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      11-23-2014, 10:24 PM   #1
Lambobimmer
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Gauging interest in my E85 LPFP.

I have a custom built E85 LPFP.

I have been running it in my car over the past 4 months and I am considering selling it.

I built the LPFP myself with the following parts:

AEM 50-1200 E85 320LPH pump
Stock E89 LPFP Bucket
Gates Submersible E85 Fuel Hose
ABA Mini 22014 9mm SS Clamps

I have been using a Custom PTF E50 tune and this LPFP worked great. I originally used a Walbro 450 pump and I had a lot of issues with oscillation and noise. The Z4 LPFP system is setup differently than the 335i and 135i because our setup does not have a LPFP sensor. I have not experienced any of the problems that I had with the Walbro pump with this AEM pump.

You can use either E85 or any other fuel with this pump. I have been using only 93 octane over the past month.

It is fairly easy to install.

Run your car until the mileage to empty is at 0
Lift your car and remove the exhaust.
Remove Heat Shield
Disconnect Fuel hose
Remove fuel pump cover on gas tank
Disconnect fuel lines and electrical connection inside the tank
Remove LPFP
Put back together in reverse order.

Let me know if you are interested.

Last edited by Lambobimmer; 11-24-2014 at 04:07 PM..
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      11-29-2014, 06:23 PM   #2
Ramjet
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why are you selling it?
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      11-29-2014, 08:21 PM   #3
Lambobimmer
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There is only one E85 gas station in the Charlotte area and it is not convenient for me. It is about 40 miles round trip to get E85 and I am tired of making that trip. I am sure that I miss the power but I just don't have the time to make that trip anymore.
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      12-01-2014, 09:52 AM   #4
rking117
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BMW beeds to get out of the E models. When you said E85 i was like how does this fuel pump fit an earlier model z4 from 2004 to 2008 and also the E89 which is the newer configuration. These two vehicles are totally different.

Then afer reading through i figure out you were talking about 85% enthanol.

Now why anyone would ever run E85 in a Z is beyond me since it doesnt have the sam eamount of bang as regular gasoline and deterioirates at a faster rate.
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Enjoying an E89 Z4, F30 320i and Fiat Abarth //
E85 Z4 (sold), E82 128i (sold), Fiat Pop 500 (sold)
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      12-01-2014, 10:04 AM   #5
Lambobimmer
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Quote:
Originally Posted by rking117 View Post
BMW beeds to get out of the E models. When you said E85 i was like how does this fuel pump fit an earlier model z4 from 2004 to 2008 and also the E89 which is the newer configuration. These two vehicles are totally different.

Then afer reading through i figure out you were talking about 85% enthanol.

Now why anyone would ever run E85 in a Z is beyond me since it doesnt have the sam eamount of bang as regular gasoline and deterioirates at a faster rate.
You should do your research.

Look at this dyno chart that compares 93 to E50. http://e89.zpost.com/forums/showthread.php?t=1061873
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