07-30-2012, 09:39 PM | #23 |
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Don't you just put it back to original?
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MY22 X5 M-Sport 45e White, 22"rims, Red Calipers, Ceramic Pads. Better off saying what it does not have and that's a B&O Audio System, otherwise all option boxes are ticked. |
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07-30-2012, 10:03 PM | #24 |
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07-30-2012, 10:07 PM | #25 |
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As far as I knew they gave you a copy of the original firmware file, or they will remap it back to original as part of the service, they do here anyway?
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07-31-2012, 12:56 AM | #26 |
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I sold both of my 3 series remaped, one by Mega-Speed other by GIAC still with some warranty left in both. I was fair and told the truth to the buyers. After taking a test drive both agreed on leaving it remaped. You could always revert back to stock at the tuner shop or at the dealer. I think the full soft update runs around $150 at my local BMW.
Being remaped and under warranty is no problem either. They will never know it's remapped unless you have a serious engine problem that requires true live data monitoring of your car. However it is a risk you take when you run a tune except for the Dinan. |
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07-31-2012, 03:49 PM | #27 | |
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07-31-2012, 04:52 PM | #28 |
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I usually buy out my cars after the lease end and sell them right after privately. Depending on if buyer wants it or not.
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08-03-2012, 09:43 PM | #29 |
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Just picked up the car from the dealer. Oil change, brake job, alignment, some other little things and multiple test drives. Tech never noticed the car was remaped, no codes either. I did though put my old set of 20" 214 wheels in the trunk to not let the car rip so fast during the test drives.
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08-04-2012, 02:19 PM | #31 |
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Wow man that's gonna be tough one to compare to. Maybe through first two gears then that's it... I've test driven the X5M several times and it's brutal even more when remaped. I don't think any D would stand a chance.
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08-07-2012, 08:53 AM | #32 |
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I've been monitoring my consumption after the remap was done. Now through my 3rd. tank I can spot a slight increase in MPG US around 0.5-1 combined per tank.
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08-07-2012, 10:22 AM | #33 |
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OK, I'm a complete nube when it comes to this remapping thing so please excuse the naive question/s...
So, if it is so "easy" to squeeze out more HP and torque while increasing mpg by simply changing the software controlling the engine, why doesn't BMW do it? Why do they program their engines to run at less than maximum achievable power and efficiency; is it to keep the engines running within a "safe" band of performance? If that's the case, does remapping mean that one is running the engine outside that safe performance band and therefore running the risk of damaging the engine? Thanks for any answer/explanation. |
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08-07-2012, 12:40 PM | #34 |
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There is this marketing thing... If BMW would squeeze every bit of performance out of this diesel M57 engine at the selling price it sold, there would be no place for other gas or diesel motors cutentely available in the lineup. One would never justify paing more for a V8 gas if I6 diesel would yield same output while returning much better MPG.
The remap does not hit the seealing of maximum engine capability, it runs within safe margins. All BMW turbocharged engines are limited by quite a bit from the factory, leaving a lot on the table for tuners. |
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08-07-2012, 03:14 PM | #36 | |
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08-07-2012, 03:52 PM | #37 |
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Well then the argument that BMW does not squeeze more power from the M57 (or any other engine of theirs for that matter) so as not to disadvantage other BMW engines doesn't stand, since all turbocharged BMW engines (now the majority of their engines, I think) could be made to produce more power. I still don't understand why BMW would leave that to tuners when it can do it and effectively disadvantage other manufacturers' engine offerings (rather than other BMW engines). Unless other manufacturers can do the same and for some reason (similar or different than BMW's) have also chosen not too...
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08-07-2012, 11:01 PM | #38 | |
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01-05-2014, 05:04 PM | #39 | |
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01-05-2014, 10:23 PM | #40 | |
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X5M, Eisenmann exhaust, 22" HRE wheels, catless down pipes, Stage II tune/X5 Diesel, Lowered & Tuned
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01-06-2014, 12:42 PM | #41 |
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335ds have bigger problem with DPF and EGR than X5 35ds. Low pressure vs. high pressure setup. 335s have high pressure setup that reuses dirty gasses. 35d engines have low pressure setup; reuses cleaner gasses after OX catalyst and DPF.
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