Welcome to Bimmerfest -- The #1 Online Community for BMW related information! Please enjoy the discussion forums below and share your experiences with the 200,000 current, new and past BMW owners. The forums are broken out by car model and into other special interest sections such as BMW European Delivery and a special forum to voice your questions to the many BMW dealers on the site to assist our members!

Please follow the links below to help get you started!

Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E90/E91/E92/E93 (2006 - 2013)

E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

Reply
 
Thread Tools Display Modes
  #1  
Old 03-09-2013, 01:55 AM
VegasBMW08 VegasBMW08 is offline
Registered User
Location: Las Vegas
 
Join Date: Mar 2013
Posts: 1
Mein Auto: 2008 335i
Engine Malfunction Light caused by 87 octane gas?

I lent my car to a friend and they filled my 2008 335i with regular gas. Soon after, if I rev it up before it gets warmed up the Engine Malfunction! Reduced power error message comes up. I've been through four tanks since then and it's still happening. Another friend said that the lower octane may have caused crud on the pistols causing them to skip and cause the error and said an octane booster should help burn it off. It's been cold here so my usual commute isn't getting it hot enough? Another idea could be the fuel pump is causing it. Thoughts?
Reply With Quote
Advertisement
  #2  
Old 03-09-2013, 02:03 AM
BashedBarrique BashedBarrique is offline
Officially Welcomed to the 'Fest
Location: Carmel Indiana
 
Join Date: Jan 2013
Posts: 729
Mein Auto: 2006 325i
If you use low octane fuel your car's engine management system will just retard the timing to prevent pre-ignition (knocking) which will just slightly decrease engine horsepower and fuel economy, in some situations.

Here is a quote from a BMW spokesperson on the topic.

"Thomas Plucinsky, BMW Product and Technology Communications Manager told us all BMW engines are designed to run on 91 octane. All performance testing, including EPA emissions and fuel mileage, is done with 91 octane. However, though BMW is all about performance, their motors will run on 89 or 87 octane without damage. The knock sensors pull the ignition timing back and eliminate detonation. There will be a loss of power and a decrease in fuel mileage, but the size of the horsepower loss and the increase in fuel consumption depends upon many factors, such as ambient temperature, exact formulation of the fuel and driving technique, so BMW does not offer any estimates for operation on lower grade fuels. One not so obvious concern, Mr. Plucinsky noted, is the type and quality of additives the gasoline companies include in the fuel. Premium gasolines may have better additive packages which are more effective keeping fuel systems (particularly injectors) clean and working efficiently, than those in regular grade fuels or off-brand products. Using lower octane or off-brand fuel could be degrading the fuel system over time, setting you up for a repair bill down the line."

So I doubt your issue is octane related. Probably just a coincidence unless the tank of fuel had other issues, such as other contaminants.

Last edited by BashedBarrique; 03-09-2013 at 02:05 AM.
Reply With Quote
  #3  
Old 03-09-2013, 06:29 AM
CALWATERBOY's Avatar
CALWATERBOY CALWATERBOY is offline
Officially Welcomed to the 'Fest
Location: San Francisco
 
Join Date: Aug 2009
Posts: 10,007
Mein Auto: 2009 E93 N54
Quote:
Originally Posted by VegasBMW08 View Post
I lent my car to a friend and they filled my 2008 335i with regular gas. Soon after, if I rev it up before it gets warmed up the Engine Malfunction! Reduced power error message comes up. I've been through four tanks since then and it's still happening. Another friend said that the lower octane may have caused crud on the pistols causing them to skip and cause the error and said an octane booster should help burn it off. It's been cold here so my usual commute isn't getting it hot enough? Another idea could be the fuel pump is causing it. Thoughts?

Ummmmmm.

Mileage?
Reply With Quote
  #4  
Old 03-09-2013, 06:43 AM
mr_bean mr_bean is offline
Officially Welcomed to the 'Fest
Location: NJ
 
Join Date: Mar 2009
Posts: 698
Mein Auto: 2000 328i
The 335 requires 89 or higher (The N52 engine can handle 87). If your friend put 87 in the tank, then it might cause all sorts of issues like you describe.
Siphon out the tank, refill with the good stuff and never lend your car to this friend again.
Reply With Quote
  #5  
Old 03-09-2013, 06:51 AM
MMME30W's Avatar
MMME30W MMME30W is online now
Super Moderator
Location: On The Move
 
Join Date: Jul 2003
Posts: 14,219
Mein Auto: 2009 W906
Quote:
Originally Posted by mr_bean View Post
The 335 requires 89 or higher (The N52 engine can handle 87). If your friend put 87 in the tank, then it might cause all sorts of issues like you describe.
Siphon out the tank, refill with the good stuff and never lend your car to this friend again.
Probably short of taking it in to a qualified mechanic this is probably the best option. At least eliminate the gas as a potential source of the problem.

Oh and +1 on never lending your car again.
__________________
“Character is doing the right thing when nobody’s looking. There are too many people who think that the only thing that’s right is to get by, and the only thing that’s wrong is to get caught.”

- J.C. Watts Jr.
Reply With Quote
  #6  
Old 03-09-2013, 07:19 AM
CALWATERBOY's Avatar
CALWATERBOY CALWATERBOY is offline
Officially Welcomed to the 'Fest
Location: San Francisco
 
Join Date: Aug 2009
Posts: 10,007
Mein Auto: 2009 E93 N54
Quote:
Originally Posted by mr_bean View Post
The 335 requires 89 or higher (The N52 engine can handle 87). If your friend put 87 in the tank, then it might cause all sorts of issues like you describe.
Siphon out the tank, refill with the good stuff and never lend your car to this friend again.

Easily missed: 4 tanks since faux pas.

I say OP reads codes; gets skinny on what ECU's thinkin'.
Reply With Quote
  #7  
Old 03-09-2013, 08:23 AM
lqaddict's Avatar
lqaddict lqaddict is offline
Salz und Pfeffer
Location: NYC
 
Join Date: Dec 2006
Posts: 925
Mein Auto: 2014 F22 M235i
Quote:
Originally Posted by VegasBMW08 View Post
I lent my car to a friend and they filled my 2008 335i with regular gas. Soon after, if I rev it up before it gets warmed up the Engine Malfunction! Reduced power error message comes up. I've been through four tanks since then and it's still happening. Another friend said that the lower octane may have caused crud on the pistols causing them to skip and cause the error and said an octane booster should help burn it off. It's been cold here so my usual commute isn't getting it hot enough? Another idea could be the fuel pump is causing it. Thoughts?
Next time tell your friends hit the enterprise-rent-a-car.
Bring it Amazon to read the obd2 codes if any, and take it from there.
__________________
BMW CCA Member 454031
Save the manuals
Reply With Quote
  #8  
Old 03-09-2013, 12:18 PM
BashedBarrique BashedBarrique is offline
Officially Welcomed to the 'Fest
Location: Carmel Indiana
 
Join Date: Jan 2013
Posts: 729
Mein Auto: 2006 325i
Quote:
Originally Posted by mr_bean View Post
The 335 requires 89 or higher (The N52 engine can handle 87). If your friend put 87 in the tank, then it might cause all sorts of issues like you describe.
Siphon out the tank, refill with the good stuff and never lend your car to this friend again.
As CALWATERBOY pointed out, the car has gone through four tanks of higher octane fuel since the time of the 87 octane tank.

Also while the 335i is turbocharged, and therefore more likely to experience detonation, the engine management system would detect any knocking and retard the timing just like in the N52 non-turbo engine, thus preventing any engine damage.

The poster didn't mention any knocking in any event so just how do you imagine the low octane fuel has caused any problem?
Reply With Quote
  #9  
Old 03-09-2013, 12:40 PM
Pilgrim Pilgrim is offline
Officially Welcomed to the 'Fest
Location: Fort Collins, CO
 
Join Date: Aug 2006
Posts: 490
Mein Auto: 2009 328iX Coupe
I think you're just guessing until you read codes. It's possible that there was a coincidence of timing, as four tanks of gas between then and now should have resolved any gas issues.

Instead of guessing, I think you need to get real information.
__________________
1983 Datsun 280ZX Turbo
2009 BMW 328iX Coupe
2007 Nissan Murano
Reply With Quote
  #10  
Old 03-09-2013, 01:00 PM
BashedBarrique BashedBarrique is offline
Officially Welcomed to the 'Fest
Location: Carmel Indiana
 
Join Date: Jan 2013
Posts: 729
Mein Auto: 2006 325i
Quote:
Originally Posted by Pilgrim View Post
I think you're just guessing until you read codes. It's possible that there was a coincidence of timing, as four tanks of gas between then and now should have resolved any gas issues.

Instead of guessing, I think you need to get real information.

What he said.
Reply With Quote
  #11  
Old 03-09-2013, 07:50 PM
pointandgo's Avatar
pointandgo pointandgo is offline
Officially Welcomed to the 'Fest
Location: Los Angeles area
 
Join Date: Apr 2010
Posts: 4,827
Mein Auto: '13 F10 535i (loaner)
Quote:
Originally Posted by VegasBMW08 View Post
I lent my car to a friend and they filled my 2008 335i with regular gas. Soon after, if I rev it up before it gets warmed up the Engine Malfunction! Reduced power error message comes up. I've been through four tanks since then and it's still happening. Another friend said that the lower octane may have caused crud on the pistols causing them to skip and cause the error and said an octane booster should help burn it off. It's been cold here so my usual commute isn't getting it hot enough? Another idea could be the fuel pump is causing it. Thoughts?
It's difficult to believe that ONE tank of "regular" gas (octane not mentioned) would cause this much of a problem.
__________________
F30 328i
E90 328i
E92 335i 6MT
E46 M3 6MT
E39 528i 5MT
MBz W140 S320
MBz W124 300E (slammed)
(unmentionables in between)
'71 AMC Javelin (4-Spd Stick on the floor)
'67 Pontiac Firebird 'cabrio' (1st car - "the leaker")
------------------------------------------------------------------------
Member: BMW CCA
Reply With Quote
  #12  
Old 03-10-2013, 05:39 AM
Zooks527's Avatar
Zooks527 Zooks527 is offline
Officially Welcomed to the 'Fest
Location: Mansfield, MA
 
Join Date: Mar 2009
Posts: 3,853
Mein Auto: 2009 335i xDrive coupe
Quote:
Originally Posted by lqaddict View Post
Next time tell your friends hit the enterprise-rent-a-car.
Bring it Amazon to read the obd2 codes if any, and take it from there.
Amazon, AutoZone, whatever.
__________________
2009 335i xDrive coupe, Jet Black, Black Leather, Grey Poplar, Steptronic, ZPP, ZSP, ZCW, iPod/USB, HD radio, Parking Assist. Rear Fogs, Hardwire V1, ProFit G3.
ED May 12, 2009, Munich dropoff May 16, Redelivery June 22, 2009




Prior 33 years of cars: 1967 BelAir wagon / 1968 LeMans Tempest / 1970 Mustang Mach 1 / 1972 El Dorado / 1978 Corvette (kept until first Bronco) / 1981 Subaru GL wagon AWD / 1983 s10 Blazer 4x4 (big mistake) / 1985 Bronco 4x4 / 1996 Bronco 4x4 / 2004 Passat 4motion
Reply With Quote
  #13  
Old 03-10-2013, 06:53 AM
CALWATERBOY's Avatar
CALWATERBOY CALWATERBOY is offline
Officially Welcomed to the 'Fest
Location: San Francisco
 
Join Date: Aug 2009
Posts: 10,007
Mein Auto: 2009 E93 N54
Quote:
Originally Posted by lqaddict View Post
Next time tell your friends hit the enterprise-rent-a-car.
Bring it Amazon to read the obd2 codes if any, and take it from there.

A good step, LQ, but generic codes go only so far....OP needs the full range of shadow, hidden, and BMW proprietary codes. Lacking a GT1, BT Cable highly recommended.

OP - any competent BMW indy can read your codes if you've no cable.
Reply With Quote
  #14  
Old 03-10-2013, 12:09 PM
Firebirdof06 Firebirdof06 is offline
Registered User
Location: USA
 
Join Date: Dec 2012
Posts: 38
Mein Auto: 2010 E92 335i xDrive
Isn't there a sticker on the tank that says "PREMIUM GAS ONLY".

Not a very observant friend :/
Reply With Quote
  #15  
Old 03-23-2013, 06:10 AM
kmorgan_260 kmorgan_260 is offline
Officially Welcomed to the 'Fest
Location: Salem, WV
 
Join Date: Jul 2010
Posts: 750
Mein Auto: 1997 528i
I have had this problem a couple of times (code P0015) and octane booster cures it immediately. My Indy says low octane is one of the absolute worst things you can do to an engine that is designed to run on premium. Maybe the newer engine management systems can compensate better but he says most of the head gasket issues he sees on the M52, M54 engines is due to someone running them always on 87 gas.
__________________

94 318I (Daughter's car), 96 740IL(current project), 97 528I(DD), 07 335I(Son's car)
Reply With Quote
  #16  
Old 03-23-2013, 07:59 AM
Bill-SD's Avatar
Bill-SD Bill-SD is offline
Officially Welcomed to the 'Fest
Location: Bay Area
 
Join Date: Feb 2002
Posts: 3,557
Mein Auto: 2007 335i Coupe
Quote:
Originally Posted by pointandgo View Post
It's difficult to believe that ONE tank of "regular" gas (octane not mentioned) would cause this much of a problem.
Very difficult to believe!
__________________
E92 335i - Monaco Blue/Saddle
F30 328i - Alpine While/Black|SportLine
Reply With Quote
  #17  
Old 03-23-2013, 08:16 AM
Greyfox Greyfox is offline
Registered User
Location: USA
 
Join Date: Nov 2012
Posts: 30
Mein Auto: BMW
If your buddy filled it up with 87 Octane from a "discount" unbranded fuel station, then you definately need to get it somewhere to check out the codes. Unbranded fuels are sold to discount service stations and are from where refineries flush out pipes when switching fuels or cleaning the pipes. Ie you might get 87 octane fuel with a touch of diesel mixed in or particulate matter.
Reply With Quote
  #18  
Old 03-23-2013, 11:50 AM
Bill-SD's Avatar
Bill-SD Bill-SD is offline
Officially Welcomed to the 'Fest
Location: Bay Area
 
Join Date: Feb 2002
Posts: 3,557
Mein Auto: 2007 335i Coupe
As others have suggested, read the codes and find out what the problem is. 87 octane isn't recommended, but a tank of it isn't the end of the world as some might think.
__________________
E92 335i - Monaco Blue/Saddle
F30 328i - Alpine While/Black|SportLine
Reply With Quote
  #19  
Old 03-23-2013, 12:43 PM
Tom K. Tom K. is offline
Officially Welcomed to the 'Fest
Location: Maryland
 
Join Date: May 2008
Posts: 2,609
Mein Auto: '07 328iT.'13 Boxster
Quote:
Originally Posted by Greyfox View Post
If your buddy filled it up with 87 Octane from a "discount" unbranded fuel station, then you definately need to get it somewhere to check out the codes. Unbranded fuels are sold to discount service stations and are from where refineries flush out pipes when switching fuels or cleaning the pipes. Ie you might get 87 octane fuel with a touch of diesel mixed in or particulate matter.
Nonsense. I've been running unbranded (either 93 or 87 octane) in 5 different BMWs over the past 15 years with no problems whatsoever.

As a matter of fact, the higher turnover rate at many cut rate outlets often results in fresher fuel.

Tom
Reply With Quote
  #20  
Old 03-23-2013, 02:34 PM
BashedBarrique BashedBarrique is offline
Officially Welcomed to the 'Fest
Location: Carmel Indiana
 
Join Date: Jan 2013
Posts: 729
Mein Auto: 2006 325i
Quote:
Originally Posted by Tom K. View Post
Nonsense. I've been running unbranded (either 93 or 87 octane) in 5 different BMWs over the past 15 years with no problems whatsoever.

As a matter of fact, the higher turnover rate at many cut rate outlets often results in fresher fuel.

Tom
Yep, there are only a handful of different wholesale refiners and their blends are highly regulated. After distribution from these wholesale refiners some brands have a slightly higher Ethanol content and may give slightly poorer fuel economy and some have slightly different additive packages.

But gas is gas is gas.
Reply With Quote
  #21  
Old 03-23-2013, 08:12 PM
pointandgo's Avatar
pointandgo pointandgo is offline
Officially Welcomed to the 'Fest
Location: Los Angeles area
 
Join Date: Apr 2010
Posts: 4,827
Mein Auto: '13 F10 535i (loaner)
Quote:
Originally Posted by Tom K. View Post
Nonsense. I've been running unbranded (either 93 or 87 octane) in 5 different BMWs over the past 15 years with no problems whatsoever.

As a matter of fact, the higher turnover rate at many cut rate outlets often results in fresher fuel.

Tom
Same with me, Tom. I'm running 87 in my 328i and once in a while put 89 in it...no "disasters" yet. Been doing it for 1.5 years. Ran the car up to Mammoth Mt. last year (10,000' elevation) and never heard any "knocking."
__________________
F30 328i
E90 328i
E92 335i 6MT
E46 M3 6MT
E39 528i 5MT
MBz W140 S320
MBz W124 300E (slammed)
(unmentionables in between)
'71 AMC Javelin (4-Spd Stick on the floor)
'67 Pontiac Firebird 'cabrio' (1st car - "the leaker")
------------------------------------------------------------------------
Member: BMW CCA
Reply With Quote
  #22  
Old 03-23-2013, 10:49 PM
sptt144 sptt144 is offline
Officially Welcomed to the 'Fest
Location: Orange County, Ca.
 
Join Date: Aug 2012
Posts: 1,155
Mein Auto: 2009 335i
I have ran a couple tanks of 87 through mine due to 91 being out??? Geez...thanks Orange County! '09 335i...no issues. I run some Techron and octane booster through it once in a while. It might be snake oil but I feel like I re-paid my poor engine somehow.
Reply With Quote
  #23  
Old 03-24-2013, 09:45 AM
Greyfox Greyfox is offline
Registered User
Location: USA
 
Join Date: Nov 2012
Posts: 30
Mein Auto: BMW
Several of you understand that unbranded gas is gasoline that is sold at a discount because it does not meet the standard set for clean gasoline? Why? Because out of a "55" gallon drum of crude oil you get....

Gasoline - 20 to 30%
Fuel Oil-diesel - 17 to 24%
Jet Fuel / Kerosene- 8 to 12%
Heavy Oils- Liquids - 10 - 14%
Coke, Lubricants - 3 - 6%
Naphta and lighter condensates - 2 to 10%

Ya'll actually think that unbranded 87 octane fuel doesn't have other stuff mixed in? And I really don't care what you think about octane boosts or fuel cleaners. They don't clean your fuel filter.
Reply With Quote
  #24  
Old 03-24-2013, 12:37 PM
Bill-SD's Avatar
Bill-SD Bill-SD is offline
Officially Welcomed to the 'Fest
Location: Bay Area
 
Join Date: Feb 2002
Posts: 3,557
Mein Auto: 2007 335i Coupe
Hmmm......
__________________
E92 335i - Monaco Blue/Saddle
F30 328i - Alpine While/Black|SportLine
Reply With Quote
  #25  
Old 03-24-2013, 01:21 PM
pointandgo's Avatar
pointandgo pointandgo is offline
Officially Welcomed to the 'Fest
Location: Los Angeles area
 
Join Date: Apr 2010
Posts: 4,827
Mein Auto: '13 F10 535i (loaner)
I have been assured by my favorite private gas station: "Bob & Shirley's Fuel & Food" that their gas meets all government requirements for "combustion." Their motto is: Ya'll come in, we'll git ya goin again."

My rental is running like a top.
__________________
F30 328i
E90 328i
E92 335i 6MT
E46 M3 6MT
E39 528i 5MT
MBz W140 S320
MBz W124 300E (slammed)
(unmentionables in between)
'71 AMC Javelin (4-Spd Stick on the floor)
'67 Pontiac Firebird 'cabrio' (1st car - "the leaker")
------------------------------------------------------------------------
Member: BMW CCA
Reply With Quote
Reply

Bookmarks

Tags
2008, 335i, engine malfunction, low octane gas


Forum Navigation
Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E90/E91/E92/E93 (2006 - 2013)
Today's Posts Search
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On



Forum Jump


All times are GMT -7. The time now is 04:39 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
© 2001-2011 performanceIX, Inc. All Rights Reserved .: guidelines .:. privacy .:. terms