Vanos failure

newsimplegroup · 08-03-2019, 07:52 AM

Greetings, any help would be much appreciated. The shop I took it to tried to tell me I needed a water pump.

I went into limp mode while passing on the highway the other day, it's happened recently before, I assumed vanos failure. Code read p0015. Upon taking it to a shop they diagnosed it was definitely the solenoids.

When I restarted the car this time after having the code read, I had a significant throttle/power loss in lower RPMs. I was terrified I had ruined Cam timing somehow, so I took it to the shop.

The car has been jumped a ton of times as it was getting body work done to it, the Water Pump code they found was a charge off code of some kind, it hasn't come back and I have had the pump tested elsewhere via ODB and car running.

2 things.

The other shop drove it with ODB attached, noticed a fuel pressure plausibility code.

Yesterday coming out of first in a parking spot, I thought I smelled gas.
Then again later that night, coming out of a stop sign, thought I smelled gas.

So I am thinking to check the fuel pressure regulator pump.
I was also going to replace HPFP.

Does anyone have any advice?
Could I have ruined VANOS gearset?
Would VANOS gearset cause fuel pressure plausibility problem?
Would VANOS Failure cause fuel pressure system damage?

Please man, I am losing it over here.

Before I spend money, I just need some advice. Charlotte BMW shops have failed me.

hassmaschine · 08-03-2019, 11:41 AM

no, no, and no.

When the solenoids fail to pressurize the system, all it does is run the VANOS units at their rest position.

newsimplegroup · 08-03-2019, 11:49 AM

Any idea what im experiencing then? This all happened at the same time

hassmaschine · 08-03-2019, 11:53 AM

sounds like the car is sitting, so who knows what's happened to it. Probably a coincidence. I'd look into that fuel smell first, of course.

newsimplegroup · 08-03-2019, 11:59 AM

It sat for a year, I drove it straight to NC from Philadelphia after. Replaced oil, ran seafoam through it before the trip/during trip. Had to fill coolant.

The loss of power is alarming to me. It did recognize a misfire in coil 1 a while back, but that went away.

newsimplegroup · 08-03-2019, 12:02 PM

Going to go check to see if the regulator pump cracked after work here.

newsimplegroup · 08-03-2019, 12:19 PM

But off the top of your head, any thoughts as to what would cause significant power loss, possible fuel pressure loss, and slight smell of gas some times?

08-03-2019, 07:52 AM	#1
newsimplegroup Enlisted Member 0 Rep 31 Posts Drives: BMW 335i 2007 Join Date: Aug 2019 Location: Charlotte iTrader: (0)	Vanos failure - Fuel pressure/Power loss all together Greetings, any help would be much appreciated. The shop I took it to tried to tell me I needed a water pump. I went into limp mode while passing on the highway the other day, it's happened recently before, I assumed vanos failure. Code read p0015. Upon taking it to a shop they diagnosed it was definitely the solenoids. When I restarted the car this time after having the code read, I had a significant throttle/power loss in lower RPMs. I was terrified I had ruined Cam timing somehow, so I took it to the shop. The car has been jumped a ton of times as it was getting body work done to it, the Water Pump code they found was a charge off code of some kind, it hasn't come back and I have had the pump tested elsewhere via ODB and car running. 2 things. The other shop drove it with ODB attached, noticed a fuel pressure plausibility code. Yesterday coming out of first in a parking spot, I thought I smelled gas. Then again later that night, coming out of a stop sign, thought I smelled gas. So I am thinking to check the fuel pressure regulator pump. I was also going to replace HPFP. Does anyone have any advice? Could I have ruined VANOS gearset? Would VANOS gearset cause fuel pressure plausibility problem? Would VANOS Failure cause fuel pressure system damage? Please man, I am losing it over here. Before I spend money, I just need some advice. Charlotte BMW shops have failed me. Last edited by newsimplegroup; 08-03-2019 at 07:59 AM..
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08-03-2019, 11:41 AM	#2
hassmaschine Major General 3973 Rep 7,215 Posts Drives: "NBO" 330i Join Date: Jun 2014 Location: earth iTrader: (0)	no, no, and no. When the solenoids fail to pressurize the system, all it does is run the VANOS units at their rest position.
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08-03-2019, 11:49 AM	#3
newsimplegroup Enlisted Member 0 Rep 31 Posts Drives: BMW 335i 2007 Join Date: Aug 2019 Location: Charlotte iTrader: (0)	Any idea what im experiencing then? This all happened at the same time
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08-03-2019, 11:53 AM	#4
hassmaschine Major General 3973 Rep 7,215 Posts Drives: "NBO" 330i Join Date: Jun 2014 Location: earth iTrader: (0)	sounds like the car is sitting, so who knows what's happened to it. Probably a coincidence. I'd look into that fuel smell first, of course.
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08-03-2019, 11:59 AM	#5
newsimplegroup Enlisted Member 0 Rep 31 Posts Drives: BMW 335i 2007 Join Date: Aug 2019 Location: Charlotte iTrader: (0)	It sat for a year, I drove it straight to NC from Philadelphia after. Replaced oil, ran seafoam through it before the trip/during trip. Had to fill coolant. The loss of power is alarming to me. It did recognize a misfire in coil 1 a while back, but that went away.
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08-03-2019, 12:02 PM	#6
newsimplegroup Enlisted Member 0 Rep 31 Posts Drives: BMW 335i 2007 Join Date: Aug 2019 Location: Charlotte iTrader: (0)	Going to go check to see if the regulator pump cracked after work here.
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08-03-2019, 12:19 PM	#7
newsimplegroup Enlisted Member 0 Rep 31 Posts Drives: BMW 335i 2007 Join Date: Aug 2019 Location: Charlotte iTrader: (0)	But off the top of your head, any thoughts as to what would cause significant power loss, possible fuel pressure loss, and slight smell of gas some times?
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