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7 Series - E65 / E66 (2002 - 2008)
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  #1  
Old 08-28-2012, 11:26 AM
FLEXAMILLION FLEXAMILLION is offline
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Bmw fuel system cleaner

Hesitation and start up issues started..... Wasn't sure what the problem was.... Went to bmw and purchased the bmw fuel system cleaner and now the car has great performance and starts right up!!!!! Also, from now on, I will only fill up with "Chevron with Techron".

Last edited by FLEXAMILLION; 08-28-2012 at 11:30 AM.
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  #2  
Old 08-28-2012, 12:57 PM
chrisrees chrisrees is offline
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I did that too to help with the rough idle when reversing or sitting at a light. It helps clean out the carbon build out. Turns out for me it's going to need a new eccentric shaft. The cleaner is helping for now. Warranty wont replace until it generates a fault code.
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  #3  
Old 08-28-2012, 02:05 PM
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the BMW fuel system cleaner will probably help all 7-series greatly, but if the idle does get a bit rough and is blamed on the excentric shafts, I'd look into having the whole VANOS system checked out and as well invest in a better oil with some cleaning abilities.
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  #4  
Old 09-03-2012, 06:27 AM
jcharris jcharris is offline
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I saw you metioned filling up only at Chevron, do you use premium?
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  #5  
Old 09-03-2012, 08:05 AM
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roadfrog roadfrog is offline
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Cleaning the MAF sensor will also be a good idea. Made an amazing difference in both our cars.
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  #6  
Old 09-03-2012, 10:40 AM
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TXSTYLE TXSTYLE is offline
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Thumbs up

Look no further than THIS:

One bottle every month for my chariot!

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  #7  
Old 09-03-2012, 02:11 PM
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First_745Li First_745Li is offline
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Quote:
Originally Posted by TXSTYLE View Post
Look no further than THIS:

One bottle every month for my chariot!

+1 I've used this in my 7 and my 3 series and I noticed the difference in both.

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  #8  
Old 09-19-2012, 11:32 AM
vernon3rdw vernon3rdw is offline
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Hey Ive seen this how soon before you notice a change in your performance?

every so often ill get a slight hesitation but ive have noticed that when i want to open it up on some days (the car) i feel like im missing some horses
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  #9  
Old 09-25-2012, 11:42 PM
Tommy_statefarm Tommy_statefarm is offline
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Quote:
Originally Posted by TXSTYLE View Post
Look no further than THIS:

One bottle every month for my chariot!



This is the stuff.. I just use it the other day on my 750 man its a big different but the pleasure is only good for a few days..


come anyone tell why and what else would be good to clean up everything in there.
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  #10  
Old 03-08-2013, 09:29 AM
vk535i vk535i is offline
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Originally Posted by Tommy_statefarm View Post
This is the stuff.. I just use it the other day on my 750 man its a big different but the pleasure is only good for a few days..


come anyone tell why and what else would be good to clean up everything in there.
I am about to buy some of these lucas fuel treatment but I don't know How often to use the Lucas Fuel treament ? every 5Kmile or 10k miles etc ?
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  #11  
Old 10-20-2012, 11:17 AM
chrisrees chrisrees is offline
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Quote:
Originally Posted by TXSTYLE View Post
Look no further than THIS:

One bottle every month for my chariot!

So I just bought this yesterday since I've had rough idle, rough start, and a ticking/clicking noise from the engine.

All I have to say, ALL GONE. Nice smooth start, accelerates smooth, no ticking noises. Great post thank you!!!!
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  #12  
Old 09-03-2012, 12:49 PM
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' ELIMINATES NEED FOR HIGH OCTANE FUEL '
how's this possible , this is jus a system cleaner NOT a octane booster ??
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  #13  
Old 09-07-2012, 03:56 PM
rkruz rkruz is offline
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' ELIMINATES NEED FOR HIGH OCTANE FUEL '
how's this possible , this is jus a system cleaner NOT a octane booster ??
that a great point. Manual says 91 octane recommended. Does this additive mean I could use mid grade gas of 89 octane for the next 10k miles after using it? Normal premium is 93 octane at pump.
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  #14  
Old 09-03-2012, 03:28 PM
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+1 I've used this in my 7 and my 3 series and I noticed the difference in both.

Indeed!

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  #15  
Old 09-03-2012, 05:48 PM
FLEXAMILLION FLEXAMILLION is offline
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Thanks to all that posted.... Great feedback and info...
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  #16  
Old 09-03-2012, 05:56 PM
FLEXAMILLION FLEXAMILLION is offline
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@jcharris.... Yes premium... Chevron and Texaco. These gas brands are the only ones that have Techron mixed in the fuel. Also, Chevron rates their gas standards base on BMW's engines performance..
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  #17  
Old 09-04-2012, 06:27 AM
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Originally Posted by FLEXAMILLION View Post
@jcharris.... Yes premium... Chevron and Texaco. These gas brands are the only ones that have Techron mixed in the fuel. Also, Chevron rates their gas standards base on BMW's engines performance..
I'll have to switch to Chevron or Texaco, I've always used BP b/c they are closer. I didn't realize that brand made a difference when it came to our cars. Gotta treat the lady right..
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  #18  
Old 03-09-2013, 07:24 AM
FLEXAMILLION FLEXAMILLION is offline
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most def...
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  #19  
Old 09-03-2012, 06:08 PM
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wjjklj wjjklj is online now
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Quote:
Originally Posted by TXSTYLE View Post
Look no further than THIS:

One bottle every month for my chariot!

I swear by this stuff also +1.
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  #20  
Old 09-04-2012, 12:13 AM
jcharris jcharris is offline
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@ Flexamillion, thanks man.
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  #21  
Old 09-04-2012, 03:22 AM
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So Chevron is better for our cars than Shell 93 V-power? Shell is much closer to my home than Chevron which is like all the way across town.
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  #22  
Old 09-04-2012, 02:49 PM
FLEXAMILLION FLEXAMILLION is offline
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Yes. Chevron or Texaco is better for our fuel systems in BMW's.... Remember, Its mostly the "TECHRON" that you really want in the gas. The BMW service depts. have the bottle of fuel system cleaner available also . The main words on the front of the bottle is "TECHRON". So definatly for overall performance, Chevron or Texaco with Techron...

Hope this helps!!
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  #23  
Old 09-04-2012, 03:33 PM
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csmeance csmeance is offline
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Be careful with that lucas stuff! It has a large amount of detergents that can damage sensors and seals over time! Redline SI-1 Fuel cleaner doesn't have that level of detergents but instead uses another compound that cleans without damaging other components! Source: Bobistheoilguy forums
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  #24  
Old 09-05-2012, 04:15 AM
Tiz Tiz is offline
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Originally Posted by csmeance View Post
Be careful with that lucas stuff! It has a large amount of detergents that can damage sensors and seals over time! Redline SI-1 Fuel cleaner doesn't have that level of detergents but instead uses another compound that cleans without damaging other components! Source: Bobistheoilguy forums
Many moon ago I owned a Ford Crown Victorian and I was an avid Lucas user but I've heard a lot of horror stories lately about Lucas in various vehicles. I'm sure for some it works and others not so much. I'm sure others may have had other factos that caused the gremlins to surface. Anyhow, I decided to go with Redline in my Dodge Charger and honestly I'm a skeptical guy but it seems to have improved it's overall performance. I use to have a small hiccup when punching it heavy on the highway but after adding the Redline it's completely disappeared. Although I've experienced great results in my American Muscle I am terrified about putting any of this stuff in my 750. I've been experiencing a rough idle here and there and was told by an indy that this may clear it up but still.. Tossing and turning on this one fellas, these cars are beautiful yet fragile and EXPENSIVE to repair. Dunno if I wanna take the risk but if I did I'd go with the Redline.
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  #25  
Old 09-12-2012, 09:57 AM
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B7M4W5 B7M4W5 is offline
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Quote:
Originally Posted by csmeance View Post
be careful with that lucas stuff! It has a large amount of detergents that can damage sensors and seals over time! Redline si-1 fuel cleaner doesn't have that level of detergents but instead uses another compound that cleans without damaging other components! Source: Bobistheoilguy forums
Yes I do agree on this I use to use it myself aswell once a month then started to have problems so I had to give it a fuel system cleaning then replace fuel filter just incase. That help smoother reaction
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