10-15-2017, 08:47 AM | #23 |
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The issue was that the car had a driveline error code and went into limp mode....this happened during high speed driving with less than half a tank. I stopped and let the car sit, restarted and it returned to normal, but I sent the error code to BMW and had it checked at the dealer. As far as the repair, it looks like they replaced the low pressure fuel pump and module...problem has not repeated itself since.
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10-16-2017, 07:59 AM | #24 | |
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So are you telling me that you were getting "Drivetrain Malfunction" warnings and the dealer did this fuel pump test and came up with a EKTS issue?
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10-16-2017, 08:01 AM | #25 | |
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10-17-2017, 07:40 AM | #26 | |
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10-17-2017, 08:01 AM | #27 |
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Got it, thanks again. This is seriously frustrating. I just filled my car up and am going to try and recreate the scenario again and see if it doesn't, and then wait till I have less than half a tank and try it again and see if it does. It has happened to m 3 times, the first time I don't know the fuel level, but the other two times it was at a half or less. This was only happening to you when you had less than half a tank? So you have not had this issue since they changed the EKPS module? It says that the voltage to the fuel pump was low, I am guessing that is controlled by the EKPS module. Much appreciated. Justin
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10-17-2017, 12:27 PM | #28 |
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Ive also experienced the drivetrain malfunction and Im hoping Ive found the solution. I went to my local BMW shop here in Las Vegas, Southwest Bimmers to see if they would update my car with PUMA update that was previously mentioned and they told me they didnt feel comfortable until the other codes were resolved blah blah. But they did pull up an update from BMW that so far seems to have fixed my issue. Took the update they found (pic below) to my local BMW dealer and they updated my car w the latest software. I have not had a drivetrain malfunction since but Ill be sure to keep you guys posted. FYI my car has a fabspeed 200 cell HFC, Dinan Stage 1 software, and the Dinan LPFP upgrade kit. Before the update my car had the xxx-...502 software. Hope this helps.
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10-17-2017, 01:23 PM | #29 | |
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Well I am glad and not glad that it just me. Thank you so much for this, and info I can bring to my dealer the better. Much appreciated.
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10-17-2017, 02:48 PM | #31 |
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Guys I put in an jb4 and I'm always getting a drivetrain malfunction and the codes say fuel pump can anyone please help with This I'm pissed idk if I should go to the dealer or spend extra on unograde fuel pump it's annoying it's always going into this drivetrain error
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10-17-2017, 09:19 PM | #32 | |
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I have a JB4 installed, running 94 Octane + 50/50 WMI, and am running Map 3 with a Boost Additive of 70 no problem. I went through a couple revisions with Terry from BMS to dial it in. No idea what the gains above my baseline are just yet, but the car pulls really damn hard with this setup. I'm going to be installing a downpipe this weekend and re-dyno the following week.
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10-19-2017, 09:45 AM | #33 |
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What do you recommend I should do? Do I get an upgraded fuel pump? I plan to run e85
I'm on a budget so idk if a tune is the right way and which tune to go to its just frustrating that it happens to me a lot What do you think |
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10-19-2017, 10:06 AM | #34 | |
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You have two options... 1) Water-Methanol Injection - Nozzle that sprays into the charge pipe pre-throttle body (most common location). This mix takes some load off the HPFP and provides additional cooling to the charge air temperatures. 2) Port Injection - Basically a spacer that sits in between the intake manifold and the head that has a spot for 6 additional injectors - again taking the load off the HPFP. If you're planning on running E85, especially higher concentrations of ethanol, I would personally go the port injection route. Fuel-It makes great kits that integrate quite well with the JB4 and are ethanol compatible. To go this route you'll need their Stage 2 LPFP and a Port-Injection kit. They have plenty of videos on their youtube on the install for both of these products. I'll probably be going this route should I ever decide to upgrade the turbo on the M2
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10-19-2017, 10:30 AM | #35 |
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I don't s lee myself upgrading my turbo soon
U think I should ditch the jb4 and go to rk tunes or frank smith or get a back end flash tune ? I fee like our cars aren't good for tuning potential makes me 2nd guess if I chose the right car or if I should have gotten a Bolt on e92 M3 |
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10-19-2017, 10:41 AM | #36 | ||
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10-19-2017, 10:42 AM | #37 |
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Yes, but this is also a known occurrence on completely stock cars.
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10-19-2017, 03:15 PM | #39 |
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I will try and find it but there was a video that someone posted where it happened to them while they were on the track. And there was a previous post about this.
EDIT: Found another post about it, but it is with modded cars as well, I'll keep looking. http://f87.bimmerpost.com/forums/sho....php?t=1380389 EDIT2: Another with stock cars http://f87.bimmerpost.com/forums/sho...2#post21626632 EDIT3: Track Video http://f87.bimmerpost.com/forums/sho...2#post21626632
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10-19-2017, 09:41 PM | #40 | |
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10-20-2017, 06:29 AM | #41 | |
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Thanks. This is what I am hoping. My car is going back to the dealer on Tuesday and I am going to bring them all the info that I have been collecting and hopefully they will get this figured out. It is very frustrating.
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10-25-2017, 07:58 AM | #42 |
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Car is back at the dealer now. I gave my SA all the info I had but he kind of blows it off. They better figure something out or I will pull my car out of there so fast.
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10-25-2017, 12:19 PM | #43 |
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10-27-2017, 10:34 AM | #44 |
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Got my car back yesterday and they updated the ilevel to F020-17-07-507. So we will see what happens. I also convinced them to change the backing plates in the rear.
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