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The BMW Range
3 Series
E36
Sharing My Experience - E36 328i 1997 M52 Auto
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<blockquote data-quote="Galaxy7" data-source="post: 546144" data-attributes="member: 19219"><p>My Fuel Pump Failure While Driving</p><p></p><p>just sharing my experience:</p><p></p><p>i was slowing down my car at traffic light and suddenly my car feel like losing power and the engine died. i tried to start my car again, the engine cranks but it didn't start. so i was thinking it has nothing to do with my battery because the engine still can cranks, it maybe something else that cause the problem. it was getting dark at that time so i decided to push my car to the shop lot parking nearby (luckily it was very near to the traffic light) and left my car over there. i plan to fix it tomorrow's morning.</p><p></p><p>During the night, i google about "e36 suddenly died" and keep reading. my symptom is towards to the fuel pump failure. but i still have to do some test to confirm it. on internet i also found the wiring flow for fuel pump: </p><p>DME--> DME relay--> Fuel pump relay--> Fuse #18--> Fuel pump</p><p></p><p>i also read that the fuel pump makes some noise/sound if its working.</p><p></p><p>i learn on how to replace the fuel pump from this link: <a href="http://www.unitedbimmer.com/forums/bmw-oem-parts-department-diys-faqs/8287-e36-fuel-pump-diagnosis-replacement.html" target="_blank">http://www.unitedbimmer.com/forums/bmw-oem-parts-department-diys-faqs/8287-e36-fuel-pump-diagnosis-replacement.html</a></p><p></p><p>so the next morning my troubleshoot will be based on the knowledge i read above.</p><p></p><p>the next morning:</p><p></p><p>after removed the back seat and opened the metal cover, now i can see the fuel pump. </p><p></p><p>then i tried start the engine to check the pump. no noise or vibrate at all on the pump.</p><p></p><p>so the next step, check power to fuel pump:</p><p></p><p>at first, i just turn the key on and check the power to fuel pump. there is no power at all to the fuel pump(socket with bigger wires). only got power at fuel level socket(the other socket with smaller wires). then i thought it can be either DME, DME relay, fuel pump relay or fuel pump fuse (#18) problem.</p><p></p><p>then luckily i was remembered reading about this last night:</p><p>have to crank the engine in order to check the fuel pump. because turn the key to on will supply the power to the pump for only about 3-4 seconds then it will cut off the power and it will wait until the engine crank to supply the power again to the fuel pump.</p><p></p><p>so i crank the engine and yes, socket to fuel pump got power this time. so this tell me that the DME, DME relay, fuel pump relay and fuse #18 are working fine. </p><p></p><p>So now i confirmed that fuel pump is the problem.</p><p></p><p>buy the fuel pump-oem VDO brand(RM412) and O-ring(RM25) from BA. after changed the fuel pump my car back to normal. :top::rock:</p><p></p><p>here's the pics of my problem unit:</p><p></p><p>Fuel Pump</p><p>[ATTACH]20670[/ATTACH]</p><p></p><p>the rubber holding the pump also broken</p><p>[ATTACH]20672[/ATTACH]</p><p></p><p>the fuel level unit still in good condition</p><p>[ATTACH]20673[/ATTACH]</p><p>who interested in getting my used fuel level unit, just let me know. if no one then i will keep it as my spare unit. :wink:</p></blockquote><p></p>
[QUOTE="Galaxy7, post: 546144, member: 19219"] My Fuel Pump Failure While Driving just sharing my experience: i was slowing down my car at traffic light and suddenly my car feel like losing power and the engine died. i tried to start my car again, the engine cranks but it didn't start. so i was thinking it has nothing to do with my battery because the engine still can cranks, it maybe something else that cause the problem. it was getting dark at that time so i decided to push my car to the shop lot parking nearby (luckily it was very near to the traffic light) and left my car over there. i plan to fix it tomorrow's morning. During the night, i google about "e36 suddenly died" and keep reading. my symptom is towards to the fuel pump failure. but i still have to do some test to confirm it. on internet i also found the wiring flow for fuel pump: DME--> DME relay--> Fuel pump relay--> Fuse #18--> Fuel pump i also read that the fuel pump makes some noise/sound if its working. i learn on how to replace the fuel pump from this link: [url]http://www.unitedbimmer.com/forums/bmw-oem-parts-department-diys-faqs/8287-e36-fuel-pump-diagnosis-replacement.html[/url] so the next morning my troubleshoot will be based on the knowledge i read above. the next morning: after removed the back seat and opened the metal cover, now i can see the fuel pump. then i tried start the engine to check the pump. no noise or vibrate at all on the pump. so the next step, check power to fuel pump: at first, i just turn the key on and check the power to fuel pump. there is no power at all to the fuel pump(socket with bigger wires). only got power at fuel level socket(the other socket with smaller wires). then i thought it can be either DME, DME relay, fuel pump relay or fuel pump fuse (#18) problem. then luckily i was remembered reading about this last night: have to crank the engine in order to check the fuel pump. because turn the key to on will supply the power to the pump for only about 3-4 seconds then it will cut off the power and it will wait until the engine crank to supply the power again to the fuel pump. so i crank the engine and yes, socket to fuel pump got power this time. so this tell me that the DME, DME relay, fuel pump relay and fuse #18 are working fine. So now i confirmed that fuel pump is the problem. buy the fuel pump-oem VDO brand(RM412) and O-ring(RM25) from BA. after changed the fuel pump my car back to normal. :top::rock: here's the pics of my problem unit: Fuel Pump [ATTACH=CONFIG]20670[/ATTACH] the rubber holding the pump also broken [ATTACH=CONFIG]20672[/ATTACH] the fuel level unit still in good condition [ATTACH=CONFIG]20673[/ATTACH] who interested in getting my used fuel level unit, just let me know. if no one then i will keep it as my spare unit. :wink: [/QUOTE]
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