Overall I'm very pleased
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