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Possible source of concern for BMW AG
So, long story short - my wife (yeah, I know, I know!!!) is driving my car last Thursday, and the car shuts off on her. she tries to restart it, to no avail, calls me in panic, I am coming home from work, find her stranded a mile away from home on a shoulder (some strangers pushed the car to the shoulder) with kids sitting on the side of the shoulder, waiting for me. I tried to start the car, the auto starter is cranking strong, nothing else is happening. Sounds as if engine is flooded or if there is no fuel coming. I can't listen to the pump priming, so I have the car towed home. As I listen to the pump, I do not hear it priming, so I check fuse 47 in glove compartment, it is good (tested good), I dig into the glove compartment for the relay, swap it with other same relays, still, no priming. pull the rear seat, cut the sound barrier, test the voltage on the pump pins, good voltage. Look at the pump's connectors, one connector is darker than the rest, and seems to have oil residue around it... hmmm.. it is middle of night on Thursday, going on to Friday, so I get on line, order a new pump from BMW of Fairfax for about $330 with the tax. Early in the morning call them, confirm they have the part, pick it up in the afternoon, come home and replace the pump in the late evening (spill total about 10mL of fuel!). Car starts right up, after test drive around house, still starts right up. All good! Total cost is $330 for the pump $1 for a hose clamp from Home Depot $5 for rubber mallet (that I can use for my work later) $20 for shop towels (that I will use for my work later) But the kicker is here... As I went to inspect the old pump, I see that one of the power pins has fallen into the opening of the plastic housing. What??!! Did not take a genius to realize, that the pin overheated and MELTED the plastic around itself and the pin fell through. This is a serious reason for a concern - a HEAT source next to highly COMBUSTIBLE substance!!! I smelled gasoline inside the car for some time, and was "blaming" the fuel filter, but once the pump was replaced, there is no more gasoline smell. So, this plastic melting business was going on for some time. Here are some pictures
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E53 X5 4.6iS 147K mi - Sold May 2013 Tireprints left in: USA, Nicaragua, Costa Rica, Panama, Russia E53 X5 4.8iS built 2005-10-17 66200 mi - June 2012 96000 mi - June 2013 112000 mi - June 2014 OEM fire extinguisher OE first aid kit OE tow hitch OE TV module OE aspheric mirror K&N air filter black/white badges rear camera 4-channel video recorder Here is the list of things I have done to the X Last edited by TerminatorX5; 03-20-2016 at 04:17 PM. Reason: spelling |
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#2
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Has the X been operated in a low voltage state (battery below 12.2v or alternator charging below 13.5 v)?
Just pointing out that as volts drop, amps increase (lots of heat).
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'03 X5 4.4 Sport, last of the M62s (8-03 build date) I believe in deadication to craftmanship in a world of mediocrity! Last edited by TiAgX5; 03-20-2016 at 04:29 PM. |
#3
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OBC shows 13.2 - 13.8V during driving, with occasional 14.1V. Car is driven at highway speeds for 40 miles one way about 4-5 times a week. This battery was changed for an AGM on 10/30/13, was strong then, still shows no signs of weakness. Load tested the battery, in rest state under load showed 11.9V, which is within specs of a good battery.
Nevertheless, I will continue watching the battery, just in case it has some issues.
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E53 X5 4.6iS 147K mi - Sold May 2013 Tireprints left in: USA, Nicaragua, Costa Rica, Panama, Russia E53 X5 4.8iS built 2005-10-17 66200 mi - June 2012 96000 mi - June 2013 112000 mi - June 2014 OEM fire extinguisher OE first aid kit OE tow hitch OE TV module OE aspheric mirror K&N air filter black/white badges rear camera 4-channel video recorder Here is the list of things I have done to the X |
#4
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Please file a report with NHTSA. Every safety problem you have. I'm still dumbstruck my 01 was never recalled for the seat mat or ABS module.
https://www-odi.nhtsa.dot.gov/VehicleComplaint/
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David.X5 2001 X5 4.4i Sport SOLD! at 160k miles |
#5
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I've not experience this issue in any of our cars.
But I would cut and re-splice and source out new connectors and pins. For peace of mind. |
#6
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I am not going to reuse this pump, so no need to fix connector. Main concern is, source of ignition inside a gas tank.
Sent from my LG-E980 using Tapatalk
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E53 X5 4.6iS 147K mi - Sold May 2013 Tireprints left in: USA, Nicaragua, Costa Rica, Panama, Russia E53 X5 4.8iS built 2005-10-17 66200 mi - June 2012 96000 mi - June 2013 112000 mi - June 2014 OEM fire extinguisher OE first aid kit OE tow hitch OE TV module OE aspheric mirror K&N air filter black/white badges rear camera 4-channel video recorder Here is the list of things I have done to the X |
#7
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Wow that could have been really bad.. glad your family was ok. I've never seen that happen before.
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2000 E53 4.4 2011 E70 35d |
#8
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WOW! I suppose the fuel wouldn't ignite unless there was some kind of spark (or the flash point of the fuel.) still scary stuff! definitely file a complaint with bmwna and send them a photo!!!!!
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2003 X5 3.0i (02/2003) sport package, Sapphire black metallic / Black Dakota Sport seats. compass mirror retrofit, trailer hitch retrofit, Prodigy P2 trailer brake controller installed, PDC retrofit, Lumbar support retrofit. heated rear seats retrofitted. Running boards retrofitted and subwoofer install in progress. 4.8is Brakes installed front and back. Bluetooth TCU installed, Rear Fog lights installed. Retrofitted reclining rear seat backs. |
#9
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That level of heat shouldn't (can't) ignite fuel but why take the risk!!
Fuel pumps worry me; electric motors immersed in fuel. Yikes... I've replaced a few but never seen your issue. My motorcycle (a BMW) is known for breaking the wire that got hot in your car. Double yikes.. What did the mating connector look like? As it has the female pin, the issue could be there, with a loose fitting socket. The replacement pump connector may suffer the same fate. It might be a good idea to check the mating connector, retention the contacts with a small (jewelers) screwdriver or the like, and use a good contact treatment. *edit* just re-read this thread realised that jopecasa suggested replacing the mating connector - good idea!
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Wayne 2005 BMW X5 3.0d (b 02/05) 2001 BMW F650GS Dakar (b 06/01) Last edited by wpoll; 03-21-2016 at 02:26 AM. |
#10
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+1 for immediately checking the mating connector. The one you took a picture of looked fine, I bet you have a bad connection on the female end. I had this issue on a coil for the ignition. And, gasoline as a liquid isn't as flammable as the fumes. ANd if you were smelling gas, that was the fumes. Think of that connector/heat like a welder. The pump was calling for amperage, and the connection was weak. And like a welder, it was arcing and sparking(maybe not literally)trying to get the connection to that bullet connector. Good luck.
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Dave S. Northeast 2003 4.6is 2005 E53 4.4 2003 E39 Msport(a REAL ONE!) 1959 Fiat 600 |
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