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      07-01-2015, 06:03 PM   #1
AlfaHoser
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Anyone have the Dinan Stage 1 for 28i?

Have a Cobb Accessport on my 335i and love it. Was looking for similar options for the 28i I recently bought (couldn't find any manual 35i anywhere at the time) and came across the Dinan option but in all my searching I can find anyone writing about it for the 28i.

Anyone out there using it? I know about the Burger unit but am wondering about the Dinan. Looks to be similar increases to the Burger but sounds like a better engineered solution.
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      07-08-2015, 03:48 PM   #2
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Hi,

I come from an 335i to an 28i - but use an JB4 and been running it for over 12 months - with no issues.

I also have the JB4 Connect kit as well



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      07-08-2015, 08:01 PM   #3
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How is the power delivery? Nice and smooth?

Thanks,
Kevin
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      07-09-2015, 02:39 AM   #4
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I have no issues with power delivery, I would say it is smoth.

Nice to have ability to read logs - no errors as of yet
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      07-11-2015, 10:26 AM   #5
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Is the extra power worth the trouble? Is it noticeable?

I'm coming from a 135i with dinan Stg 3 and I'm worried that I'll be missing the power.

Ken
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      07-11-2015, 11:39 AM   #6
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Look at all the information - and my own driving experience I would say an 28i with an JB4 Stage 1, is comparable to an N54 Standard.

There is an difference in not having an 3ltr - the power delivery is smooth - but does not quiet feel like the N54 - but not really noticeable.

The only negative is the N20 does not sound like an N54 - but cost of ownership means that I am saving £2,000 per annum which is about $3500 per year.

I would not trade up from an 28i to 35i, but would trade up from an 28i to an 35is.

I am taking the car to an track day next weekend - were they had the F1 race held in the past "donnington". And hoping to take the car to Centa Pod to do some 1/4 goes - hoping to be low 13's but sub 14 secs. Which is similar to an standard 35i.
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      07-11-2015, 02:06 PM   #7
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Let us know how it does!

The JB4 says max 35hp and 50tq at the wheels. The Dinan says 47hp & 43tq although that is unclear if at the wheels or crank.

I think coming from a 135 with stage3 you will be at a LOT less. My 335i has a Cobb at stage 1 91 octane, no mods other than Cobb and there is a very noticeable improvement, that car is MUCH faster than the Z4 and I imagine would continue to be so after adding either Dinan or JB4 to the Z4. I like the sound of the 28i, mostly on the overrun :-). It has some punch but just not in the same class. If either of these let's it be close to the stock 35i then that would be pretty nice. I still haven't been able to find anyone running the Dinan with a 28i though.

Kevin
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      07-11-2015, 03:39 PM   #8
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What I have learned on the N20 it not as rock solid as the N54 - there are an few situations were peeps have blown the engine! Have an look on other forums.

One thing I do have to say - the JB4 for the Z4 is not evolving - not much product development in the last 2 years - as its an niche car.

Below is my first attempt with track days -





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      07-11-2015, 04:14 PM   #9
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The guy in front of you in the second one should have given you a point by a lot sooner than 6 minutes in! What happened at the end? Did you break something?

On the N20 development, you would think there would be a lot more of it since they put it in 328's, 528's and the X's...

Kevin
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      07-11-2015, 06:00 PM   #10
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One of my alloygators came off (https://www.alloygator.com/) they protect the alloys from wife kerbing the car.

Yes - He should have let me pass an lot quicker

On the JB4 in an Z4 e89 & X1 E84 are E series cars, and the canbus is different in F series cars.

This may be an normally with JB4 - but I would advise you to clarify - before purchase

As I know EWG there is no solution for the E89/E84 - with the JB4 - but the is for the F series of cars
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