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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Engine, Transmission, Exhaust, Drivetrain, ECU Software Modifications AC Schnitzer Tune for 550
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      07-27-2011, 04:39 PM   #1
E92LNGCGY
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AC Schnitzer Tune for 550

Does anyone have the AC tune for 550? Can you share your experience? This seems like a better option (performance wise) than the Dinan.

Is it a reflash like Dinan? I've heard power increase to 540hp and torque to 750NM (553 ft-lb) is this true?
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      07-29-2011, 05:13 AM   #2
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I have ACS suspension and exhaust ... waiting patiently for a ECU product for my 550 from them.
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2011 550i M-sport:Mods: Hartge ECU (490hp/497ps@5500rp 531ft-lb/720Nm@2000rpm), ACSchnitzer suspension, ACSchnitzer sport exhaust, Msport Spoiler, Shadowline Grille, Color matched front reflectors, dvdinmotion. MyBavarianBeast: http://f10.5post.com/forums/showthread.php?t=530637
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      07-29-2011, 04:09 PM   #3
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Please provide a review when you install the ECU. Looking forward to it. Thanks.

What kind of numbers are you expecting?
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      07-29-2011, 04:34 PM   #4
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540Hp seems very high with just an ECU tune.

I have the Hartge ECU + Supersprint exhaust = 497Hp/720Nm ( not dyno verified ).
This gives performance 0-200km/h < 15s.
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      07-30-2011, 01:28 AM   #5
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Those numbers seems inline with Dinan's numbers. What is your opinion on the tune?
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      07-30-2011, 01:36 AM   #6
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Delvek, Hi, I am new to this forum. I am thinking about going for an F11 with m package but understand that you have used ACS to lower it a bit more. Since my budget is stretched already, going for Adaptive Drive will not be an option. Do you think Adaptive Drive is a must for keeping the car "comfortable" for the wife and kids? Btw, I am going for the 19" wheels. Thanks!
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      07-30-2011, 02:37 AM   #7
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Quote:
Originally Posted by E92LNGCGY View Post
Those numbers seems inline with Dinan's numbers. What is your opinion on the tune?
Im very happy with the tune. Big torque and smooth power delivery.
Its just as smooth as before, but much more powerful. You feel a big difference at gear shifts. It never looses forward thrust.

I got almost 3s quicker time to 200 km/h compared to standard ECU.......
Cant notice any change in fuel consumption.
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      07-31-2011, 04:54 AM   #8
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Quote:
Originally Posted by PieterF11 View Post
Delvek, Hi, I am new to this forum. I am thinking about going for an F11 with m package but understand that you have used ACS to lower it a bit more. Since my budget is stretched already, going for Adaptive Drive will not be an option. Do you think Adaptive Drive is a must for keeping the car "comfortable" for the wife and kids? Btw, I am going for the 19" wheels. Thanks!
I would consider the AD a must have. I dont use comfort that often, a couple of weeks ago I was driving back from Versailles, France (about 4 hours) in a caravan of cars so I was just plodding along, I put it in comfort mode and still despised it. Without the ACS suspension the second I got in the car I switched it to sport (suspension only) mode. With the ACS suspension it felt like it was in sport (suspension only) mode even though it was in normal. I still switch it to sport (suspension only) mode when I get in the car and it feels very grounded sometimes too grounded with the feedback, but I like that.

I dont know what options your considering but AD and sport transmission would be must haves over most other items if your buying a 550.
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2011 550i M-sport:Mods: Hartge ECU (490hp/497ps@5500rp 531ft-lb/720Nm@2000rpm), ACSchnitzer suspension, ACSchnitzer sport exhaust, Msport Spoiler, Shadowline Grille, Color matched front reflectors, dvdinmotion. MyBavarianBeast: http://f10.5post.com/forums/showthread.php?t=530637
Future: 2014 F82 M4
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