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06-06-2013, 09:50 PM | #1 |
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Lots of Fun This Week - N55 HPFP Failure....
Didn't think I would end up having the same issues as the N54, but this week the dreaded old HPFP failed and about got me killed by a semi! Fixed now, but what a pain in the d*ck
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06-06-2013, 10:34 PM | #2 |
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Drives: S65 1M Clone & E92 M3 4.6L
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Sorry to hear that-
Did they change anything with your second pump? Are you tuned? Downpipes, etc? Do u track or regularly wot the car? This is pretty rare, so the more info you can provide the better. |
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06-06-2013, 11:35 PM | #3 |
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100% Stock, never tracked, street driven (semi-daily driver) 18.5k miles. My car was early in the 2012 MY, so I hope that the HPFP changed later on.
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06-07-2013, 10:37 AM | #6 |
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Drives: 12' 135i
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Location: San Jose, California
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any pre-symtoms that you noticed?
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Matthew Gallop: '12 N55 Mods: JB4 Flex ISO | iCarbon DP | VRSF 5" FMIC | BMS Intake | ER Charge Pipe | Race Axleback | ST Coils | Alufelgen CS7's | iCarbon 3 fin Diffuser | Blackline LCI | CarbonFiber Spoiler | Orion v4 AE's | 30% tint | red+blk roundels | Cyba Scoops | H-Style front Lip | WeissLicht LED Smoked Sidemarkers | Matte Grills | Coded | |
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06-07-2013, 11:13 AM | #7 |
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A few weeks back my "Service Engine Soon" light came on on a road trip, but went off after a few days before I could get my car in to BMW. The day it failed I was getting abnormally long starts, and the car could not maintain a consistent idle. When it quit I was merging onto a major road and had to get on it and it just fell on it face, went into limp mode, and wasn't driveable past 1k rpms. That's when I let it sit and waited for a tow truck.
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06-07-2013, 11:32 AM | #8 |
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Drives: 12' 135i
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thanks for the heads up... i occasionally have long cranks, but its normally when i am low on gas + i use half e85 so... crossing my fingers, and sorry to hear about the bad luck you had with yours, but glad to hear you are back up and running!
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Matthew Gallop: '12 N55 Mods: JB4 Flex ISO | iCarbon DP | VRSF 5" FMIC | BMS Intake | ER Charge Pipe | Race Axleback | ST Coils | Alufelgen CS7's | iCarbon 3 fin Diffuser | Blackline LCI | CarbonFiber Spoiler | Orion v4 AE's | 30% tint | red+blk roundels | Cyba Scoops | H-Style front Lip | WeissLicht LED Smoked Sidemarkers | Matte Grills | Coded | |
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06-07-2013, 12:31 PM | #9 |
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i replaced mine last year...it was good up until i got a few long cranks. Then one time had a warm start it sounded like a diesel truck sputtering and threw codes. I asked terry from bms he said they were fuel hpfp codes. I took it to the dealer they werent happy since my car is fully modded with methanol even but they replaced it. So far so good hope this one lasts awhile
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06-21-2013, 11:31 AM | #12 |
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Same boat as ^^^
I had long cranks (4-5 seconds) at cold starts for about a year. Took it to BMW twice and the techs couldn't replicate it (no codes). Took it for an oil change a few weeks back and asked my SA to look into it again. They ran some sort of test/confirmed it was the HPFP. 1er has been firing up like a champ since! I'll post up what the tech wrote up regarding the test he ran. |
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