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#1
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Ever wanted to add some extra hp's to your X5 diesel?
Last edited by AlexK; 03-06-2011 at 05:23 PM. |
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#2
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Looks like fun.
I am still concerned with BMW dumping the DME and finding sustained overboost data in the logs. Yes you can delete 'codes', but I suspect you cannot wipe out the datalogs that only the factory can access. Nobody has independently confirmed the inability of BMW to detect- and BMS surely is not standing behind the product with "If BMW detects this tune and denies a claim, we will cover it". (Arguably they are ~10-15% of the price Dinan charges!) For those with their eyes open, I look forward to hearing the results. A |
#3
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If it's an ECU upgrade or plug & play, they rarely pick it up, if ever. The only cars they watch with the eagle eyes are the(330d/530d,135i/335i's), thats in South Africa & it's also due to so many warranty claims on turbos etc...
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1988- M5 E28 Full South African Spec Antracite 2000- 740i E38 Fully Loaded Sorrent Blue 2004- 730d E65 Fully Loaded Titan Silver 2008- 750i E65 Fully Loaded Black 2005- 530d E60 Fully Loaded Deep Green 2009- 330d E90 Sport Pack Fully Loaded T/Silver 2009- X5 3.5d E70 Sport Pack Fully Loaded Titan Silver |
#4
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If this statement has any validity, I would be surprised..."rarely" implies you have some kind of data from which to support your statement... is this in South Africa, or Johannesburg, or worldwide, or based on what you hear from a few forums? There is an SIB specific to the 335diesel, same will apply to the X5 35d. Rest assured that if there is major engine issues- even if totally unrelated to any possible mod- the service engineer at BMW will look at the DME logs. This failure: X5 xDrive35d catastrophic engine failure - bimmerfest - BMW Forums This post: bimmerfest - BMW Forums - View Single Post - X5 xDrive35d catastrophic engine failure You can be sure that had there been one digit of programming that looked askew, BWM would have blamed that connecting rod bolt on the mod! A |
#5
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Im talking about South Africa.
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1988- M5 E28 Full South African Spec Antracite 2000- 740i E38 Fully Loaded Sorrent Blue 2004- 730d E65 Fully Loaded Titan Silver 2008- 750i E65 Fully Loaded Black 2005- 530d E60 Fully Loaded Deep Green 2009- 330d E90 Sport Pack Fully Loaded T/Silver 2009- X5 3.5d E70 Sport Pack Fully Loaded Titan Silver |
#6
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I don't think it is worth getting into the "who's tune is better" argument, suffice it to say that if you want to push the boost beyond both the engine design limit, and the safety setting on the overboost module, then breaking a piston and blowing an engine isn't too surprising. We could say that Terry was just unlucky that it was his customer that got so much attention. On the other hand, Shiv points out that Terry's tunes don't include ignition timing control, or the ability to read A/F ratio, or the ability to monitor timing/knock (other than using the standard knock sensor), and that Terry supplied a custom tune to an owner running 22 psi, 93 octane, meth injection, and non-stock spark plugs with a single electrode. Perhaps a blown engine isn't a surprise then. The users of various tunes have also had issues with broken half shafts, higher incidences of HPFP failures, injector failures, and so on. That isn't at all surprising to me given the amazing power they are getting out of the N54, and the resultant heat that power creates in the engine. Full (and quite entertaining) details on the blown engine with the Juice Box here: http://www.e90post.com/forums/showthread.php?t=399289 Would I put a chip on my 535? Yes. It would not push the envelope so much, though. It would be a chip that was fully tested prior to me buying it. It would also be a chip that included the safeties that tuners like Terry don't seem to consider necessary. All that means that it would cost more than the very low cost tunes that Terry is selling.
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2007 X3 3.0si, 6 MT, Premium, White Retired: 2008 535i, 6 MT, M Sport, Premium, Space Grey 2003 X5 3.0 Steptronic, Premium, Titanium Silver 2002 325xi 5 MT, Steel Grey 2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue |
#7
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12 X5 M - 06 X5 4.8iS - 03 X5 4.4i - 03 M5 - 02 X5 4.6is - 99 M3 Dinan S3 - 98 M3 - 92 850i-6 - 92 850i - 91 325ix - 89 M3 2.5 - and a few parts cars |
#8
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The linked thread makes reference to the 35i engine costing $20k from the BMW parts department. I am not sure if that is true or not, but even if you just need a block, head, pistons, turbos, etc, it won't be cheap. It isn't just safety features, but rather how complete the tune, how many variables they are managing, vs just overboosting.
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2007 X3 3.0si, 6 MT, Premium, White Retired: 2008 535i, 6 MT, M Sport, Premium, Space Grey 2003 X5 3.0 Steptronic, Premium, Titanium Silver 2002 325xi 5 MT, Steel Grey 2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue |
#9
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Agree +2
So many people buy a "tune" like it is a wheel or air filter.... it is so much more complicated than that. Ideally you are buying wisdom and knowledge and skill - for a tune it is imperative that you know and trust the tuner, and that they have demonstrated competence in the field. As JCL notes, there is so much more than fooling the ECU/DME/DDE into overboosting. It can be done safely, but someone with that skill will not be the low bidder... A |
#10
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Broken half shafts are from people drag racing their cars. Drag radials plus sticky track can bust some half shafts. Quote:
Last edited by M3_WC; 06-22-2010 at 02:30 AM. |
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