Edwin-much?
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"I'd probably take the E30 M3 in this case just because I love that little car, and how tanky that inline 6 is." - thecj
85 323i M TECH 1 S52 - ALPINEWEISS/SCHWARZE
88 M3 - LACHSSILBER/SCHWARZE
89 M3 - ALPINEWEISS II/M TECH CLOTH-ALCANTARA
91 M TECHNIC CABRIO TURBO - MACAOBLAU/M TECH CLOTH-LEATHER
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Lololol
Originally posted by yert315Comment
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thanks. here what i gotCheck this out as it might be able to help you. Scroll down to find the smog calc:
Saw this on autoblog:
well now im freaking out.
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Heaven forbid you stop acting like a tard for 30 seconds and use a search engine
Pretty simple install. A small piece of fuel line, couple hose clamps, and crimp or solder on 2 terminals. Less then 30 minute job from start to finish.
Intro
I looked all over for a Walbro writeup or any information regarding this modification. Considering how easy this was and how little information was available. I decided it was about time for me to contribute to r3v. This was done on my 89 325i, and can be done word for word for any car with only an in tank pump. Entire mod start to finish took a half hour while taking pictures.
The earlier models have a transfer pump and an in tank pump and I don't know exactly how this would work without removing the other pump. So DO NOT expect this to work as said in this writeup exactly as written.
Pictures are located at bottom of post.
Parts
To start this off, here are the parts you will need.
1. Walbro 255 fuel pump
Fuel Pump Model # GSS-340
Pump kit model # 400-812
This is the 'kit' for a 85-97 Ford Mustang
2. 1'' to 2'' stainless hose clamps, small screw
3. Fuel filter. A good 'while your at it' thing because the system isn't pressurized.
Tools
1. Phillips screwdriver
2. Flathead screwdriver
3. 8mm socket
4. Small hammer
5. Pliers
6. Soldering iron(optional)
Removal
1. Start by disconnecting the battery.
2. Take out the bottom cushion of the rear seat. there are tabs under each butt pad. Push them towards the trunk of the car and pull up to remove cushion.
3. (Image 1) On the passenger side of the panel under the seat. there is a black cover for the fuel pump. Use the Phillips screwdriver to remove this cover.
4. (Image 2) Loosen the hose clamp exiting the top of the fuel pump. Unplug electrical plugs.
5. (Image 3) Remove the four 8mm nuts holding in the fuel lever sender, and pull straight up to remove sender.
6. Use the Flathead screwdriver and the hammer to break loose the fuel pump assembly from the tank. Counter-clockwise, one hit should get it loose enough to remove straight up by hand.
7. Adult beverage time, you've done the hard part. Yes really.
Modification
(Image 4) As you can see these pumps are close in size, you could technically unplug the original pump into the brown coupler and secure the Walbro to the rod but the pickup would be about an inch higher than the original pump was, resulting in less usable fuel. (Image 5) The fuel pump kit comes with almost everything you need for the retrofit. Extra parts are minimal. I used old BMW clamps as the screw mechanism was thinner than the ones i bought at Lowe's. The Lowe's ones were too thick and wouldn't allow the pump to fit trough the fuel tank hole.
1. Remove old fuel pump from rail. Basically pull it off.
2. Remove the bottom metal shelf that the old pump rested on. Use the pliers to break it off the rod that goes down.
3. Use pliers to bend a small tab for the new pump to rest on, maybe 5mm at most.
4. (Image 6) Install new fuel pump and strap to the rod using the two stainless hose clamps.
5. Cut supplied hose to fit between the new pump and hose. Secure with supplied hose clamps.
6. Use either Supplied butt connectors or solder new pump wires to bottom of the two prong connector. (On my car, looking at the plug, the prong on the left was ground. On the right was power. Please use multimeter to confirm this on your car.)
7. Reinstall opposite of removal.
8. Probably a good time to replace your fuel filter while your at it.
Conclusion
My car has had this fuel pump with no other modifications for about a week now. I haven't notices any ill effects. In fact, my random long starting problem has disappeared. I suspected that brown connector on the old pump was letting pressure leak out of the lines when car was not running. Also this pump makes less noise than my old pump, but my old pump sounded like a supercharger on its way out. I can barley hear the pump from outside the car, but not from inside the car.
Questions, comments, always appreciated. Complaints, go buy a stock pump.
-Dan
Image 1
Image 2
Image 3
Image 4
Image 5
Image 6
Last edited by einstein57; 05-12-2013, 12:24 PM.Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.
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My euro 316 project Transaction FeedbackComment
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Failed again I'm starting a threadComment
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Don't know why you tried "tricks" instead of fixes the third time...
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29 Model A // 55 GMC 100 // 66 C10 // 72 BMW 2002 2.7 M20 Turbo // 75 CB500T Custom // 04 BMW M3 // 13 BMW 328i Sport
72 BMW 2002 2.7 M20 Turbo Build Thread // INSTAGRAM
Gewerkschaft der Polizei Sticker/Clings For Sale $8Comment
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Turdes' car is not a mistake.
Said no one eversigpicComment
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jou ma se poes in 'n fishpaste jar.
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