[Orb]

Originally Posted by DSe93

great write-up... I'm really looking forward to the Dinan upgrade that I recently read about (something to do with ReFlash + Intercooler)... but it was just a post on here, not solid info yet...

HAHAHA

Yup, and it should work out to peak gains of 85 HP and 110+ ft-lb over stock at the flywheel. Now a M3 killer on top end power.

Orb

[ybbiz34]

Originally Posted by Orb

How long have you had the tune? You’re not the first to complain as it takes several days or 200 miles to adapt and you have to run through the full power band numerous times. Run it hard it 2nd thru 4th and it will adapt faster. You will now it when it does as there lot more torque. There another thread here were someone said the same thing and few days later he said the opposite. The gains are 46 whp (55 hp flywheel) and 79 wtq (88 ft-lb flywheel). The other numbers you looked at are the largest difference in power within the full RPM range.

+1

Go out and drive your car hard, and give it some time to adapt.

It is not sluggish down low either, it just isn't jerky like stock. You'll get used to it.

[e90AW335i]

Originally Posted by ybbiz34

+1

Go out and drive your car hard, and give it some time to adapt.

It is not sluggish down low either, it just isn't jerky like stock. You'll get used to it.

You could always force adaptation using Eugen's technique....

[Dan335i]

How many miles do have on the tune?

[Bubbles]

Originally Posted by ybbiz34

+1

Go out and drive your car hard, and give it some time to adapt.

It is not sluggish down low either, it just isn't jerky like stock. You'll get used to it.

+1

Originally Posted by Orb

How long have you had the tune? You’re not the first to complain as it takes several days or 200 miles to adapt and you have to run through the full power band numerous times. Run it hard it 2nd thru 4th and it will adapt faster. You will now it when it does as there lot more torque. There another thread here were someone said the same thing and few days later he said the opposite. The gains are 46 whp (55 hp flywheel) and 79 wtq (88 ft-lb flywheel). The other numbers you looked at are the largest difference in power within the full RPM range.

Good info.

Originally Posted by DSe93

great write-up... I'm really looking forward to the Dinan upgrade that I recently read about (something to do with ReFlash + Intercooler)... but it was just a post on here, not solid info yet...


HAHAHA

Stage II is coming soon!

[bman5150]

Originally Posted by trueblue

I also recently had the Dinan reflash done on my 08, but I have to say I am completely disappointed at the result.
Here is what I have found, from the start it feels like the car is not even boosting until passing 3.5k mark. The whole point of the small twin turbos is to reduce lag and the stock car has done that quite well. Power was available from 1400 rpm but now it's gone. It's almost like Dinan puposely held back the turbos from spooling up until 3.5k rpm.
Once you get into it the power does NOT feel like the claimed 90 hp and 120 f-lb increase at all. At nearly 400 hp and 421 ft-lb of torque the car should not feel like it is struggling or stressing at any point from 1400 to redline.
I am going to talk to the Dinan dealer and have the car dynoed to verify (for some reason the dealer advises against getting on the Dyno, siting not enough airflow can be supplied for valid results?)
We'll see.

Have you had the car serviced since you got the Dinan tune? If I'm understanding this Dinan tune correctly, they simply flash your ECU with a new tune, effectively replacing the stock tune with their complete tune. Therefore, is it possible that during routine service that the bmw tech updated your ECU tune with a BMW stock tune update, not realizing you had the Dinan tune loaded on there?

[Bubbles]

Originally Posted by bman5150

Have you had the car serviced since you got the Dinan tune? If I'm understanding this Dinan tune correctly, they simply flash your ECU with a new tune, effectively replacing the stock tune with their complete tune. Therefore, is it possible that during routine service that the bmw tech updated your ECU tune with a BMW stock tune update, not realizing you had the Dinan tune loaded on there?

Unlikely, but possible. There should be a white sticker on software port cover warning the tech of performance software loaded.

[judec]

Originally Posted by e90AW335i

You could always force adaptation using Eugen's technique....

OT: what technique are U guys referring to? could U post a link?

[vase330]

Originally Posted by trueblue

I also recently had the Dinan reflash done on my 08, but I have to say I am completely disappointed at the result.
Here is what I have found, from the start it feels like the car is not even boosting until passing 3.5k mark. The whole point of the small twin turbos is to reduce lag and the stock car has done that quite well. Power was available from 1400 rpm but now it's gone. It's almost like Dinan puposely held back the turbos from spooling up until 3.5k rpm.
Once you get into it the power does NOT feel like the claimed 90 hp and 120 f-lb increase at all. At nearly 400 hp and 421 ft-lb of torque the car should not feel like it is struggling or stressing at any point from 1400 to redline.
I am going to talk to the Dinan dealer and have the car dynoed to verify (for some reason the dealer advises against getting on the Dyno, siting not enough airflow can be supplied for valid results?)
We'll see.

Dude, you sound like me. I drove my car 3 hrs first day, then went back to the dealer to bitch at them about WTF, my car is worse now. Wait a while and drive around a while and bring it back in couple days and we will take back to stock if you are unhappy. Needless to say two days later I had acquired a perma-grin. I love my car now. It came into its own in those couple of days. In fact I remember feeling a marked difference at one point and going damn! Sweeeeet!!

[trueblue]

I will certainly give it some more time and more revs before I make any final statement. I hope you are right about having to wait a while, I am running into the the damn ABS/Break/DTC warning issue now. The car is less than 1 month old and it's going back to the dealer already, not a very happy camper. I figured with so many complaints from the 07 model they would have addressed this issue in the 08 model, but guess not.

[vase330]

Its a BMW. There is no surprise there. Not the most reliable cars around I will admit. I swore off these cars too after endless electronic problems for 5 months with my now trouble free car knock on wood. Checkout my posts on the Idrive sub forum. All is forgiven and I admit to waffling (For and Against) worse that John Kelly if you believe the media that is. All in all, the 335i is an awesome car. Good luck with your car, all will be well eventually and the car will make you smile hard everytime you take a drive down the road. Watch for the tickets though.

[Bubbles]

Originally Posted by vase330

Dude, you sound like me. I drove my car 3 hrs first day, then went back to the dealer to bitch at them about WTF, my car is worse now. Wait a while and drive around a while and bring it back in couple days and we will take back to stock if you are unhappy. Needless to say two days later I had acquired a perma-grin. I love my car now. It came into its own in those couple of days. In fact I remember feeling a marked difference at one point and going damn! Sweeeeet!!

Sounds exactly like you.

[tomtom]

i was thinking of getting the dinan reflash. so my dealer let me test drive an Dinan flashed 335xi, but i drive a MT. Apparently the MT was not available. i let my friend drive my car so we could do a couple of runs for comparison. As far as rolling from 3rd, the Dinan just keeps pulling away up to 140km...traffic. The only complaint is the Dinan power doesnt really come on until 3.5k and especially 4k. But does it ever come on! It's almost like a 2 stage surge. It really feels stock like until them. But I must say that this is the first time I've driven the AT.
So, then we decided to do one from a dead start. Let me qualify, my friend is BMW instructor and a race nut....so driver skill will go to him. From start we stayed side by side up to 80km or so. Even though I didn't really try to launch my car, I was surprise that we stayed side by side. Well, the MT is a little faster (more HP to wheels and weighs less). I will be test driving the MT hopefully soon.
I was also lucky enough to go for a test drive in the new e90 M3. Wow, does the engine sound nice. I am not sure if I will build up my 335i or trade in for M3.

[Spazdoc]

I am planning on this as well. Now, do you really lose power below 3.5K, or is all of the power gain above 3.5K? I mean, does it only seem like a relative drop in power?

I noticed on the Dinan E90/92 brochures from the dealer that a cat-delete exhaust and intake are in the works...

[Orb]

Originally Posted by trueblue

I will certainly give it some more time and more revs before I make any final statement. I hope you are right about having to wait a while, I am running into the the damn ABS/Break/DTC warning issue now. The car is less than 1 month old and it's going back to the dealer already, not a very happy camper. I figured with so many complaints from the 07 model they would have addressed this issue in the 08 model, but guess not.

I had the same problem with ABS/Brake/DTC problem on my car a few times before i got the tune. Only way to fix is it reload the software for DTC or a complete software reload. There will be fault errors in DTC and it effect the car until it is fixed. Although the error disappears after a few restart it doesn't fix it and the brake icon stays on. It is most annoying.

Orb

[double35]

Originally Posted by Spazdoc

I am planning on this as well. Now, do you really lose power below 3.5K, or is all of the power gain above 3.5K? I mean, does it only seem like a relative drop in power?

I noticed on the Dinan E90/92 brochures from the dealer that a cat-delete exhaust and intake are in the works...

All the dynos I've seen have shown gains through rpm's. It feels that way to me too.

[trueblue]

Originally Posted by double35

All the dynos I've seen have shown gains through rpm's. It feels that way to me too.

Can you post some of these dyno graphs, I can't seem to find any around.

[trueblue]

Originally Posted by Orb

I had the same problem with ABS/Brake/DTC problem on my car a few times before i got the tune. Only way to fix is it reload the software for DTC or a complete software reload. There will be fault errors in DTC and it effect the car until it is fixed. Although the error disappears after a few restart it doesn't fix it and the brake icon stays on. It is most annoying.

Orb

Are you kidding, that means I have to get the Dinan reloaded after the problem is fixed? But wouldn't that put the same problem back? Maybe it was the Dinan flash that cause it in the first place, the error showed up 2 days after the flash.

[Orb]

Originally Posted by trueblue

Are you kidding, that means I have to get the Dinan reloaded after the problem is fixed? But wouldn't that put the same problem back? Maybe it was the Dinan flash that cause it in the first place, the error showed up 2 days after the flash.

No, I had happen twice before the flash and then 2 months afterwards. They fixed it for good this time with a software upgrade and it didn't cost me to reload the dinan software at all....all warranty. This problem is becoming some what common.

Orb

[M4TW]

According to Dinan's website, the flash makes the following boost gains (flash) over stock:

RPM / Stock / Dinan / Diff

2500 / 7 / 8 / 1

3000 / 7.3 / 10 / 2.6

3500 / 8.3 / 12.5 / 4.2

4000 / 8.2 / 13 / 4.8

4500 / 8.8 / 13.2 / 4.4

5000 / 8.3 / 12.5 / 4.2

5500 / 8 / 11.5 / 3.5

6000 / 6.9 / 11.0 / 4.1

6500 / 5.9 / 9.5 / 3.6

7000 / 5.3 / 7.5 / 2.2

[vase330]

After a few weeks you will come to really a appreciate and love what Dinan did with their flash. You need time to learn to drive it, to become a natural with it, and you'll absolutely love it.

I hated it first day. I was against it and wanted my money back. Also, couldn't see the value of it. Now I'll not swap $2000 for this. I'll gladly spend the money if I had to do it all over again. Its worth it. If you drive in city, in traffic etc, you'll appreciate the no edgy feel down low. If you really want to see the difference, drive a car thats boosting with a piggyback full on all the time every time and see which one you prefer. Make sure the piggyback has as much power as the Dinan. I think it is not as easy to drive unless you are on the highway.

[fastrack]

Just curious, all of guys that got the flash, none of you got the Dinan cooler?