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      01-16-2012, 09:00 PM   #1
croman54321
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Question 2012 Bmw X3 35i N55 performance mapping question. JB?

Hi,
looking to buy a performance chip for my x3 from this site :

http://burgertuning.com/N55_Jb_BMW_P...nce_Tuner.html

has anybody used this mapping the N55 engine fo the x3? any good? can this be traced by the dealer?

Are there other tuners out there that offer ECU mapps on this vehicle?

Thanks.
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      01-16-2012, 10:30 PM   #2
fiddy yen
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Quote:
Originally Posted by croman54321 View Post
Hi,
looking to buy a performance chip for my x3 from this site :

http://burgertuning.com/N55_Jb_BMW_P...nce_Tuner.html

has anybody used this mapping the N55 engine fo the x3? any good? can this be traced by the dealer?

Are there other tuners out there that offer ECU mapps on this vehicle?

Thanks.
Have it ordered for my X3.

Did a lot of research on the tuning N55 with what's out on the market and what is potentially coming out in the future.

JB is the only product released for the F25 X3, but I would imagine that DINAN will come out with something shortly and BMW performance may too. Given the cost, increase of power, ease of install and removal and previous reviews on other N55 models, I felt that the JB tune would be a good tune. To many users, it apparently takes 45 mins to install (four sensors total) and 10 minutes after the first time to install and uninstall. Furthermore, it is completely undetectable by BMW once removed. I ordered mine with the CanScan tool just in case there were ever any hidden codes or if if Stage 2 gets released.
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      01-17-2012, 12:44 AM   #3
paul386
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It would really surprise me if BMW cannot detect this. I'd imagine the car logs peak boost which would be a tell tail sign. It seems to risky to me to void the warranty. Maybe when my warranty is up!
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      01-17-2012, 12:47 AM   #4
AtlM5
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I'm just kind of getting sick of people feeling the need to remove parts/ecu software like these for warranty issues so I'll post this...its about the Magnuson-Moss Warranty Act of 1975:

http://www.impalaclub.com/naisso/magmoss.htm



(edit) I'll make it simpler: It is ILLEGAL for the dealer to "void your warranty" because of aftermarket parts. Unless of course the part is responsible for a problem and they PROVE that.
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Last edited by AtlM5; 01-17-2012 at 12:53 AM.
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      01-17-2012, 12:54 AM   #5
AtlM5
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It would be great if the mods would sticky this^
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      01-17-2012, 12:55 AM   #6
paul386
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Quote:
Originally Posted by AtlM5 View Post
I'm just kind of getting sick of people feeling the need to remove parts/ecu software like these for warranty issues so I'll post this...its about the Magnuson-Moss Warranty Act of 1975:

http://www.impalaclub.com/naisso/magmoss.htm

I'm a pretty strong-minded individual but I'm not really interested in picking a fight with the dealer every time I go to get service. Best case its a headache each time... worst case its a legal battle that costs more than the service.

At the end of the day this is a cost - benefit analysis on the personal owner of the vehicle. I personally find it to be too risky.
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      01-17-2012, 01:02 AM   #7
AtlM5
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Umm I mean that is your personal opinion but this is a fairly common knowledge subject for dealers and most enthusiasts and if any dealer was trying to "swindle" you all it would take is one complaint to the FTC and they will deal with the legal stuff.
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      01-17-2012, 01:33 AM   #8
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Quote:
Originally Posted by AtlM5 View Post
Umm I mean that is your personal opinion but this is a fairly common knowledge subject for dealers and most enthusiasts and if any dealer was trying to "swindle" you all it would take is one complaint to the FTC and they will deal with the legal stuff.
I don't have as much faith as you do in the FTC apparently!
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      01-17-2012, 08:43 AM   #9
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Quote:
Originally Posted by Lotus7 View Post
I have no issues with wanting to modify a vehicle that you own in any way that you want, but if something is damaged it's pretty much your own responsibility to deal with it.
Exactly right.
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      01-17-2012, 01:52 PM   #10
AtlM5
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i realize that if you throw on a new turbo and get rediculous torque numbers and the tranny fails its obviously gonna be your responsibility to pay for it but what I was getting at was that your entire warranty doesnt just dissapear because of that just the specific problem that you caused and with something as simple as a stage 1 JB tune there arent too many issues. And as far as the transmission goes, BMW realeses figures as to how much torque the tranny is rated at and its usually significantly higher than how much power the car comes with stock.
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      01-18-2012, 09:50 AM   #11
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Dinan should have something soon...

http://www.1addicts.com/forums/showthread.php?t=636503

Good info by Lotus - according to those figures the Dinan tune would have to seriously be detuned or it would greatly exceed the max recommended torque for the tranny.
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      01-18-2012, 06:04 PM   #12
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Quote:
Originally Posted by Lotus7 View Post
Regarding the transmission, the US spec. X3 35i uses a ZF GA8HP45Z transmission rated for 331.9 lb./ft. maximum torque. That means a 11% increase in engine torque will exceed its maximum rating. That's why the European X3 35D uses a different transmission, the ZF GA8HP70Z (rated at 516.3 lb/ft of torque) which can tolerate the 464 lbs./ft output of the 35D. The transfer cases and forward drive-shaft clutches are also upgraded for the additional torque (ratings not published). That doesn't mean it will instantly explode if you exceed 331 lbs./ft., but it certainly means you will be driving it harder than it was ever designed to be driven resulting in probable shortened life and more wear.

Let us know how it works, but don't expect any sympathy here (or from BMW) if something breaks.
Exactly.

Some cars can handle the additional power, some not. A good, modern example is the Mitsubishi Evo X MR with the dual clutch transmission. The "max" torque is easy to beat with simple bolt-ons and some tuning.

Now, if you only use 200 lbs/ft of torque everyday, there would be no problem, but usually, when you mod your car to 400+ lbs/ft, you use all of them daily

The older Evo IX (or the manual transmission one) transmission was able to handle more torque...

There is a reason why BMW delivers the 35i this way :
Beefed up tranny ? More $$$.
Tuning the A/F ratios on the ECU, or raising the boost for more power ? You reduce engine life, possibly less emission compliance.
Then do the same, but put forget internals from the factory so the engine doesn't blow up ? More $$$.
Less restrictive exhaust ? More cabin noise for 95% of buyers.
Bigger brakes ? More $$$.

Modify your car, but understand what you are doing to the whole balance. And then assume if it breaks
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      01-19-2012, 01:42 AM   #13
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Quote:
Originally Posted by jsublime View Post
Dinan should have something soon...

http://www.1addicts.com/forums/showthread.php?t=636503

Good info by Lotus - according to those figures the Dinan tune would have to seriously be detuned or it would greatly exceed the max recommended torque for the tranny.
Dinan has announced their performance upgrade for the 35i (N55) in the past couple days. It looks like this will be available for the X3 soon. The big advantage is the warranty is still valid, it is dealer installed so we are covered. Dinan is the tune that I am considering once it is available.

The other tune that I have read positive results about is the Proceed tune kit. It has shown awesome results, however, you are looking at warranty issues again.

Lotus, again thanks for the technical explanation.
--------------------------------------------------------------------
Here is the information on Dinan
--------------------------------------------------------------------
DINAN N55 Performance Software Now Available – 355 horsepower
By Horatiu Boeriu. Read Bio
January 17th, 2012

Dinan releases their Performance Software for the N55 twin-scroll turbocharged BMW engine. Here are the details:

“After hundreds of hours of hard work by the Dinan engineering team the N55 Performance Software is now available for immediate download via OBDII at all Dinan Dealers around the world.

Dinan, the most trusted name in the BMW aftermarket is now offering the most anticipated Performance Software in years and as always is covered by the most comprehensive and longest warranty, a BMW new car factory matching warranty coverage up to 4 years / 50,000 miles.

It is well known that the N55 engine software has been a tough nut to crack. Our 4 full time software engineers were able to make a blistering fast software tune that will push your guts into your spine, smoke the tires and put a big smile on your face. Using years of experience tuning BMWs for the street as well as winning back-to-back Grand-AM DP Championships and the 2011 24 Hours of Daytona the Dinan team is the best in the business.

Dinan Performance Software is so much more than just tuning up the turbo boost. It is a fully re-tuned engine management program that maximizes power while keeping all the BMW factory safeguards in place. Protecting your BMW while giving the most performance is the definition of “Performance Without Sacrifice”. Drivetrain and engine components are analyzed for strength then the program is tested on the dyno and in the real world for durability and drivability. Dinan matches the new car warranty coverage for up to 4 years or 50,000 miles, including the possibility of consequential damages. The top speed governor is removed (X5 & X6 top speed, 155 mph), enabling the BMW to achieve its full potential.

Benefits:
+ Substantial Power Increase

+ Only Pure OBDII Software Upgrade On The Market
+ Better Drivability than “Piggyback” boxes
+ Hassle Free Operation
+ Huge Torque Gains Drastically Improves Acceleration
+ No Shipping! Available at ALL +130 Dinan Dealers Around the World
+ No Hesitation Between Shifts
+ Downloads through the BMW diagnostic port, the same way BMW loads software
+ Top Speed Governor Removed, you decided how fast you want to go (X5 & X6 top speed, 155 mph)
+ Factory Matching Warranty Coverage (4year/50,000 mi), no sleepless nights or being scared to go to the BMW dealer
+ Full Map Rescaling, for drivability from idle to wide open throttle and everywhere in between
+ Properly Returned Fuel Mixtures, to save you gas and protect your engine
+ Water Pump Speed Increased, to improve cooling
+ Retain All BMW Factory Engine Damage Safeguards
+ Free Dinan Software Updates for the Life of the Car, if BMW makes an update so do we.

Stage 2 Performance Software
$1999
355 Horsepower @ 5300 RPM
401 lb-ft of Torque @ 3500 RPM
Required Parts: None

Currently Available for:
2011, 2012 335i & 335i xDrive E90, E92, E93
2011, 2012 135i E82, E88
2012 X5 xDrive 35i E70
2011, 2012 X6 xDrive 35i E71

Available Soon:
535i & 535i xDrive F10
X3 xDrive 35i F25

[Source: Dinan ]

Last edited by turbotoy4me; 01-19-2012 at 02:50 AM. Reason: Updated message
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