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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications Dinan Stage 4 (Anything & Everything Related)
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      10-11-2012, 04:49 PM   #23
middly
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Quote:
Originally Posted by tws_andrew View Post
I am ready to pull the trigger on stage 3. Built a custom midpipe and exhaust but really with no verified times, dynos and my previous experience with Dinan being so bad this is tough. Does anyone even have any indication of speed or performance increase based on racing other cars before and after. I know it is not scientific but I need something. Lots of seat of the pants info but the only drag info was Middly and he had terrible times but that was with his cutouts and 21" wheels. Anyone...
I did have a 12.4 at 110mph with stage 2 and 20s....I haven't seen another F10 do any better than 12.4-12.7. like lacster said to me, you wont get any better than a .1 - .2s difference even with an added stage and he was exactly right.

My feeling is the car would do a 12.2-12.5 even with Stage 4. thats of course with xdrive.
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      10-11-2012, 08:19 PM   #24
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damn! good shit, been 2 a dyno yet?


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Stage 6 is a full swap of your car for a new M5
instant classic
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      10-12-2012, 06:59 PM   #25
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Originally Posted by f10 550i View Post
guys with the dinan intercoolers, do you hear any weird sound when the turbo's starts boosting and you suddenly take off your foot from the gas pedal ? (mostly heard on second and third gear), i'm not sure if this thing is normal or if i have a boost leak
Blow off valves?
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      10-23-2012, 08:50 AM   #26
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Quote:
Originally Posted by P-Town550i
Quote:
Originally Posted by f10 550i View Post
guys with the dinan intercoolers, do you hear any weird sound when the turbo's starts boosting and you suddenly take off your foot from the gas pedal ? (mostly heard on second and third gear), i'm not sure if this thing is normal or if i have a boost leak
Blow off valves?
Yah..more like a waste gate sound..
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      12-04-2012, 11:16 AM   #27
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Do u get a louder waste gate sound with stage 4? I can't hear it at all now with stage 2
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      12-06-2012, 12:40 PM   #28
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All,

I am not an F10 550 owner but I did have the opportunity to drive the Dinan Rep in Northeast 550 yesterday, which was a stage 3 in engine and suspension. From what he stated on his vehicle the stage 4 and 5 is the intercooler and CAI. The software to go with these higher stages will not add more power, but will better calibrate the vehicle to the IC and CAI which will provide increased gains.

I was really surprised as to how linear and fast this vehicle was. Did not feel any turbo lag at all and was a very fast car considering its mass.

I am a little shocked that Dinan does not offer any HFC DP for this car. His 550 did have the axle back system which had a nice tone, but with DP I think this vehicle could be vicious sounding and add more performance.

I was very impressed with the car's performance. I guess the CAI is not out to market yet, but this rep is getting a new 550 and will have stage 4+ components.

For those that are debating the performance upgrades on this particular car, from the time I spent in the car it is well worth it. A sleeper car for sure!
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      12-23-2012, 03:45 PM   #29
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Anyone besides hunter have the stage 4 on their car?
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      12-23-2012, 04:26 PM   #30
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Yes I know of another person. Let me get his forum name for you. Stage 4 is def smoother and feels better all around than 3 and 3 is def an inprovement over 2. 1 shouldn't exist.

Here is the Name of the other guy I know of with Stage 4 "joe@ptech" he has a build thread also you can look up.
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      01-03-2013, 02:47 PM   #31
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Intercoolers being installed right now and stage 4 being programed. Will report back on how I like it. Hopefully getting a dyno tomorrow if my springs come in time to finish the car...

Thank you Hunter for a great and easy transaction. You are the man!
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      01-04-2013, 03:12 AM   #32
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Awesome man! Keep us posted.
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      01-08-2013, 02:55 PM   #33
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I have them installed on my 550i and don't experiece what you are describing. There is some very minor turbo noise at initial take off, but nothing like what you described.
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      01-10-2013, 03:41 PM   #34
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I also have stage 4 and there is no turbo sound difference that I can hear.

I'd say the difference in power is comparable to driving your car on a crisp cool day. It feels like it is breathing better. At this point I probably have enough power to keep me happy. When stage 5 comes out, I might do it just cause... Why not...
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      02-07-2013, 12:02 AM   #35
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Quote:
Originally Posted by Sluggoslinger View Post
I also have stage 4 and there is no turbo sound difference that I can hear.

I'd say the difference in power is comparable to driving your car on a crisp cool day. It feels like it is breathing better. At this point I probably have enough power to keep me happy. When stage 5 comes out, I might do it just cause... Why not...
I just ordered the intercoolers cant wait to get them, I spoke with Scott over at Dinan and he tells me they should have downpipes within the next 90 days or so.. That will be my next move, the guys at Active Autowerke here in miami have a set of downpipes that have shown a huge increase of power on the dyno.

I will take the car to the dragstrip as soon as its all installed and report back on times..
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      02-07-2013, 12:39 AM   #36
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I spoke with one of the Dinan reps and he said they ordered the material to produce the intakes last week and they will be announced "very shortly"

Looking forward to it
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      02-07-2013, 12:18 PM   #37
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heard from a BMW rep that Dinan is worth crap.... they take the bmw performance exhaust cut it open and take the baffles out and then seal it back up. over priced
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      02-08-2013, 05:11 PM   #38
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Quote:
Originally Posted by GIRTHY82
heard from a BMW rep that Dinan is worth crap.... they take the bmw performance exhaust cut it open and take the baffles out and then seal it back up. over priced
I heard the Audi guy say beemers were crap and the Lamborghini guy said Ferrari was crap...

Dinan is $$$ but I've got a warranty on my 70k car and it hauls ass without having to worry every time I go the dealer.
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      02-13-2013, 11:21 PM   #39
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How much is all that stuff? Why not buy a M5 and get a better car.
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      02-13-2013, 11:32 PM   #40
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Quote:
Originally Posted by joe@ptech View Post
We just did the same upgrade to our shop 550i. I know the Dinan parts are very expensive, but they work well and bring this car more in line with the F10 M5. But I agree and am surprised no other tuners are getting into this car. The Dinan upgrades have transformed the car and as stated, remains incredibly smooth.

I heard a rumor that Dinan will be offering turbo upgrades along with Intake and oil cooler upgrades.
I read somewhere that AMS was showing interest, they do good work on GTR's, I would like to see what they could do with the whole engine line.
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      02-14-2013, 07:27 PM   #41
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Quote:
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How much is all that stuff? Why not buy a M5 and get a better car.
Some people like to mod, and not drive around a OEM stock car. To each their own.
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      02-14-2013, 08:23 PM   #42
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Quote:
Originally Posted by P-Town550i View Post
Some people like to mod, and not drive around a OEM stock car. To each their own.
You’re not modding the looks or doing anything different, you are paying for a canned tune and some bolt ons to make your car more like an OEM stock M5. But if you got a real good deal on the 550i and wanted to play with what you can do with it, I understand. I was just curious.
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      02-15-2013, 08:13 PM   #43
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Will they do package pricing? If I were to buy the tune, intercoolers, exhaust, etc... at one time, would they (Dinan) give a break in pricing?
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      02-15-2013, 08:25 PM   #44
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You should be able to get 15% off from dealer and negotiate the install hours a bit.
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