E60 m5 in forfeiture for 3 years - BMW M5 Forum and M6 Forums
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post #1 of 16 Old 13th February 2017, 02:46 PM Thread Starter
Jhollywood420
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E60 m5 in forfeiture for 3 years

I get my baby back in 2 weeks! It was stored in their warehouse, so at least they didn't leave it outside. My question is...Can i start the car with the 3 year old fuel? If I need to drain it, is my best bet to do so through the fuel pump? Any other advice on what I should do before starting? I purchased new tires 2 weeks before it was seized. Are the tires going to be bad? I am so excited to get it back, but I definitely don't want to ruin the car by being hasty.
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post #2 of 16 Old 13th February 2017, 03:41 PM
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If it was me, I'd hand turn the engine a couple of times via the crank pulley bolt and then disconnect the injector clips and crank it over for about 5-6 seconds. This is on the assumption that there's oil in there and you have the means to get power to the battery etc or you have a jump pack.

Old fuel....not ideal, but as long as you take it easy and don't load up the motor, you'll be fine until you can get it to a gas station.

Tyres, yes they'll most likely be a little out of round, depending on how they were stored, but thats something you can address once you get home Engine/Tranny are the important bits.

Good luck

Last edited by Celicasaur; 13th February 2017 at 03:41 PM. Reason: spelling error
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post #3 of 16 Old 13th February 2017, 04:34 PM Thread Starter
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Thanks for the advice

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Originally Posted by Celicasaur View Post
If it was me, I'd hand turn the engine a couple of times via the crank pulley bolt and then disconnect the injector clips and crank it over for about 5-6 seconds. This is on the assumption that there's oil in there and you have the means to get power to the battery etc or you have a jump pack.

Old fuel....not ideal, but as long as you take it easy and don't load up the motor, you'll be fine until you can get it to a gas station.

Tyres, yes they'll most likely be a little out of round, depending on how they were stored, but thats something you can address once you get home Engine/Tranny are the important bits.

Good luck
By disconnecting the injector clips, would that make the fuel squirt out of the lines? Could I push down the fuel pressure port to do this? Or would the injector clips be better?
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post #4 of 16 Old 14th February 2017, 02:02 AM
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Quote:
Originally Posted by Jhollywood420 View Post
Quote:
Originally Posted by Celicasaur View Post
If it was me, I'd hand turn the engine a couple of times via the crank pulley bolt and then disconnect the injector clips and crank it over for about 5-6 seconds. This is on the assumption that there's oil in there and you have the means to get power to the battery etc or you have a jump pack.

Old fuel....not ideal, but as long as you take it easy and don't load up the motor, you'll be fine until you can get it to a gas station.

Tyres, yes they'll most likely be a little out of round, depending on how they were stored, but thats something you can address once you get home Engine/Tranny are the important bits.

Good luck
By disconnecting the injector clips, would that make the fuel squirt out of the lines? Could I push down the fuel pressure port to do this? Or would the injector clips be better?
If I understand correctly. No fuel will squirt out. Disconnect the electrical harness connectors feeding each injector.

This process will de-energize the fuel injectors and help prime the internals with oil. Build up oil pressure then, fire up the motor.

Last edited by Coors; 14th February 2017 at 02:03 AM.
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post #5 of 16 Old 14th February 2017, 05:38 AM Thread Starter
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Quote:
Originally Posted by Coors View Post
If I understand correctly. No fuel will squirt out. Disconnect the electrical harness connectors feeding each injector.

This process will de-energize the fuel injectors and help prime the internals with oil. Build up oil pressure then, fire up the motor.
Hey thank you for explaining that further for me! I personally was worried that the old gas may have broken down over 3 years and could spit sludge into the fuel injectors and engine. I will take it to the dealership a couple months after i get it back. But I don't think i can wait that long to start her up. Thanks again for taking the time to help!
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post #6 of 16 Old 14th February 2017, 12:32 PM
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Originally Posted by Jhollywood420 View Post
By disconnecting the injector clips, would that make the fuel squirt out of the lines? Could I push down the fuel pressure port to do this? Or would the injector clips be better?
Yeah no, by disconnecting the electrical clips to the injectors, they won't be sent any voltage to open up and squirt fuel. However yes if you remove the injectors themselves from the rail and turn the ignition key, it'll get real messy, real quick.

Personally....I'd do injector clips, assuming they're easy to access. Fuel pump relay is another way, although that might not stop the tiny bit of fuel inside the injectors from coming out and then firing the engine momentarily....which you're trying to avoid initially.

Quote:
Originally Posted by Coors View Post
If I understand correctly. No fuel will squirt out. Disconnect the electrical harness connectors feeding each injector.

This process will de-energize the fuel injectors and help prime the internals with oil. Build up oil pressure then, fire up the motor.

This ^
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post #7 of 16 Old 14th February 2017, 12:55 PM
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If you have ISTA+ or Rheingold, you can turn off the injectors with the software. I do this for compression checks. This software is a must for this car with most of them out of warranty now. Saves big time on SMG and vanos work.
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post #8 of 16 Old 14th February 2017, 11:46 PM
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How much fuel is in the car now.If it is close to empty,.possibly topping up with fresh gas with injector cleaner will be enough to get it going..
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post #9 of 16 Old 15th February 2017, 12:56 AM Thread Starter
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Thanks for the advice

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Originally Posted by B767capt View Post
If you have ISTA+ or Rheingold, you can turn off the injectors with the software. I do this for compression checks. This software is a must for this car with most of them out of warranty now. Saves big time on SMG and vanos work.
I don't have software, but I'm definitely impressed with how much the members are doing with software and coding. Absolutely amazing. I spent alot of money at the dealership fixing smg cogs when i had the car in 2013. So i will look into more posts on software.
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post #10 of 16 Old 15th February 2017, 01:49 AM
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