Wanna know How accurate you BMW computer is
#21
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Originally Posted by Yoko' post='519027' date='Jan 16 2008, 11:27 PM
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Agree with ya.
Before I decided to change my gas from chevron to shell.
I called the Service agent from BMW Seattle. And, He said
"Make sure you fill your tank with the new gas when it's nearly empty.
that will give you more positive benefits in the future."
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Dad (well more precisely mum) let his Porsche 911 get to 'silly low fuel'. As a result of this minor occurance it completely fucked about with the engine which resulted in more than 1 trip to the garage. All the crap at the bottom of the tank clogged things up and ended up costing a small fortune to fix.
Incidently I didn't think you were mean to switch it into Neutral in an auto. I was told this puts serious amounts of strain on the autobox when you reengage drive?
Incidently I didn't think you were mean to switch it into Neutral in an auto. I was told this puts serious amounts of strain on the autobox when you reengage drive?
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Originally Posted by Bimmer32' post='519039' date='Jan 16 2008, 11:44 PM
This thread is about justifying procrastination. Period.
I did, however, have occasion to drive about 5 miles past "0" on the RANGE indication...I should add that I was EXTREMELY nervous
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On the fuel pump. I doesn't matter how much fuel is in the tank, the pickup point for the fuel is in a small "trough" at the bottom of the tank (at least it is on an E34...may be different of E60). This why when you have very little fuel in the tank, the sloshing around of the fuel does not starve the pump...the small trough remains completely full until you get below about 1 quart or so of fuel. It is in this trough that debris will gather and be filtered before be sucked into the pump...as the pickup for the pump actually has a very fine filter/screen on it. Again, I can't speak specifically to the E60, but the E34 pump is mounted inside the fuel tank and uses the fuel as coolant for the pump. On the E34, the pump is actually mounted in a bracket, which is loacted towards the very bottom of the tank, so the pump doesn't begin to get uncovered with fuel until probably about 2 - 3 gallon left in tank. Does anyone know how the E60 pump is mounted...is it also towards the very bottom of the tank.
Like most, I prefer to stop for gas as infrequently as possible, but I will do as I did with the E34, which fuel pump lasted 155,000 miles...drive it until 1/8 tank or less...the fill up...repeat.
Lastly, related to all this discussion...not to insult anybody...but I'm sure you all realize that when the fuel pump stops working, your car stops running...you've essentially "run out of gas"...something to keep in mind.
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#25
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Doing a risk/reward analysis... the risk of running out of gas is way beyond the reward of passing an extra gas station or two before filling up. Especially if it's 5 degrees outside, out of a cell service area, raining, on a highway with no breakdown area, etc.
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Originally Posted by Russ1974' post='518651' date='Jan 16 2008, 04:16 AM
In regards to "why let it get so low" ... my question back is "why not?". If you fill up everytime it gets to 40 miles, and assuming you get 500 miles out of a tank, that means you fill up your car approximatey 11 times for every 10 times I fill mine. Assuming driving to the garage, filling, paying, getting back on your route takes 15 minutes, and assuming you fill up three times a month, that means you spend 45 minutes at the garage more than me a month. That's 540 minutes, or 9 hours a year. I am 33 years old. I assume I will live and drive until I am at least 80. If I were to fill up at 40 instead of 0 miles, I would have wasted 423 hours, or 17.6 days of my life, at garages putting fuel in my car.
THAT'S why I let it get so low![Wink](https://5series.net/forums/images/smilies/imported/wink.gif)
THAT'S why I let it get so low
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If I fill up 3 times a month, taking me 45 minutes, how often would you fill up?
I suppose that for every 36 fill-ups I do a year, you'd do 10/11 * 36 = 32.73 fill-ups. So you save 3.27 fill-ups a year. Time saved is 49 minutes a year, not 45 a month! Or 1.6 days per lifetime. I'm sorry, but out of the 17.6 days you'd hoped to save, correct math just cost you 16.
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The time saved really does not weigh up against 1) the risk of running empty and 2) the risk of damages to the car.
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Originally Posted by boukehj' post='519274' date='Jan 17 2008, 09:28 PM
Did nobody notice the flaw in Russ's calculation?
If I fill up 3 times a month, taking me 45 minutes, how often would you fill up?
I suppose that for every 36 fill-ups I do a year, you'd do 10/11 * 36 = 32.73 fill-ups. So you save 3.27 fill-ups a year. Time saved is 49 minutes a year, not 45 a month! Or 1.6 days per lifetime. I'm sorry, but out of the 17.6 days you'd hoped to save, correct math just cost you 16.
The time saved really does not weigh up against 1) the risk of running empty and 2) the risk of damages to the car.
If I fill up 3 times a month, taking me 45 minutes, how often would you fill up?
I suppose that for every 36 fill-ups I do a year, you'd do 10/11 * 36 = 32.73 fill-ups. So you save 3.27 fill-ups a year. Time saved is 49 minutes a year, not 45 a month! Or 1.6 days per lifetime. I'm sorry, but out of the 17.6 days you'd hoped to save, correct math just cost you 16.
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The time saved really does not weigh up against 1) the risk of running empty and 2) the risk of damages to the car.
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Originally Posted by steve_gus' post='519280' date='Jan 17 2008, 04:56 PM
Dont forget to add to that the time spent waiting for a tow truck, and taking your car for repairs if you fook it up!
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#29
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Originally Posted by Allen' post='519147' date='Jan 17 2008, 09:49 AM
Actually I think this thread is about educating people about how far past "0" you can drive your car. Who cares WHY people do it...what does that have to do with anything? I personally think that it is very useful information to know how far you can drive past the "0" indication. Do I plan to do it...no. Do I feel the need to justify it to anyone if I do decide to do it...no.
I did, however, have occasion to drive about 5 miles past "0" on the RANGE indication...I should add that I was EXTREMELY nervous
Luckily, I had no problems, and filled the tank to the top with 18.0 gallons...so I guess I had 0.5 gallons (about 10 miles to go) before running out. I am very happy to know this information.
I did, however, have occasion to drive about 5 miles past "0" on the RANGE indication...I should add that I was EXTREMELY nervous
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What's the reason for this information? It's good fun discussion, but this information will be used for "oh . . . I got a couple of more miles, so I'm not nervous. The pump can wait until I get to the next gas station." To me, that's procrastination.
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No, no one has to justify anything when it's subliminal or unconscious.
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