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  #1  
Old 02-04-2011, 05:25 AM
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NewB thinking of getting an X5 35d

Hi all!

I'm a newB on this forum, but I've been "annoying audiences" on 5series.net and other BMW forums for some time now, as V_therussian. I currently have a 2006 530Xi, in the process of modding it.

I am plotting to sell my 5er sometime in the "almost-foreseeable future", so I got to thinking what to replace it with. Mostly, I just LOVE to talk about cars - and just about everything about cars, actually. Particularly, BMW's and Porsches. But I digress. Since X5 35d is "chippable" to 552 lb-ft ( anyone on here do this yet: BMW X5 E70 xDrive 35d 269 PS 576 Nm | Diesel Tuning with CHIP Express™ ), it seems like a pretty awesome daily driver to consider. If I can swing it, I'd just use the diesel X5 for daily driving, and buy something like a Z4 or a Boxster for my weekends. Maybe a bike for weekends? Time will tell.

My biggest concern - with regards to getting an X5 35d and chipping it - is what I've read on some forums - that BMW now installs firmware on all turbo cars, that detects tunes and flashes a "red flag" whenever you bring it in to the dealer. Dealer reports to BMW, BMW cancels warranty on items related to the tune. You're screwed. Is this something that has been proven yet? AFAIK from 5series forums, this is not necessarily true - not yet, anyway. But some people on e90post seem to think it is as true as Obama is an American Citizen... too harsh for a newB? Ask Calton and Kerry about me

Also, I know that in Europe, they have an X6 35d - which would be totally awesome, since I don't really need the head room of X5 and would much rather have the sportier-looking SAV. Anyone know whether there are plans to bring it to the States?


TIA and looking forward to meeting some great peeps on here, as well as, of course, learning about the cars and hopefully helping some people out!

PS attaching my 5er's pic. This is my current (winter) setup: 530Xi, sport, premium, cold weather, navi, pdc. mods: alpina front, oem m-tech sideskirts, racemesh bumper inserts, blacked out kidneys, tints, OEM M5 trunk finisher, TMS spacers in the back (12.5mm), OEM ski and bicycle carriers with the universal roof rails, and LOADS of small things, like AE bulbs, M shift knob, Hoen Endurance fogs, etc etc. My summer setup will be 19x8.5" BBS CK's with Nitto NT05's, H&R sport springs and Bilstein B8 dampers. Possibly a chip and an RPI exhaust - will depend on the speed of X5 35d's depreciation
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Last edited by v.ru; 02-04-2011 at 05:36 AM.
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  #2  
Old 02-04-2011, 10:35 AM
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Welcome aboard! I'm a noob as well (2 months with the x5d)...all i can say is it's a great vehicle and we're very happy with it. It's a diesel so getting extra power is easy, but as for any car now days, the price of getting caught is high. Havent seen anything on a x6d for the US....nor any news of the x40d being US bound either.
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Old 02-04-2011, 11:39 AM
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I asked my dealer, and they said as of now...there are NO plans to bring the X5 4.0d to the USA. It's not that BMWNA does now want to, but the amount of money, time, research, red tape, testing, etc., etc that went into getting the 35d approved for all 50 states (emission) related, it would be too expensive and take too long for the already out 4.0d. The dealer said if and when they could get the 4.0d 50 state approved, it would be an old engine
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Old 02-04-2011, 11:53 AM
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OP, all the "red flags" can be cleared with BT cable/software. Get the tune, get the BT cable and modify it all you want.
You might wanna check with Terry from Burgertuning. He has X5D, and already made a JB chip for it.
Zhelayu udachi.
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Old 02-04-2011, 01:01 PM
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Quote:
Originally Posted by v.ru View Post
My biggest concern - with regards to getting an X5 35d and chipping it - is what I've read on some forums - that BMW now installs firmware on all turbo cars, that detects tunes and flashes a "red flag" whenever you bring it in to the dealer. Dealer reports to BMW, BMW cancels warranty on items related to the tune. You're screwed. Is this something that has been proven yet? AFAIK from 5series forums, this is not necessarily true - not yet, anyway. But some people on e90post seem to think it is as true as Obama is an American Citizen... too harsh for a newB? Ask Calton and Kerry about me
Not precisely true.

There are 'flags' that will show up if the software is changed. These can be cleared.

There are, however, operating parameters that are captured by the DME that CANNOT be cleared. If they examine the DME and find operating conditions outside the stock ranges they can infer the car had been modded and reset.

Truth.

You blow up an engine on a turbo car, the DME is getting sent to BMWNA for analysis.

If a dealer discovers this (and there are rumors of cash bonuses for techs that discover this in other models.) BMW will not 'cancel' the warranty. You will always have a warranty. BMW **will** have an indication the DME had been altered...they may or may not cover a claim, depending on if they can say the power change caused the failure. Your window regulator breaks, it will still be covered.

Quote:
Originally Posted by bimmerlex View Post
OP, all the "red flags" can be cleared with BT cable/software. Get the tune, get the BT cable and modify it all you want.
You might wanna check with Terry from Burgertuning. He has X5D, and already made a JB chip for it.
Zhelayu udachi.
This is partially true. You can clear these flags. You CANNOT clear the operating memory. Terry knows it, and really never answers the question "Can BMWNA detect the mod if the DME is sent to them?"

At a dealer level you might get away with it.

So in the end it is all 'what is your risk tolerance?'
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Old 02-04-2011, 01:06 PM
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What Ard said is 100% correct. If you don't believe it, go on e90post and read all the stories of people getting their coverage voided by BMWNA. Yes, the codes can be cleared. The one thing you have going for you is that you drive an X5. They are particularly suspicious of E90 sedans. Also, if you keep within a safe range on the tune, there is a 98% chance you will be fine. It's a matter of whether or not you want to assume a certain amount of risk.
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Old 02-04-2011, 02:17 PM
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Quote:
Originally Posted by Kloogy View Post
The one thing you have going for you is that you drive an X5. They are particularly suspicious of E90 sedans.
Roll in with limo tint, side markers modded, other stuff, and you are 28 years old and cannot string together a sentence without slang, and they will look.

grey hair, button down, etc, and you have a much lower chance.

And of course it varies by dealer and Service Advisor/Tech....

However, blow up a motor and the DME is taking an airplane ride.

Here (old news, there are other hits if you google this topic):

Quote:
SUBJECT
N54 � Aftermarket "Engine Performance Tuning" Kits
MODEL
E60, E61 with N54 engine
E90, E92, E93 with N54 engine
E82, E88 with N54 engine
E71 with N54 engine
SITUATION
Various aftermarket "N54 � Engine Performance Tuning" kits are being aggressively advertised to
BMW owners.
Depending on the manufacturer, these modifications may consist of a "turbo-tuner control
module" (piggyback box) plugged directly into the TMAP sensor / DME connector, waste-gates vacuum
plumbing alterations, or the DME "performance" software programming.
In general, each aftermarket tuner claims a significant increase in engine power and torque of up to 40%
over the stock N54 engine specifications (which are, respectively, 300 hp and 400 Nm).
These alleged performance gains are achieved by an increase of the turbochargers boost in a wide range
of engine speeds, in some cases exceeding the maximum designed turbo pressure of 8.8 psi by 50%.
INFORMATION
None of the aftermarket "N54 Engine Performance Tuning" kits has been evaluated, tested,
approved or endorsed by the BMW Development or Service Departments.
Any alterations to the originally designed and installed turbochargers control system or to the DME
software may increase a vehicle's emission levels and may compromise its OBD II compliance.
Moreover, to the best of BMW NA knowledge, none of the aftermarket "N54 Performance" kits have
been certified (homologated) by the appropriate federal and state authorities (EPA/CARB) to meet
street-legal emission requirements. BMW vehicles equipped with such "performance enhancement
devices" without these certifications are not in compliance with EPA/CARB emission anti-tampering
laws.
Excessive turbocharger boost increases engine temperatures resulting in pressures and forces which may
damage engine internal components and or may cause premature turbochargers failure.
Due to increased engine output and the altered emissions characteristics, severe damage may be inflicted
on emission control components, such as oxygen sensors and catalytic converters.
Excessive engine loads, above the designed levels, may also compromise long term reliability and
SI B 12 10 08
Engine Electrical Systems
April 2008
Technical Service
Page 1 of 2
http://www.bmwtechinfo.com/tiscode/cgi-bin...ns/htm_store/... 5/1/2008
longevity of other drivetrain components, such as: clutch transmission, transfer case, differentials, etc.
WARRANTY INFORMATION
Modification of the vehicle or installation of any non-approved performance accessories or components
attached to the vehicle which alters the original engineering and/or operating specifications or which
results in damage to the other original components voids the warranty coverage on the affected original
Drivetrain and Emission Control components.
In general terms, the BMW warranty on Drivetrain and Emission Control components is void due to a
modification where the modification, alteration or installation of a non-approved aftermarket part was
responsible for the failure.
Please make sure to inform BMW customers considering purchase of an aftermarket "N54 Engine
Performance" kit of the above legal and technical implications.
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Old 02-04-2011, 07:55 PM
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Welcome V to xoutpost. I can't comment on the X5 35d, I've got the 50i. And love it.
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Old 02-04-2011, 08:21 PM
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Good point Ard. I guess they will never look at my X5. I speak properly, I'm almost 40 and I dress in Polo shirts :-)
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Old 02-04-2011, 09:50 PM
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this chip express looks interesting. Very much like JBD. Anyone know the differences?
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