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#1
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A question for the X5 3.0D series
I know the benefits of bypassing the EGR and the legalities involved, but it is coming down to a situation of economy versus what comes out of the back. With always hot glow rods, fuel is not left in the chamber to be burnt out from an idle in a great cloud of toxic smoke. My EGR is FUBAR and using a bypass is much more cheaper than a new one. The current situation is that is is mostly blocked, but can open and then stay stuck open for long periods as well, draining HP and economy. The workshop said the exhaust gas reading variation was marginal with it closed to being open and felt that the other option was a better solution, but legally could not advise nor fit it. They did show me what was needed and it is something I can do. The next part of the question is, are all 3.0d BMW engines the same? The part I am considering will fit in and the original EGR will just attach to it, but receive no gasses. The only problem is that it does not say, fits E53 X5, just the cars. My X5 is a 08/2006 build, so it is right at the end of the E53 series. It always causes issues when I have to order parts using V.I.N. as the preferred way of some retailers. They try to sell me E70 components. LoL. I guess it has the last of the single turbo engines and the higher HP rated. Thx, Jeff
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I own a BMW E53...Always questions, unfortunately I can rarely supply solutions. I will try to give results to my problems if they are fixed and how it was done. Last edited by Spartan; 09-10-2022 at 07:30 PM. Reason: forgot my engine specs |
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#2
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Hey Jeff,
No, not all BMW 3.0d engine are the same... The early models of the engine (known as the M57D30) is bit different from yours and mine, which is the "technical update" version - known as the M57D30TÜ. See this for more detail: - https://en.wikipedia.org/wiki/BMW_M57 As far as the EGR is concerned, you don't likely have the water-cooled version, so you can simply replace the EGR pipe with a blanking plate (on the exhaust manifold) and an inlet pipe connection. You'll also need to plug the vacuum line that went to the EGR. The inlet pipe connection is the part you need to get right - early models use a hose clamp (simple) attachment but our TÜ engines use a locking coupler: - Having said all that, it's rare for an EGR to fail completely but they can become clogged. A simple clean should restore normal operation but an EGR delete is a popular option. Note that an EGR delete will not cause any issues but it WILL store a fault code in the DDE and will cause the Check Engine lamp to light. You may fail safety checks on the basics of this light being on.
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#3
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Facelift E53 3.0d has M57N engine but there are two variants. EU3 without DPF and EU4 with DPF. On EU4 version there is a separate throttle valve before EGR and EGR has a cooler. Anyways DDE needs to be mapped if you disable EGR.
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E39 530dA -02 M-Sport Messing metallic E53 X5 3.0dA -06 Sport Stratus grey E70 X5 40d -12 M-Sport Space grey |
#4
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Thanks to both of you, as always the help is greatly appreciated
To Wayne, could I not just fit the planking plate in and fit the old EGR unit over the blank plate? Seal off the vacuum line and all would look the same. Over to Clavurion, No mate, definitely no DPF on this beasty LoL
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I own a BMW E53...Always questions, unfortunately I can rarely supply solutions. I will try to give results to my problems if they are fixed and how it was done. |
#5
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Quote:
The u-shaped pipe that runs from the exhaust manifold to the EGR can be discarded (or sold on eBay!). Some versions of the EGR delete kit leave this pipe in place and provide a blanking option at the intake side - this is a good option for the more complex water-cooled EGR. While the exhaust appears to be connected in this blanking kit, that exhaust stub is a dead-end. Note there is also a vacuum line dead-end stub included (vacuum line not currently connected). I've read some folk suggesting that you can avoid the errors etc. by leaving the EGR unit itself connected to the vacuum line and tucked somewhere out of the way - down near the fender etc. This is NOT true, since the error is generated when the DDE turns on the EGR then fails to see an oxygen level change in the exhaust as a result. The ONLY way to avoid the error is a DDE re-map.
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
#6
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On older M57 DDE 4 models there is a code if EGR is disabled but it doesn't cause anything else, hence no mapping needed in those. M57N with DDE 5/6 will need it mapped out. Mainly MAF shows the discrepancy of too much fresh air compared to the load situation telling that there is no EGR flow.
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E39 530dA -02 M-Sport Messing metallic E53 X5 3.0dA -06 Sport Stratus grey E70 X5 40d -12 M-Sport Space grey |
#7
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Quote:
On my e70 it did, so I had to code it out .
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X5 E70 3.0d M-Sport , 2010 Titan Silver , ZF 6HP28, 320hp. X5 E53 3.0d Sport, 2006 LeMans Blue, ZF 6HP26, diesel . |
#8
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E53 3.0d EU3 version without DPF? And there are some DDE software differences depending on marketing area and local regulations.
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E39 530dA -02 M-Sport Messing metallic E53 X5 3.0dA -06 Sport Stratus grey E70 X5 40d -12 M-Sport Space grey |
#9
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Quote:
And of course there’s an EGR code when I read it with INpA or ISTA. I’ve compared various UK and mainland European 160kw e53 diesels from 2006 using WinOLS and can’t really see a difference. But if I could find a map that originally included the DPF and flaps I’m sure they’d be differences.
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X5 E70 3.0d M-Sport , 2010 Titan Silver , ZF 6HP28, 320hp. X5 E53 3.0d Sport, 2006 LeMans Blue, ZF 6HP26, diesel . |
#10
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Quote:
Most other folk that have done this EGR delete seem to have ended up with a check engine light. But maybe the M57TU DDE 5 map on the 330d and 530d cars are very different - the reports of a CEL after an EGR delete are mainly from these vehicles. And what Clavurion says is also probably relevant - different markets have very different maps. I've never done this mod myself (my EGR is clean and working fine) so I have zero first-hand experience.
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) |
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