HELP loss of power and no codes

DG330 · 10-15-2020, 11:52 AM

Hi,

I've lost all power and the car won't rev above 1.5/2/3k rpm. Despite switching it on and off lots the car will not rev and when I drive or reverse there is no power.

There are no fault codes.

This happened before in March, but then never reappeared until today (7 months on)

The car will idle fine, but will not rev. Videos to follow

Anyone had this issue? Fixes?

Car has full bmw service history and TC was done in January.

Thanks

DG330 · 10-15-2020, 12:15 PM

Video

DG330 · 10-16-2020, 02:14 AM

Another video

Does anyone think this could be valvetronic?

I've had a lot of clicking that doesn't sound right, almost like the motor is clicking on itself and leaving the eccentric shaft valve either at min or max.

In this video you can hear it cranking but it sounds like there is no compression. But switch it off and then crank it etc it will fire, but with no power and max 1500 rpm

DG330 · 10-18-2020, 09:56 AM

Bump

Billfitz · 10-18-2020, 10:51 AM

What tool are you using to check for codes?

DG330 · 10-18-2020, 10:54 AM

Quote:

Originally Posted by Billfitz

What tool are you using to check for codes?

Had the breakdown scan it, but also no codes on IDrive or warning lights during this whole failure.

I'm currently getting ISTA back onto my laptop so will give it a scan.

Any thoughts on what it could be.

I've had a lot of clicking from the valvetronic recently so betting on that. Also when it cranks it sounds like the valves are fully open which at start they should be only open a little?

Billfitz · 10-18-2020, 10:58 AM

The diagnosis capacity of iDrive is limited. Even if the CEL is lit in most cases iDrive can't tell you why.

DG330 · 10-18-2020, 02:46 PM

Quote:

Originally Posted by Billfitz

The diagnosis capacity of iDrive is limited. Even if the CEL is lit in most cases iDrive can't tell you why.

Will take a look once I've got Ista installed.

Hoping there's some faults on there. I always thought if the valvetronic failed it would throw a limp home mode and CEL light, but I didn't get anything.

Billfitz · 10-18-2020, 03:22 PM

Keep in mind that BMW does not want you working on your car. They don't want anyone working on it other than BMW dealers. That's why the most the car will say is that something's wrong, but it won't say any more than that, if it says anything at all.

jbiswurm · 10-18-2020, 05:22 PM

Trying holding the dsc button until it says dsc off. Then drive and see if it's resolved.

DG330 · 10-21-2020, 03:39 PM

Managed to check codes and I had theses deleted them and one remains after trying to crank. My battery is down at 11.9V so need to recheck these are not battery related.

The one remaining one after deleting is S 0772 - software error

Any ideas?

I unlocked my car and the valvetronic clicked a lot, not a good click. Then when I locked it clicked away for a few mins. Very suspect right now

DG330 · 10-22-2020, 03:58 AM

Checked the car this morning... here's a clip of the valvetronic. It sounds very healthy 😂

It made this noise on first unlock, boot opening and just after I closed the boot.

Feeling confident that this is my problem. Thoughts?

DG330 · 11-02-2020, 09:25 AM

Bump - bought all the tools and parts to do the valvetronic as it's pretty suspect. Annoyingly no codes for it.

Any thoughts

DG330 · 11-04-2020, 12:26 PM

Managed to change the valvetronic today, will be starting it tomorrow in the daylight as ran out of it earlier.

Injector seal tools are useless - I bough one and it was awful. Ended up using 8mm fuel pipe and a jubilee clip which worked perfectly.

Eccentric shaft has some marks, but overall fine. The old motor has signs of binding on the worm gear.

I used lots of PD1 grease which is now called Tribol GR100. Put this on the worm gear and the shaft in plenty quantity.

Overall the job was not that hard, just so much to take off and it's back breaking work.

Fingers crossed my issue was the motor and not the ECU or something else.

Cristiancrv · 12-14-2021, 01:53 PM

Quote:

Originally Posted by DG330

Managed to check codes and I had theses deleted them and one remains after trying to crank. My battery is down at 11.9V so need to recheck these are not battery related.

The one remaining one after deleting is S 0772 - software error

Any ideas?

I unlocked my car and the valvetronic clicked a lot, not a good click. Then when I locked it clicked away for a few mins. Very suspect right now

Hello mate. Did you figure out what it was? I've got the same fault code S 0772 and the consumption of this is car is pretty high! Thanks

DG330 · 12-14-2021, 02:23 PM

Never got anywhere with this code. What's issues are you having?

LaNcE01 · 12-26-2021, 10:36 AM

So replacing the valvetronic motor didnt fix the issue? is the issue resolved now?

10-15-2020, 11:52 AM	#1
DG330 First Lieutenant 71 Rep 360 Posts Drives: 330 Join Date: Nov 2018 Location: Uk iTrader: (0)	HELP loss of power and no codes Hi, I've lost all power and the car won't rev above 1.5/2/3k rpm. Despite switching it on and off lots the car will not rev and when I drive or reverse there is no power. There are no fault codes. This happened before in March, but then never reappeared until today (7 months on) The car will idle fine, but will not rev. Videos to follow Anyone had this issue? Fixes? Car has full bmw service history and TC was done in January. Thanks
	Appreciate 0 Tweet Quote

10-15-2020, 12:15 PM	#2
DG330 First Lieutenant 71 Rep 360 Posts Drives: 330 Join Date: Nov 2018 Location: Uk iTrader: (0)	Video
	Appreciate 0 Quote

10-16-2020, 02:14 AM	#3
DG330 First Lieutenant 71 Rep 360 Posts Drives: 330 Join Date: Nov 2018 Location: Uk iTrader: (0)	Another video Does anyone think this could be valvetronic? I've had a lot of clicking that doesn't sound right, almost like the motor is clicking on itself and leaving the eccentric shaft valve either at min or max. In this video you can hear it cranking but it sounds like there is no compression. But switch it off and then crank it etc it will fire, but with no power and max 1500 rpm
	Appreciate 0 Quote

10-18-2020, 09:56 AM	#4
DG330 First Lieutenant 71 Rep 360 Posts Drives: 330 Join Date: Nov 2018 Location: Uk iTrader: (0)	Bump
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10-18-2020, 10:51 AM	#5
Billfitz Lieutenant General 8246 Rep 16,089 Posts Drives: '15 328iX GT Join Date: Jan 2015 Location: New Hampshire iTrader: (0)	What tool are you using to check for codes?
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10-18-2020, 10:58 AM	#7
Billfitz Lieutenant General 8246 Rep 16,089 Posts Drives: '15 328iX GT Join Date: Jan 2015 Location: New Hampshire iTrader: (0)	The diagnosis capacity of iDrive is limited. Even if the CEL is lit in most cases iDrive can't tell you why.
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10-18-2020, 03:22 PM	#9
Billfitz Lieutenant General 8246 Rep 16,089 Posts Drives: '15 328iX GT Join Date: Jan 2015 Location: New Hampshire iTrader: (0)	Keep in mind that BMW does not want you working on your car. They don't want anyone working on it other than BMW dealers. That's why the most the car will say is that something's wrong, but it won't say any more than that, if it says anything at all.
	Appreciate 0 Quote

10-18-2020, 05:22 PM	#10
jbiswurm Second Lieutenant 68 Rep 241 Posts Drives: F30 335i msport 6mt Join Date: Oct 2013 Location: MA iTrader: (0)	Trying holding the dsc button until it says dsc off. Then drive and see if it's resolved.
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10-21-2020, 03:39 PM	#11
DG330 First Lieutenant 71 Rep 360 Posts Drives: 330 Join Date: Nov 2018 Location: Uk iTrader: (0)	Managed to check codes and I had theses deleted them and one remains after trying to crank. My battery is down at 11.9V so need to recheck these are not battery related. The one remaining one after deleting is S 0772 - software error Any ideas? I unlocked my car and the valvetronic clicked a lot, not a good click. Then when I locked it clicked away for a few mins. Very suspect right now Attached Images
	Appreciate 0 Quote

10-22-2020, 03:58 AM	#12
DG330 First Lieutenant 71 Rep 360 Posts Drives: 330 Join Date: Nov 2018 Location: Uk iTrader: (0)	Checked the car this morning... here's a clip of the valvetronic. It sounds very healthy 😂 It made this noise on first unlock, boot opening and just after I closed the boot. Feeling confident that this is my problem. Thoughts?
	Appreciate 0 Quote

11-02-2020, 09:25 AM	#13
DG330 First Lieutenant 71 Rep 360 Posts Drives: 330 Join Date: Nov 2018 Location: Uk iTrader: (0)	Bump - bought all the tools and parts to do the valvetronic as it's pretty suspect. Annoyingly no codes for it. Any thoughts
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11-04-2020, 12:26 PM	#14
DG330 First Lieutenant 71 Rep 360 Posts Drives: 330 Join Date: Nov 2018 Location: Uk iTrader: (0)	Managed to change the valvetronic today, will be starting it tomorrow in the daylight as ran out of it earlier. Injector seal tools are useless - I bough one and it was awful. Ended up using 8mm fuel pipe and a jubilee clip which worked perfectly. Eccentric shaft has some marks, but overall fine. The old motor has signs of binding on the worm gear. I used lots of PD1 grease which is now called Tribol GR100. Put this on the worm gear and the shaft in plenty quantity. Overall the job was not that hard, just so much to take off and it's back breaking work. Fingers crossed my issue was the motor and not the ECU or something else. Attached Images
	Appreciate 0 Quote

12-14-2021, 02:23 PM	#16
DG330 First Lieutenant 71 Rep 360 Posts Drives: 330 Join Date: Nov 2018 Location: Uk iTrader: (0)	Never got anywhere with this code. What's issues are you having?
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12-26-2021, 10:36 AM	#17
LaNcE01 Private First Class 23 Rep 117 Posts Drives: LR2,328i,GLC220d,LibertyGT Join Date: Mar 2019 Location: Australia iTrader: (0)	So replacing the valvetronic motor didnt fix the issue? is the issue resolved now?
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