Most, if not all, modern submerged pumps have a filter that sits on the system’s intake side. Share With Others.

use your judgment carefully. Once the hose has Today we’ll show you what to do if that wear and tear gets to your fuel system. two-lobed. If the fuel pump completely fails, the vehicle will not start. Run Go.

some of those symptoms are listed below. Aside from the few known issues, E46 was solid. Fuel then makes its way through the filter and passes through the fuel rail before being blasted into the engine by the fuel injectors. You can read more about these laws here!. Think about your BMW fuel pump as a pusher unit. Now that the connector and hose are completely off you can move those things aside and move forward. Do not forget to replace the o-ring that comes with your new fuel pump. After that then all you have to do is install the new unit in reverse order then flip the ignition switch a few time on and off to prime the pump that way there is enough fuel at the motor to have an easy startup and not have a bad misfire. If the resistance does not match the spec then it could be bad, inspect the sending unit. Grab yourself that bucket we’ve mentioned before and put the whole assembly inside. that car was so great on gas and hardly gave me any headaches apart from the usual maintenance items. if it doesn’t make a little noise then the pump is not spinning or running. The bucket makes everything easier as you’re guaranteed to find gasoline inside the assembly. fuel pressure and fuel volume play a very important role to keep your engine running as smooth as butter. DO NOT I REPEAT DO NOT REPLACE YOUR FUEL PUMP WHILE SMOKING A CIGARETTE AND KEEP ANY LIGHTERS OR MATCHES AWAY WHILE YOU HAVE THE GAS TANK OPEN. I don’t know off the top of my head, but I am inclined to assume that the extra unused nipple is on these pumps so that the assembly can be used on a number of different cars with different equipment or positions to reduce cost of manufacturing.

There is NO need to remove the whole fuel tank--if a shop is telling you that, they simply don't know what they're talking about. 1. a BMW E46 consists of: A faulty fuel pump can Section 1 – BMW E46 fuel pump replacement, If you have any questions or comments, please feel free to. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. the fuel level drops, the fuel level sender resistance drops. (under a load). it can also be installed in the vapor vent line,  fuel return line or the fuel tank filler cap. your fuel pump has failed, you can confirm the fuel pump has received the any auto parts store. That being said, reliable doesn't mean invulnerable to wear and tear. The gas tank on E46 is partially located under the back seat. Aside from the few known issues, E46 was solid. By entering this site, you agree to hold Pelican Parts free from any liability arising out of the use of any information contained within. Let’s assume that you’re 100% sure that the pump is the problem.

Fuel pump – URO 16146766942. To undo it, you’ll have to take your flathead screwdriver, anchor it against one of the extruded points on the ring, and whack it with a hammer. any type of exposure to my content will be greatly appreciated. Top subscription boxes – right to your door, © 1996-2020,, Inc. or its affiliates. Would anyone happen to know what it’s called, and the part number? This happens when the VIN lookup software we use does not return specific engine or trim information. Fuel pumps are almost never fixed or repaired.

so basically the fuel you pump sits in the gas tank and the pump itself pushes the fuel through lines going to a fuel rail which then passes through fuel injectors and they spray fuel into the cylinders of your engine. Disconnect the negative fuel level sender and fuel filter, while the right tank lobe holds the fuel I did this job and used a removal tool to remove the lock ring. Make sure that your work area is well ventilated and that there are no sources of open flame around. Check out our Basic Maintenance section, which has all the parts you'll need to get your vehicle running its best, including filters, fluids, brakes, spark plugs, lighting, and more for your E46! The Repair Cost graphically displays approximately how expensive the repair will be to perform. Take your flat head screwdriver and pry in between the connector where I point to in the picture above and separate the holder and remove the connector. Most fuel tanks made by most manufacturers have advanced technology when it comes to the material of their fuel tanks compared to the ’80s or ’70s. Your written comments were much more clear than the various videos others have made public. Sorry to say, it is part of the fuel tank, sorry.

It mainly depends on the type of damage the pump has suffered. Once you lift the softcover, you’ll find a metal cover held in place by 4 10mm nuts. BMW E46 3-Series Technical Articles (1998-2005), Page last updated: Sat 10/24/2020 02:48:46 PM. 2 hrs.

Remove four 10mm nuts from access panel (green arrows). system, disconnect the battery before beginning. Maybe, but it’s a surefire and easy way to keep the trouble away. You can access Be sure hose clamp is for high pressure fuel lines. Fuel pump (required) – Always purchase an OE quality replacement fuel pump for your BMW E46 3 series. With the ring successfully removed, wiggle the entire pump assembly unit out of the gas tank. Then use BMW special tool 16 1 022 to tighten threaded collar. Next, peel carpet away from seat cushion area of body (green arrow). 1 of 2 Go to page. Got more questions? There are many reasons why a vehicle would not start but for this article, I will be explaining to you exactly what’s involved in a fuel delivery system, what are some of the symptoms of a failing fuel pump and exactly how to replace your own. Fuel injected systems which are more relevant in today’s day and time are more sensitive than older systems from the past.

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