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03-29-2017, 11:06 AM | #1 |
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Few quick questions on MHD
I've been running a JB4 but I'm getting pretty sick of the peaky powerband and the process to install/remove it.
For those with an MHD and a warranty, have you ever had any issues with a claim or dealership? I know the MHD flashes are visible and my concern is it will void my warranty... Second question - anyone with a 2012/2013 car that requires the bench flash, can you provide some details on this? Who did it, what did it cost, etc. Any input appreciated!
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"Tobias" 2013 135i ///M-Sport 6MT • Pure Stage 1 • XDI 35 HPFP • 404whp/440wtq |
03-29-2017, 11:46 AM | #2 |
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As far as I know, MHD hasn't been able to unlock our "special" DMEs yet. I've been following the development of the N55 MHD tune and got cold feet when I read about a person who had problems with flashing his DME. To couple that incident with them still trying to figure out how to unlock our DMEs, made me go the Dinan route.
As I told you, BMW of Rockville is part of the greater BMW chain of dealers under Priority One. This includes Towson and Bel Air. Towson is an authorized Dinan dealer/installer. So chances are BMW of Rockville won't even blink an eye if you go in there with a Dinan tune. But the cost of the Dinan tune is way more than it was when they were running the special now. |
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03-29-2017, 02:05 PM | #3 | |
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Still seems accurate: JB4 = undetectable, cheap uneven power MHD = fun noises decent power risky tune Dinan = expensive as shit, even powerband and warranty safe
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"Tobias" 2013 135i ///M-Sport 6MT • Pure Stage 1 • XDI 35 HPFP • 404whp/440wtq |
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03-29-2017, 02:17 PM | #4 | |
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I'm sure you two have seen the following already, but for other N55 folks who wander thru and aren't up to speed the following is from MHD's N55 page-
Quote:
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135i - E82.N54 2009 BSM - MHD / xHP / DCI, PR CP & 7.5" Race IC / N55 mid & Borla . . WL RSFI, Koni, Eibach & Dinan CP's, M3 CA's / EBC Red's & Firehawk 500's X1 - E84.N20 2013 MGM - JB4 - The Wife's, now with new turbo & ewg |
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03-29-2017, 03:56 PM | #5 |
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Yes. I have and it's pretty much a 100% certainty if you have a 2013 model, you have that "special" DME. But I did check for chagrins and found that I have that "special" DME.
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03-29-2017, 05:16 PM | #6 |
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Yep all 2013 cars have it, that's the whole reason for the bench flash
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"Tobias" 2013 135i ///M-Sport 6MT • Pure Stage 1 • XDI 35 HPFP • 404whp/440wtq |
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03-30-2017, 12:11 AM | #7 |
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Drives: 2008 BMW 135i (E88 N54 6AT)
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So, it doesn't help if you can't flash your ECU, but I found the JB4's peaky power was smoothed out heaps with the JB4 Back End Flash (done via MHD).
JB4 gives you a level of safety, and the ability to go to meth that you don't get with straight MHD. I've got bluetooth gauges which I recon are much better than the MHD + ODBII Cable. But according to the MHD FAQ you just need to get a bench flash, isn't that as easy as dropping into the nearest aftermarket BMW tuner? (I'm genuinely interested - I thought it was like a $100 - $200 once-off job) |
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03-30-2017, 06:32 AM | #8 |
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MHD Tuning Some N55 questions here for ya!
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135i - E82.N54 2009 BSM - MHD / xHP / DCI, PR CP & 7.5" Race IC / N55 mid & Borla . . WL RSFI, Koni, Eibach & Dinan CP's, M3 CA's / EBC Red's & Firehawk 500's X1 - E84.N20 2013 MGM - JB4 - The Wife's, now with new turbo & ewg |
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03-30-2017, 10:23 AM | #9 | |
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03-30-2017, 03:47 PM | #10 | |
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03-30-2017, 04:28 PM | #11 |
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Doesn't apply to me or my N54, but curious how the other earlier N55's with the DME's that don't need to be bench flashed are behaving?
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135i - E82.N54 2009 BSM - MHD / xHP / DCI, PR CP & 7.5" Race IC / N55 mid & Borla . . WL RSFI, Koni, Eibach & Dinan CP's, M3 CA's / EBC Red's & Firehawk 500's X1 - E84.N20 2013 MGM - JB4 - The Wife's, now with new turbo & ewg |
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03-30-2017, 05:19 PM | #12 |
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For the most part fine. But I did read of one person who had an issue flashing his DME and ended up bricking it. Turned out to be a collision of things and a software bug. But reading about this issue along with them having difficulties working out the unlocking of the locked DMEs, made me go a different route.
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04-03-2017, 07:49 AM | #13 | ||
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