Sudden loss of power on highway

///S65 · 09-12-2014, 01:51 PM

Hey guys I was driving on the highway yesterday with M mode on( Power on, D5 and etc.) I pressed the accelerator for about 50% to do an overtake but all of a sudden, the engine power was cutoff! The oil temp dropped significantly and the car itself switched to manual mode. No matter how I pressed the accelerator the engine didn't have any response at all. I immediately pulled over. After around 5 seconds the oil temp gauge went back to normal and the power came back on. I was able to drive off and the car behaved normal afterwards. The strange thing was that the M drive settings were reset to default after the power loss. Has anyone encountered this situation? The car wasn't in reduced power mode since there was no power at all at that moment and there wasn't any warning light. I tried searching the forum but i cant find any case quite like this. Car is running akrapovic evo and ESS tune and I installed the AA green filter two days ago. Any inputs are welcome guys! Thanks in advance!

AlpineE92M3 · 09-12-2014, 02:08 PM

Sounds very odd. I've heard of some experiencing engine cutoff after refueling. Like a small glitch or hiccup stall then everything returns to normal. Did you just refuel prior to this?

///S65 · 09-12-2014, 02:12 PM

Quote:

Originally Posted by AlpineE92M3

Sounds very odd. I've heard of some experiencing engine cutoff after refueling. Like a small glitch or hiccup stall then everything returns to normal. Did you just refuel prior to this?

I refueled the night before so I dont think they are related. It sounds like a software issue since my M drive setting were back to default. But if it's a software bug it should have displayed warning lights.

vividracing · 09-12-2014, 02:16 PM

Sounds like a computer issue. Hope you get it figured out!

///S65 · 09-12-2014, 02:42 PM

Quote:

Originally Posted by vividracing

Sounds like a computer issue. Hope you get it figured out!

Thanks!

Amirsm3 · 09-12-2014, 03:26 PM

How old is your battery?

EDIT: To elaborate further, a lot of electrical gremlins can stem from a weak battery.

///S65 · 09-12-2014, 03:51 PM

Quote:

Originally Posted by Amirsm3

How old is your battery?

EDIT: To elaborate further, a lot of electrical gremlins can stem from a weak battery.

Very very old actually. Car is 2010 and never replaced the battery. I do notice long cranking in the morning. Could the battery be the reason?

JRV · 09-12-2014, 03:57 PM

I'm starting to think my battery maybe going soon. No matter how many times I put in both my keys to charge, if I use any of them keyless, I get a warning about battery needs charging. I find it odd that both my keys would have low battery. Mine is 2011 and battery never replaced. Isn't 3 years the magic number?

BLACK OPS · 09-12-2014, 04:05 PM

If it happens again I would probably remove the tune and have it looked at. Sounds frustrating.

///S65 · 09-12-2014, 06:52 PM

UPDATE:

Guys I plugged in the ess e-flash and diagnosis says faulty code 2B56 and 2B26. Did a quick search it turns out the throttle actuator needs replacement. Will take the car to the dealer tomorrow. Hopefully its covered under Easycare extended warranty. Will keep you guys updated!

///M Power-Belgium · 09-12-2014, 07:01 PM

Quote:

Originally Posted by ///S65

UPDATE:

Guys I plugged in the ess e-flash and diagnosis says faulty code 2B56 and 2B26. Did a quick search it turns out the throttle actuator needs replacement. Will take the car to the dealer tomorrow. Hopefully its covered under Easycare extended warranty. Will keep you guys updated!

How many miles on it ?

radiantm3 · 09-12-2014, 07:18 PM

Quote:

Originally Posted by JRV

I'm starting to think my battery maybe going soon. No matter how many times I put in both my keys to charge, if I use any of them keyless, I get a warning about battery needs charging. I find it odd that both my keys would have low battery. Mine is 2011 and battery never replaced. Isn't 3 years the magic number?

Comfort access keys aren't rechargeable. You need to change the batteries manually. But he was talking about the car battery, not key fob.

///S65 · 09-12-2014, 07:19 PM

Quote:

Originally Posted by ///M Power-Belgium

Quote:

Originally Posted by ///S65

UPDATE:

Guys I plugged in the ess e-flash and diagnosis says faulty code 2B56 and 2B26. Did a quick search it turns out the throttle actuator needs replacement. Will take the car to the dealer tomorrow. Hopefully its covered under Easycare extended warranty. Will keep you guys updated!

How many miles on it ?

53000 miles

///M Power-Belgium · 09-12-2014, 08:13 PM

Quote:

Originally Posted by ///S65

53000 miles

With 53000 on it it's possible the actuator saw on here cases with less on it ,it's a weak part of our S65 and an expensive one .

///S65 · 09-12-2014, 08:20 PM

Quote:

Originally Posted by ///M Power-Belgium

Quote:

Originally Posted by ///S65

53000 miles

With 53000 on it it's possible the actuator saw on here cases with less on it ,it's a weak part of our S65 and an expensive one .

Yea thats true. The throttle actuator and the ICV are prone to fail... I have Easycare extended warranty so hopefully they will cover the cost to fix the problem.

JRV · 09-13-2014, 11:41 AM

Quote:

Originally Posted by radiantm3

Quote:

Originally Posted by JRV

I'm starting to think my battery maybe going soon. No matter how many times I put in both my keys to charge, if I use any of them keyless, I get a warning about battery needs charging. I find it odd that both my keys would have low battery. Mine is 2011 and battery never replaced. Isn't 3 years the magic number?

Comfort access keys aren't rechargeable. You need to change the batteries manually. But he was talking about the car battery, not key fob.

My manual says you have to put in keyhole every now and then to recharge it...at least I remember reading that

Beemdog · 09-13-2014, 05:16 PM

Quote:

Originally Posted by JRV

My manual says you have to put in keyhole every now and then to recharge it...at least I remember reading that

Only if you don't have Comfort Access. The CA fob takes a non-rechargeable CR2032 flat battery.

bspears · 09-13-2014, 06:40 PM

Quote:

Originally Posted by ///S65

UPDATE:

Guys I plugged in the ess e-flash and diagnosis says faulty code 2B56 and 2B26. Did a quick search it turns out the throttle actuator needs replacement. Will take the car to the dealer tomorrow. Hopefully its covered under Easycare extended warranty. Will keep you guys updated!

My 2011 in the shop right now for the same thing.

///S65 · 09-13-2014, 08:15 PM

Quote:

Originally Posted by bspears

Quote:

Originally Posted by ///S65

UPDATE:

Guys I plugged in the ess e-flash and diagnosis says faulty code 2B56 and 2B26. Did a quick search it turns out the throttle actuator needs replacement. Will take the car to the dealer tomorrow. Hopefully its covered under Easycare extended warranty. Will keep you guys updated!

My 2011 in the shop right now for the same thing.

I just dropped the car in the dealership today. Have the technicians found the problem yet? What do they say?

Amirsm3 · 09-13-2014, 10:44 PM

Quote:

Originally Posted by Beemdog

Only if you don't have Comfort Access. The CA fob takes a non-rechargeable CR2032 flat battery.

This.

Not to derail the thread, but these can be bought at any grocery or dollar store for really cheap. I got a 5 pack for 3 bucks and replaced the batteries in the keys when I first got the car.

JRV · 09-13-2014, 10:56 PM

Quote:

Originally Posted by Beemdog

Only if you don't have Comfort Access. The CA fob takes a non-rechargeable CR2032 flat battery.

Ah I see, so it was opposite the whole time lol. So i guess it's telling me the truth about my key fob batts. Thanks and sorry for derailing the thread!!

///S65 · 09-15-2014, 10:58 AM

UPDATE 2:

Guys finally got word from the dealership. Needs to replace DME and Throttle Actuator Bank 2. Quoted $5000 repair fee. Lets see what EasyCare says.

09-12-2014, 01:51 PM	#1
///S65 Second Lieutenant 43 Rep 262 Posts Drives: E92 M3 SSII DCT Join Date: Apr 2013 Location: Indianapolis, IN iTrader: (1)	Sudden loss of power on highway Hey guys I was driving on the highway yesterday with M mode on( Power on, D5 and etc.) I pressed the accelerator for about 50% to do an overtake but all of a sudden, the engine power was cutoff! The oil temp dropped significantly and the car itself switched to manual mode. No matter how I pressed the accelerator the engine didn't have any response at all. I immediately pulled over. After around 5 seconds the oil temp gauge went back to normal and the power came back on. I was able to drive off and the car behaved normal afterwards. The strange thing was that the M drive settings were reset to default after the power loss. Has anyone encountered this situation? The car wasn't in reduced power mode since there was no power at all at that moment and there wasn't any warning light. I tried searching the forum but i cant find any case quite like this. Car is running akrapovic evo and ESS tune and I installed the AA green filter two days ago. Any inputs are welcome guys! Thanks in advance! __________________ 2010 E92 SSII DCT, Akra Evo, ESS Tune, Performance Spolier &Splitter, Edition Side Markers, AD08R
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09-12-2014, 02:08 PM	#2
AlpineE92M3 Currently Driving 269 Rep 1,426 Posts Drives: BPM tuned '13 AW ZCP E92 M3 Join Date: Sep 2012 Location: Rochester, NY iTrader: (9) Garage List 2013 BMW E92 M3 [0.00] 2011 BMW M3 [0.00]	Sounds very odd. I've heard of some experiencing engine cutoff after refueling. Like a small glitch or hiccup stall then everything returns to normal. Did you just refuel prior to this?
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09-12-2014, 02:16 PM	#4
vividracing 689 Rep 6,854 Posts Drives: E90 M3, F30 335i, F80 M3 Join Date: Aug 2006 Location: Arizona iTrader: (14)	Sounds like a computer issue. Hope you get it figured out! __________________ Travis Williams Shop ALL BMW G80 \| G82 Parts Here! 480.966.3040 ext 318 Travisw@vividracing.com PM, Email, or Call Directly for aggressive BMW Member Pricing
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09-12-2014, 03:26 PM	#6
Amirsm3 Brigadier General 514 Rep 3,482 Posts Drives: 2011 Space Grey e90 M3 Join Date: Feb 2014 Location: Williams/Flagstaff, AZ iTrader: (3)	How old is your battery? EDIT: To elaborate further, a lot of electrical gremlins can stem from a weak battery. __________________ 2011 e90 M3 Space Grey DCT ZCP- eAs, BMW Performance, Agency Power, Macht Schnell, iND, Milltek, Volk, Challenge, Stoptech, Ohlins BMWCCA:518970
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09-12-2014, 03:57 PM	#8
JRV Captain 119 Rep 922 Posts Drives: 2011.75 AWE90M3 Join Date: Aug 2008 Location: CT iTrader: (1)	I'm starting to think my battery maybe going soon. No matter how many times I put in both my keys to charge, if I use any of them keyless, I get a warning about battery needs charging. I find it odd that both my keys would have low battery. Mine is 2011 and battery never replaced. Isn't 3 years the magic number? __________________ '11 Black/Black GLK350 (Wife) '19 Black RAM 1500 Big Horn Night Package '11 Loaded AW Fox Red/Black/Black Carbon Leather ZCP E90 M3 (Halloween Delivery)
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09-12-2014, 04:05 PM	#9
BLACK OPS Major 109 Rep 1,102 Posts Drives: E92 M3 6MT Join Date: Sep 2011 Location: CO, USA iTrader: (1)	If it happens again I would probably remove the tune and have it looked at. Sounds frustrating. __________________ 2011.75 Jet Black E92 ///M3: ZCP\|6MT\|FR\|EVOLVE 600 SUPERCHARGER\|DINAN\|BBS\|VORSTEINER\|BMW PERFORMANCE\|IND EDITION\|TMS\|LUX 5K\|
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09-12-2014, 06:52 PM	#10
///S65 Second Lieutenant 43 Rep 262 Posts Drives: E92 M3 SSII DCT Join Date: Apr 2013 Location: Indianapolis, IN iTrader: (1)	UPDATE: Guys I plugged in the ess e-flash and diagnosis says faulty code 2B56 and 2B26. Did a quick search it turns out the throttle actuator needs replacement. Will take the car to the dealer tomorrow. Hopefully its covered under Easycare extended warranty. Will keep you guys updated! __________________ 2010 E92 SSII DCT, Akra Evo, ESS Tune, Performance Spolier &Splitter, Edition Side Markers, AD08R
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09-15-2014, 10:58 AM	#22
///S65 Second Lieutenant 43 Rep 262 Posts Drives: E92 M3 SSII DCT Join Date: Apr 2013 Location: Indianapolis, IN iTrader: (1)	UPDATE 2: Guys finally got word from the dealership. Needs to replace DME and Throttle Actuator Bank 2. Quoted $5000 repair fee. Lets see what EasyCare says. __________________ 2010 E92 SSII DCT, Akra Evo, ESS Tune, Performance Spolier &Splitter, Edition Side Markers, AD08R
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