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E34 (1989 - 1995)

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  #1  
Old 10-08-2011, 04:07 PM
TDanza525i TDanza525i is offline
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Fuel line

What size fuel line should i get?
I want to change the fuel lines because the car is 21 yrs old.
It has a m20 motor idk if it matters probly not.
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  #2  
Old 10-08-2011, 05:48 PM
robertobaggio20 robertobaggio20 is offline
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Originally Posted by TDanza525i View Post
What size fuel line should i get?
I want to change the fuel lines because the car is 21 yrs old.
It has a m20 motor idk if it matters probly not.
Follow what is written on realoem.com for your car. Stick to stock.
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  #3  
Old 10-09-2011, 07:55 AM
TDanza525i TDanza525i is offline
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just tryied that, lol all its says is inlet pipe and return pipe but doesnt tell me what size the pipe is. I guess ill just take a little fuel hose off and measure it idk y i didnt think of that before.
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  #4  
Old 10-09-2011, 08:27 AM
robertobaggio20 robertobaggio20 is offline
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Call up some of the reputed online retailers such as autohauz.com and rockauto.com and check with the customer service officers.
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  #5  
Old 10-09-2011, 09:33 AM
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Radian Radian is offline
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I had some surplus fuel line from when I replaced the rubber hoses in the rear of my car, so I just ran outside to go check for ya. It's hose right from the dealership and says BMW 8x10 NBR on the side and has the part number ending in XXXX409. I measured it just to confirm and it is indeed 8mm inside and 10mm outside. You won't find 8mm at any parts store, and BavAuto and Pelican run about half the cost of the dealership but will charge shipping. One meter was just enough to replace all the rubber in the rear of the car.
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Last edited by Radian; 10-09-2011 at 09:49 AM.
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  #6  
Old 10-18-2011, 06:09 PM
TDanza525i TDanza525i is offline
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alright thanks guys
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  #7  
Old 10-19-2011, 05:36 PM
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ross1 ross1 is offline
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The rubber fuel hose is 8mm i.d.
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  #8  
Old 10-20-2011, 12:01 AM
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_Ethrty-Andy_ _Ethrty-Andy_ is offline
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The rubber fuel hose is 8mm i.d.
Agreed
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  #9  
Old 10-20-2011, 12:55 PM
down19992000 down19992000 is offline
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Radian Radian is offline
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I had some surplus fuel line from when I replaced the rubber hoses in the rear of my car, so I just ran outside to go check for ya. It's hose right from the dealership and says BMW 8x10 NBR on the side and has the part number ending in XXXX409. I measured it just to confirm and it is indeed 8mm inside and 10mm outside. You won't find 8mm at any parts store, and BavAuto and Pelican run about half the cost of the dealership but will charge shipping. One meter was just enough to replace all the rubber in the rear of the car.
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Last edited by Radian; 10-09-2011 at 11:49 AM.
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8mm is 5/16 and 10 mm is 3/8. You will find 5/16 and 3/8 at most local part stores.

Last edited by down19992000; 10-20-2011 at 12:58 PM.
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