bmw 525 95How to change fuel pump?
Go to the auto store and buy a book that shows you these things. Fuel Pumps can vary greatly. Some are easy (outside of the fuel tank), and so are almost impossible to do at home (inside the fuel tank).How to change fuel pump?
need more info.
is it an electric pump, in the fuel tank or on engine?How to change fuel pump?
1. Remove pressure from fuel system. Pull fuel pump fuse and run car until it stalls out.
2. Remove spare tire cover to gain access to black panel in trunk.
3. Remove black access panel
4. Disconnect wiring harness and two fuel lines. If you car still has the factory pump you are going to need to cut the clamps off. Make sure you mark the hoses; if you switch the feed hose with the return hose you will have a problem.
5. Spray the 10mm bolts with WD-40 - Wait few minutes and then remove them.
6. Carefully remove the sending unit; it is attached to the pump which sits down in the bottom of the tank.
7. There are two plastic tabs that secure the fuel pump to the housing mounted to the bottom of the tank. The tabs are on the left and right sides of the pump, if you squeeze them it should release the pump and allow the entire assembly to be removed.
8. Remove the electrical connections and cut the factory hose clamp off the old fuel pump.
9. The fuel pump itself is help in by four rubber bumpers. Carefully pry the unit out of the plastic holder.
10. Install the new pump into the housing and restore the electrical connections. Some fuel pumps may not have the pulsation unit on the top of the pump, do not be alarmed. Attach the main feed hose to the fuel pump and secure with a hose clamp. Try to orient the main feed home in a similar fashion as the return line. This will prevent a kink when it is reinstalled in the tank.
11. Install the pump assembly back into the holder in the fuel tank, followed by the sending unit.
12. Tighten 10mm nuts in an even pattern. Do not over torque.
13. Connect fuel feed and return lines. Use new hose clamps. Connect electrical plug to fuel pump assembly.
14. Change fuel filter. Replace hose clamps if they are rusty.
15. Start car and check for leaks.
16. Take car for short test drive and recheck for leaks.
17. Oil 10mm nuts on top of fuel pump and put some engine oil on the fuel inlet tubes. This will help to prevent any further corrosion.
18. Replace access plate and install truck trim pieces.
here is a link to where i found it and also step by step photo's
also has a downloadable
you can copy and paste this.
linkhttp://www.bmwe34.net/e34main/maintenancHow to change fuel pump?
That one's easy
1995 BMW 525i (E34) L6-2494cc 2.5L DOHC (M50 TU)
Vehicle Level Powertrain Management Fuel Delivery and Air Induction Fuel Pump Service and Repair
Service and Repair
Notes
Fuel Pump Location
REMOVE AND INSTALL
Lift out the trunk insulation.
Remove the fuel pump cover plate screws and the cover plate.
Fuel Pump Location
Mark the fuel lines and hoses for identification and remove.
Pull the slide on the electrical connector to one side and remove the connector.
With BMW special tool (16 1 020) remove the large coupling nut. NOTE: If necessary, draw off some fuel with a scavenging pump.
In Tank Fuel Pump
Carefully remove the fuel level sender and lay it aside.
Compress the safety hooks on the fuel pump holder and pull out the pump.
Remove the electrical connectors, fuel hoses, fuel damper, check valve and pull the pump out of the fuel pump console.
Remove the filter screen retaining screw and lift of the filter.
With a new seal reinstall in the reverse manner.
