Limp mode

rad doc · 01-07-2014, 04:54 PM

So I need some advice. Driving home on highway and twice the 1M has gone into limp mode, ie engine malfunction, reduced power warning. This was during normal driving. Car has no mods. Dealer says they cant figure it out. Cant they just pull the codes? Coil pack or maybe charge pipe (but didn't hear anything unusual). Plugs changed about 4k miles ago. Car has 33k miles. Any suggestions? Really need to get rid of this 328i loaner!

Axelf · 01-07-2014, 05:20 PM

Mine did this a while back and they changed out the knock sensors all has been well since

1'M Blue · 01-08-2014, 12:09 AM

They should be able to identify it by the codes .. I suspect charge pipe failure .

Notion-Za · 01-08-2014, 12:17 AM

Did the car do anything funny other than reduced power? A funny noise / vibration ?

If the car threw the EML error the car should have thrown a code. From what I have seen, it's quite easy to spot a cracked charge pipe.

Dee Pee · 01-08-2014, 04:28 AM

I had an intermittent limp mode problem over the summer. It progressed into full limp mode after a few days. The car started roughly and the cooling fans were blowing constantly.

It turned out to be the HPFP.

Seems like the other top culprits are the charge pipe and the knock sensors.

All are easy fixes.

Artemis · 01-08-2014, 06:56 AM

Maybe the hyperlinks of issues #5a, #5b and #5c of the 1M issues log sticky could shed some light: http://www.1addicts.com/forums/showp...27&postcount=1

rad doc · 01-08-2014, 07:18 AM

Thanks guys. Car didnt do anything funny or make a noise so I didnt think it was cp. good to know about the knock sensors. The dealer has had car for 4 days now. Painful.

smq42 · 01-08-2014, 09:16 AM

Quote:

Originally Posted by rad doc

So I need some advice. Driving home on highway and twice the 1M has gone into limp mode, ie engine malfunction, reduced power warning. This was during normal driving. Car has no mods. Dealer says they cant figure it out. Cant they just pull the codes? Coil pack or maybe charge pipe (but didn't hear anything unusual). Plugs changed about 4k miles ago. Car has 33k miles. Any suggestions? Really need to get rid of this 328i loaner!

Were you driving very "spiritedly?"

Happened to me on the track. Codes indicated turbo issues (can't recall exact numbers).

I was pushing the car pretty hard though; never had any problems w highway driving.

Grey Dove · 01-08-2014, 11:10 AM

Quote:

Originally Posted by smq42

Were you driving very "spiritedly?"

Happened to me on the track. Codes indicated turbo issues (can't recall exact numbers).

I was pushing the car pretty hard though; never had any problems w highway driving.

And what was the verdict?

rad doc · 01-08-2014, 11:43 AM

Not really. Maybe 75-80 on the highway.

smq42 · 01-08-2014, 06:00 PM

Quote:

Originally Posted by gs/e60/1m?

Quote:

Originally Posted by smq42

Were you driving very "spiritedly?"

Happened to me on the track. Codes indicated turbo issues (can't recall exact numbers).

I was pushing the car pretty hard though; never had any problems w highway driving.

And what was the verdict?

There was a BMW technician at the track who reset it and told me not to worry about it. The car was fine on the next run.

I told the dealer when I was there for a brake issue a few weeks later. Apparently it is something to do with overboost. Basically the turbo runs out of air, registers a fault, and the car goes into limp mode. When the car cools down, everything goes back to normal.

Haven't been back to the track since. My baby is hibernating through the New England winter!

Grey Dove · 01-09-2014, 12:41 AM

Quote:

Originally Posted by smq42

There was a BMW technician at the track who reset it and told me not to worry about it. The car was fine on the next run.

I told the dealer when I was there for a brake issue a few weeks later. Apparently it is something to do with overboost. Basically the turbo runs out of air, registers a fault, and the car goes into limp mode. When the car cools down, everything goes back to normal.

Haven't been back to the track since. My baby is hibernating through the New England winter!

Thanks! Had something similar at the track. Car went back to normal later on.

rad doc · 01-09-2014, 05:13 PM

Charge pipe. Should have looked myself. Took dealership 7 days to figure it out. IDIOTS!!!

Artemis · 01-10-2014, 09:34 AM

Quote:

Originally Posted by rad doc

Charge pipe.

Thanks for the feedback and sorry to hear. Charge pipe: popped or cracked ?

Added as latest entry to issue #5c of the 1M issues log sticky: http://www.1addicts.com/forums/showp...27&postcount=1

MDORPHN · 01-10-2014, 09:48 AM

Quote:

Originally Posted by rad doc

Charge pipe. Should have looked myself. Took dealership 7 days to figure it out. IDIOTS!!!

Gross incompetence! I'd find a different dealer or, at least, a different tech.

Neil

rad doc · 01-10-2014, 01:44 PM

Cracked. Even did a smoke test, probably so dealer could bill bmw more.

01-07-2014, 04:54 PM	#1
rad doc Lieutenant 252 Rep 513 Posts Drives: 1M AW loaded Join Date: May 2011 Location: texas iTrader: (0)	Limp mode So I need some advice. Driving home on highway and twice the 1M has gone into limp mode, ie engine malfunction, reduced power warning. This was during normal driving. Car has no mods. Dealer says they cant figure it out. Cant they just pull the codes? Coil pack or maybe charge pipe (but didn't hear anything unusual). Plugs changed about 4k miles ago. Car has 33k miles. Any suggestions? Really need to get rid of this 328i loaner!
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01-07-2014, 05:20 PM	#2
Axelf Lieutenant 75 Rep 573 Posts Drives: 2016 Z4 35is... Join Date: Sep 2011 Location: Durham... U.K iTrader: (3)	Mine did this a while back and they changed out the knock sensors all has been well since
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01-08-2014, 12:09 AM	#3
1'M Blue Major 254 Rep 1,068 Posts Drives: 1M Join Date: Nov 2011 Location: OM iTrader: (0)	They should be able to identify it by the codes .. I suspect charge pipe failure .
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01-08-2014, 12:17 AM	#4
Notion-Za Second Lieutenant 28 Rep 293 Posts Drives: '16 M4 ZCP Join Date: Sep 2008 Location: South Africa iTrader: (0)	Did the car do anything funny other than reduced power? A funny noise / vibration ? If the car threw the EML error the car should have thrown a code. From what I have seen, it's quite easy to spot a cracked charge pipe. __________________ 2016 M4 ZCP 2018 Ford Ranger WildTrak 3.2
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01-08-2014, 06:56 AM	#6
Artemis Moderator 29277 Rep 13,090 Posts Drives: BMW M2 Competition Join Date: Jun 2011 Location: Belgium iTrader: (0)	Maybe the hyperlinks of issues #5a, #5b and #5c of the 1M issues log sticky could shed some light: http://www.1addicts.com/forums/showp...27&postcount=1 __________________ ///M is art ↔ Artemis
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01-08-2014, 04:28 AM	#5
Dee Pee Captain 176 Rep 795 Posts Drives: '11 AW 1M, ‘24 718 GTS Join Date: Jun 2011 Location: Portland, OR iTrader: (0)	I had an intermittent limp mode problem over the summer. It progressed into full limp mode after a few days. The car started roughly and the cooling fans were blowing constantly. It turned out to be the HPFP. Seems like the other top culprits are the charge pipe and the knock sensors. All are easy fixes.
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01-08-2014, 07:18 AM	#7
rad doc Lieutenant 252 Rep 513 Posts Drives: 1M AW loaded Join Date: May 2011 Location: texas iTrader: (0)	Thanks guys. Car didnt do anything funny or make a noise so I didnt think it was cp. good to know about the knock sensors. The dealer has had car for 4 days now. Painful.
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01-08-2014, 11:43 AM	#10
rad doc Lieutenant 252 Rep 513 Posts Drives: 1M AW loaded Join Date: May 2011 Location: texas iTrader: (0)	Not really. Maybe 75-80 on the highway.
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01-09-2014, 05:13 PM	#13
rad doc Lieutenant 252 Rep 513 Posts Drives: 1M AW loaded Join Date: May 2011 Location: texas iTrader: (0)	Charge pipe. Should have looked myself. Took dealership 7 days to figure it out. IDIOTS!!!
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01-10-2014, 01:44 PM	#16
rad doc Lieutenant 252 Rep 513 Posts Drives: 1M AW loaded Join Date: May 2011 Location: texas iTrader: (0)	Cracked. Even did a smoke test, probably so dealer could bill bmw more.
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