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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #176  
Old 07-12-2014, 03:48 PM
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bluebee bluebee is offline
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For the crosslinked record, this thread was opened today ...
> E39 (1997 - 2003) > Additives
Quote:
Originally Posted by The doc View Post
What is the best additive for cleaning injectors and throtlebody


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Is there a separate fuse or relay for the front and back doors
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  #177  
Old 07-13-2014, 05:49 AM
4thBMW 4thBMW is offline
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State of the Art Fuel Blending. I use COSTCO

Funny how so much speculation on this site becomes fact and advice. When i worked in the oil refining business years ago, gasoline was formulated with octane additives at the refinery. Today, the COSTCO pumps I fill up at, using gasoline brought in by different fuel distributors, blends in additives at the pump. The ethanol is added as a formulated ratio to meet government spec. The detergent is mixed in at the pump to the vendor's specification automatically, hi-tech metering. I have been very happy with Costco's premium fuel....especially the price.
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  #178  
Old 07-13-2014, 11:31 AM
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Quote:
Originally Posted by 4thBMW View Post
I have been very happy with Costco's premium fuel....especially the price.
Lord knows, I've been known to fill up at the Costco station myself due to the break in price:
- What is the cost differential between 87 & 91 octane AKI (1)

Rest assured, every time I'm there when the tanker comes in (three times a day the attendant told me), I ask WHERE they get their gas.

It turns out that, in San Jose, there are two places where they pick up gas, and, they told me Chevron, Shell, etc., all get gas from the same place that they get their gas from. I'm sure the formulation is different, but the basic ingredient is exactly the same. (Others with detail that a truck driver doesn't have are welcome to pipe in.)

EDIT: Since when did Costco make "top tier"?
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Last edited by bluebee; 07-14-2014 at 04:11 PM.
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  #179  
Old 07-13-2014, 11:37 AM
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Quote:
Originally Posted by Steve530 View Post
Costco plans to build a store near here early next year. I was just curious about how much cheaper they might be. The lowest prices around here seem to be at about $3.18 for regular.
One other thing related to Costco gas prices is that the American Express credit card gives you back, I think, something like 3% on gasoline (depending on your level of membership).

So, 3% on four-dollar gasoline is an additional break of 12 cents per gallon, which isn't much, but, since I buy 70 gallons at a time, that's a break of about two gallons for free in each of my fillups (or roughly about 40 free miles).

This is a screenshot of the gas price at my local Costco today...
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Last edited by bluebee; 07-17-2014 at 11:40 PM.
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  #180  
Old 07-13-2014, 08:18 PM
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chiefwej chiefwej is offline
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FYI: Costco gas is now Top Tier certified.
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Last edited by chiefwej; 07-14-2014 at 12:02 AM.
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  #181  
Old 07-14-2014, 04:21 PM
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Quote:
Originally Posted by chiefwej View Post
FYI: Costco gas is now Top Tier certified.
I just noticed that myself, where the sign above the pump apparently advertises 5 times the required EPA amount of detergents.
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  #182  
Old 07-14-2014, 08:42 PM
taggart taggart is offline
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Quote:
Originally Posted by chiefwej View Post
FYI: Costco gas is now Top Tier certified.
So is ARCO. Anyone brave enough to try it?

As for the Techron, it was the one that started my gas gauge problem. Tank would only read half full on full tank fillup. Funny thing is I tried Techron before and never had problems. Cleaned the contacts underneath the seat which fixed the fuel gauge reading. Didn't try Techron again after that.

Car always runs on Shell V-Power 91.
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  #183  
Old 07-14-2014, 10:10 PM
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Quote:
Originally Posted by taggart View Post
So is ARCO. Anyone brave enough to try it?.
IMHO, gas is gas. So, if ARCO were cheaper than Safeway and/or Costco, I'd try it.

Lately, I've been using Moe's gas.
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  #184  
Old 07-15-2014, 07:51 AM
DHoffmeyer DHoffmeyer is offline
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I thought ARCO in CA was generally regarded as good gas- or maybe in my brain it was good because it was so expensive when I was out there.
Sunoco, Exxon work best in mine. Shell, so far, is worst- also in my brain.


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  #185  
Old 07-15-2014, 08:07 PM
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chiefwej chiefwej is offline
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Quote:
Originally Posted by taggart View Post
So is ARCO. Anyone brave enough to try it?

As for the Techron, it was the one that started my gas gauge problem. Tank would only read half full on full tank fillup. Funny thing is I tried Techron before and never had problems. Cleaned the contacts underneath the seat which fixed the fuel gauge reading. Didn't try Techron again after that.

Car always runs on Shell V-Power 91.
If you are referring to the electrical connector, I don't think any gas additive would any affect on that.
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  #186  
Old 07-15-2014, 10:03 PM
taggart taggart is offline
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Quote:
Originally Posted by bluebee View Post
IMHO, gas is gas. So, if ARCO were cheaper than Safeway and/or Costco, I'd try it.

Lately, I've been using Moe's gas.
My cousin told me about water being mixed in Arco gas hence the trepidation. Don't know if this was true though.
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  #187  
Old 07-15-2014, 10:08 PM
taggart taggart is offline
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Quote:
Originally Posted by DHoffmeyer View Post
I thought ARCO in CA was generally regarded as good gas- or maybe in my brain it was good because it was so expensive when I was out there.
Sunoco, Exxon work best in mine. Shell, so far, is worst- also in my brain.


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Arco is one of the cheapest gas you can find around here at least in LA. Haven't tried it though. Shell is one of the best for my car at least here in socal. Noticeably pulls harder compared to 76. Used to be a 76 user until I tried Shell and never looked back.
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  #188  
Old 07-15-2014, 10:11 PM
taggart taggart is offline
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Quote:
Originally Posted by chiefwej View Post
If you are referring to the electrical connector, I don't think any gas additive would any affect on that.
I agree. Still for the gas gauge to mess up a couple of miles after the Techron treatment makes me wonder if it was at least partially to blame.
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  #189  
Old 07-15-2014, 10:57 PM
Crutzy Crutzy is offline
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Quote:
Originally Posted by taggart View Post
Shell is one of the best for my car at least here in socal. Noticeably pulls harder compared to 76.
Please PM me immediately.
I have a bridge I want to sell you.
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  #190  
Old 07-15-2014, 11:11 PM
taggart taggart is offline
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Quote:
Originally Posted by Crutzy View Post
Please PM me immediately.
I have a bridge I want to sell you.
I can understand the skepticism but to think proprietary additives of different gas brands are exactly the same or gives the same exact results is pretty naive to say the least.
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  #191  
Old 07-16-2014, 08:32 AM
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bluebee bluebee is offline
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Quote:
Originally Posted by taggart View Post
I can understand the skepticism but to think proprietary additives of different gas brands are exactly the same or gives the same exact results is pretty naive to say the least.
What fuel you use is a religious issue.

Me? I'm an atheist. Gas is gas.
You apparently feel much better worshipping the Shell god.
That's fine too.

Whatever makes you/me feel better is the right gas for you/me.

As we've noted, the less a fluid choice matters, the more people latch onto a particular fluid with religious zeal.

See also:
- Fundamental BMW fluids decision-making religious camps (1) and algorithms specific to motor oil selection (1), coolant choice (1), & gasoline dogma (1)
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  #192  
Old 07-16-2014, 09:13 AM
taggart taggart is offline
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Quote:
Originally Posted by bluebee View Post
What fuel you use is a religious issue.

Me? I'm an atheist. Gas is gas.
You apparently feel much better worshipping the Shell god.
That's fine too.

Whatever makes you/me feel better is the right gas for you/me.

As we've noted, the less a fluid choice matters, the more people latch onto a particular fluid with religious zeal.
How so? Just because I base my findings on empirical data makes me a religious zealot? I agree whatever suits you/me is fine.
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  #193  
Old 07-16-2014, 09:31 AM
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bluebee bluebee is offline
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Quote:
Originally Posted by taggart View Post
How so? Just because I base my findings on empirical data makes me a religious zealot? I agree whatever suits you/me is fine.
Let's agree that we're both welcome to buy and use whatever gasoline we want to.

Our main disagreement is that you clearly stated that the "proprietary additives" are meaningful, while I think they're not worth the extra money.

Either way, we're not hurting anything by using whatever gasoline we feel like using, and we are both free to express our opinions.
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  #194  
Old 07-20-2014, 03:02 PM
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bluebee bluebee is offline
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There's a related techron discussion over here today ...
> E46 (1999 - 2006) > Chevron Techron BOGO
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  #195  
Old 07-30-2014, 09:35 AM
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For the record, these are related threads ...
- What is Techron and what does it do in your engine (1)
- What is Seafoam motor treatment and what does it do in your engine (1)
- What is BG44k Fuel System Cleaner and what does it do in your bimmer (1)
- What is Marvel Mystery Oil and what does it do in your bimmer (1)
- What is Zmax and what does it to in an E39 engine? (1)
etc.
  • Techron stuff ==> mostly polyetheramines (surfactants for gas)
  • Seafoam stuff ==> sewing machine oil + naptha + alcohol
  • BGK44 stuff ==> mineral spirits + naptha
  • Marvel Mystery stuff ==> mineral spirits + benzene + naptha
  • zMax "Power" stuff ==> mineral oil + coloring agents
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