Is it HPFP?

chiefsotos · 02-21-2009, 04:14 AM

Hi guys, My car i a Bmw 335 with procede V3, stage 1 and maps 1-2008.
I usually running with low map about 11psi with no problems at all. When i change to high boost map(90% torgue) the performance is great but sometimes (1 in 3 runs) when i rev from 1st gear to all i get a limp in 4th gear and exactly 5700rpm. When i was on a limp the msg "reduce engine power" appears and sometimes the car turned into stock levels(6-8psi), until i turn it of. When i just rolling on 4th gear and step on it, i did not get a limp even i am reaching 6500rpm. (I mean that the limp occures only when i wot all the gears)
I didn't care about it a lot, but two days ago, when i push the start button the car cranked for 4 sec and then turn it on.(No rattling at iddle, very stable when it turned on and no limp mode). This was the first time, i was having this cranking and i am thinking that this is a fault of my HPFP.
Is it any change that the limp mode i get at 4th gear and 5700rpm occured in a bad HPFP? What else could be?

GGreek5 · 02-21-2009, 09:14 AM

Yasou file!! Could be the HPFP. It will get worse soon if it is. I really noticed mine got worse if I had less than half a tank of gas in it. Not sure what else it could be.

cn555ic · 02-21-2009, 10:32 AM

When you got the limp mode, did you get the OBD reader and get the codes...Usually the codes will give you some indication of what the problem is...

chiefsotos · 02-22-2009, 04:11 AM

Quote:

Originally Posted by cn555ic

When you got the limp mode, did you get the OBD reader and get the codes...Usually the codes will give you some indication of what the problem is...

I think that my obd reader is not working, because whenever i had tried to read the codes, it was showing nothing!!!(It starts counting and then just stops and no code appear, while at bmw service they can read the stored code of the limp)

maximka · 02-22-2009, 03:33 PM

it`s fuel pump.. 100%

sd390r · 02-22-2009, 05:44 PM

yeah its your fuel pump probably.. obd2 reader cant read that you need something that reads stored faults

maximka · 02-23-2009, 02:18 AM

i had the same problem, that`s why i`m sure

02-21-2009, 04:14 AM	#1
chiefsotos Second Lieutenant 41 Rep 298 Posts Drives: BMW 335 E93 Join Date: Jul 2008 Location: Greece iTrader: (0)	Is it HPFP? Hi guys, My car i a Bmw 335 with procede V3, stage 1 and maps 1-2008. I usually running with low map about 11psi with no problems at all. When i change to high boost map(90% torgue) the performance is great but sometimes (1 in 3 runs) when i rev from 1st gear to all i get a limp in 4th gear and exactly 5700rpm. When i was on a limp the msg "reduce engine power" appears and sometimes the car turned into stock levels(6-8psi), until i turn it of. When i just rolling on 4th gear and step on it, i did not get a limp even i am reaching 6500rpm. (I mean that the limp occures only when i wot all the gears) I didn't care about it a lot, but two days ago, when i push the start button the car cranked for 4 sec and then turn it on.(No rattling at iddle, very stable when it turned on and no limp mode). This was the first time, i was having this cranking and i am thinking that this is a fault of my HPFP. Is it any change that the limp mode i get at 4th gear and 5700rpm occured in a bad HPFP? What else could be?
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02-21-2009, 09:14 AM	#2
GGreek5 Olimpiakos 91 Rep 1,426 Posts Drives: M3 Join Date: Apr 2008 Location: Mass iTrader: (10)	Yasou file!! Could be the HPFP. It will get worse soon if it is. I really noticed mine got worse if I had less than half a tank of gas in it. Not sure what else it could be.
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02-21-2009, 10:32 AM	#3
cn555ic 441 Rep 18,331 Posts Drives: 335i Join Date: Jun 2007 Location: US iTrader: (6)	When you got the limp mode, did you get the OBD reader and get the codes...Usually the codes will give you some indication of what the problem is...
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02-22-2009, 03:33 PM	#5
maximka Captain 19 Rep 779 Posts Drives: bmw 335 xi Join Date: Mar 2008 Location: Moscow iTrader: (0) Garage List 2008 335xi [0.00] 2007 bmw x5 4.8i [0.00]	it`s fuel pump.. 100% __________________ BMW E92 335xi, AW, Saddle Brown, Poplar trim, M-kit , Navi, shift paddles, sport seats, M suspension, [B]High end audio Bmw X5 (2007) 4.8i. Black , Black interior, sport pkg Logic 7. full
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02-22-2009, 05:44 PM	#6
sd390r Lieutenant Colonel 61 Rep 1,654 Posts Drives: AW M3 Join Date: Aug 2008 Location: North Jersey iTrader: (9) Garage List 2008 E90 335i [0.00]	yeah its your fuel pump probably.. obd2 reader cant read that you need something that reads stored faults __________________ 2008 E90 M3 - Sold 2006 Evo IX SE - Sold 2008 E90 335i - Sold
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02-23-2009, 02:18 AM	#7
maximka Captain 19 Rep 779 Posts Drives: bmw 335 xi Join Date: Mar 2008 Location: Moscow iTrader: (0) Garage List 2008 335xi [0.00] 2007 bmw x5 4.8i [0.00]	i had the same problem, that`s why i`m sure __________________ BMW E92 335xi, AW, Saddle Brown, Poplar trim, M-kit , Navi, shift paddles, sport seats, M suspension, [B]High end audio Bmw X5 (2007) 4.8i. Black , Black interior, sport pkg Logic 7. full
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