09-12-2016, 11:19 AM | #1 |
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1st DT Malfunction
Did a few pulls over the weekend, car was running well given the heat outside. I did get my first DTM Error at the top of 4th. See list of codes in attachments. I quickly got off the exit, turned car to Map 1, turned it off, locked for a couple of min, came back, started and drove off. No codes and was running fine again.
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09-12-2016, 01:11 PM | #2 | |
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*** SOLD *** 2013 BMW M5 | Space Grey | MSR Stage 3 Tune | Catless Downpipes | MSR Intake and Charge Pipes | MSR Exhaust (Prototype) | Vorsteiner Rear Diffuser | RW Carbon Front Lip | RW Carbon Trunk Spoiler| Vorsteiner VS-310 Forged Wheels | Escort 9500CI w/Laser Jammers
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09-12-2016, 01:31 PM | #3 | |
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Yes i am running BCM, I was running map 2 on 93 pump. Terry at BMS Said my fuel pressure dropped in the log. Waiting on what he comes back with since i did say that i was at about 1/3 of a tank. |
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09-12-2016, 07:17 PM | #4 |
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do you have comp package? If not you may have maxed out your short term fuel trims, also i would run a little more octane at 22psi with a jb only and no meth
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09-12-2016, 07:19 PM | #5 |
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I just looked at your codes, it misfired all over the place, I would definitely say its fuel related. A spark plug or coil issue wouldn't happen on so many cylinders at once
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09-12-2016, 08:42 PM | #7 |
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I see on Mobil app my pic doesn't show up. I've done it on my app, should show up now.
Yes, it's competition package and have run it on Map 2 most of the time no issue, could have been doing the run on less than 1/3 a tank of gas. Fuel trims looked ok until fuel pressure randomly dropped then came back up. |
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09-13-2016, 06:54 AM | #8 |
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I know a few have had problems with a tune (flash or JB4/Piggy) where when the fuel tank level drops low (~1/3) and had missfires and DTM's etc. Not sure if its a LPFP problem or just starvation.
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09-13-2016, 09:26 AM | #9 |
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Drives: 2014 BMW M5 F10 CP
Join Date: Apr 2013
Location: Dallas, Texas
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Your best bet is to load a tune and join the dark side.. No dtmal for me.
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2014 BMW F10 M5 ZCP | SSII / Black | MSR Stage III | MSR Intakes | RPi GTM Exhaust | RPi Catless Downpipes |RW Carbon Front Lip | RW Carbon Diffuser | RW Carbon Trunk Spoiler |
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09-13-2016, 05:04 PM | #10 |
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Might go that rout in the up coming months. So far I have been happy with my set up, plenty of power. In fact I love the fact that adding a tune would make the power more usable.
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09-14-2016, 04:20 AM | #11 |
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No DTMAL's for me either with JB4+BCM at 23psi. Not sure what that proves or what the point is.
I am guessing there is an underlying fault (LPFP or pick up etc) causing the problem, CP's are normally perfect as they run richer and have a higher cieling for fueling where non-CP's can be marginal on Map2/23psi. |
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09-15-2016, 10:05 PM | #12 |
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Other than the muffler being different, can't a non-CP car just be flashed into a CP car, then when adding a tune and/or JB4 you're at least starting off with a better base?
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