10-27-2021, 07:21 PM | #1 |
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Help Troubleshoot
I had to get my towed car today. Here is the codes I saw. It is an 18 M4 comp with an MHD GTS style tune.
Anyone else run into this issue? How much to repair? - DME active codes - 11A002 - High pressure fuel, plausibility Pressure too low. 11AA03 - High-pressure fuel system: High pressure pump, pressure too low. 11AA05 - High-pressure fuel system: High pressure pump 2, pressure too low. - DME shadow (inactive) codes - 11A401 - Fuel high pressure during fuel injection release: Pressure too low. 11B401 - Fuel high pressure or after enabling injection (2nd ambient condition set after delay): Pressure too low. 1E5A20 - Engine torque limit: maximum target torque permanently exceeded. |
10-27-2021, 07:34 PM | #2 | |
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Quote:
https://bmwfault.codes/XMLDiagView?d...AxADUANQAwADQA
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10-27-2021, 07:47 PM | #3 |
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Hopefully it's the fuel pressure sensor at the rear of the silver HPFP rail. If that goes bad it will think both HPFPs are pumping wrong.
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10-27-2021, 08:57 PM | #4 |
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Thanks. I am going to call a few local shops in the am and call a tow truck. Since it does not go into neutral (DCT) I know it will be a PITA to tow around.
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10-27-2021, 09:00 PM | #5 |
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If you can't switch the DCT into neutral then go under and pull the wire that connects to the lock lever. There's a post here somewhere showing how to do it before towing.
Dragging it will break things. Use 4 wheel dollies if you can't get into neutral.
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10-29-2021, 09:10 AM | #6 |
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Car is currently at the shop. It will need fuel pumps replaced. Shop can order the pumps for around $2100 and it will take 9-10 hours of labor for about $3700. Is that reasonable?
Should I try to order fuel pumps myself to save a little? |
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10-29-2021, 09:21 AM | #7 |
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Yes. I always order my own parts, even if I can't do the work.
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10-29-2021, 10:08 AM | #8 |
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I'm sorry but $5K is expensive in my mind. I would YouTube how to remove an injector and manifold (get to rails and pumps), and how to do a pump swap (Dorch/Spool/Nostrum vids). Then I'd swap the sensor first, and try. Next would be the pumps.
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10-29-2021, 10:56 AM | #9 |
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Just bout a pair of BOSCH 66825. Shop didn't seem happy and said could not warranty the install but I am not paying $2K for OEM pumps if BOSCHE sells OE's for a fraction of the cost.
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11-10-2023, 03:34 PM | #12 |
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Did this fix your issue after u replaced the pumps
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