20 Most Recent 2003 BMW 5 Series Questions & Answers


Sounds like excess bearing clearance, when the engine sits overnight the oil between the bearings and the crankshaft is able to run back into the oil pan. When you first start it up it takes a few seconds for the oil pump to fill the spaces back up and you get some clatter.

2003 BMW 5... | Answered on Mar 01, 2019


Could be several different issues. Have the charging system checked. Also, make sure all your cables to your alternator and battery are clean, and tight. If all that checks out, then check for a short in your wiring. If you. Want instructions on how to do that , reply, and I will explain the procedure.

2003 BMW 5... | Answered on Mar 04, 2018


Check when you put it in the ignition that the key is in fully whilst you drive.
The little silver nob on the key needs to make connection with the circle chrome around the ignition.
This is how it charges and the door lock/unlock uses a bit of power hence why it probably not working but works with every other purpose.
Regards Craig

2003 BMW 5... | Answered on Feb 13, 2018


Your description reminds me of several vehicles I have encountered in my career that behaved in a similar way. They had all had body repairs at some previous time near the fuel filler and all gained something in the fuel tank - cloth or worse a plastic bag that was used for masking purposes.
One van was fitted with a high pressure pump by the dealer at a massive cost only to discover there was no improvement - they later removed a plastic bag from the fuel tank.

Water in the tank is another possibility. If there is a strainer in the tank it will be typically too fine for water to pass through.

If there is no obvious faults I suggest you ensure there is nothing in the tank but good clean fuel and the pipework is good including the breather system.

2003 BMW 5... | Answered on Sep 29, 2017


no. I'd suggest to disconnect a battery for 15 mins, reconnect, wait for 5 mins and try to restart. If it doesn't help (sometimes there's a program block to prevent stealing equipment) call a dealer

2003 BMW 5... | Answered on Aug 04, 2017


transmission fault. CAN-BUS monitoring.

2003 BMW 5... | Answered on May 03, 2017


the fan nut is LH thread. Means turn right (clockwise ) to loosen.

2003 BMW 5... | Answered on May 02, 2017


try changeing the oil in the box.

2003 BMW 5... | Answered on Apr 30, 2017


Yes this and many other problems can and do happen to this engine.

2003 BMW 5... | Answered on Apr 19, 2017


If the trunk works try it. If not any place that sales auto alarms can fix it. An a tow guy should have a slim jim

2003 BMW 5... | Answered on Feb 28, 2017


It is in the Glove box. there is a drop down panel in there on top with 2 pins that holds it in.

2003 BMW 5... | Answered on Feb 24, 2017


If you have steering wheel mounted controls then play with the volume switch and see if that drops the volume, if not unplug the steering wheel control harness for the radio an if that makes no difference then the radio is defective.

2003 BMW 5... | Answered on May 11, 2016


if fan only has high speeed selection only but no other speeds then its probably the fan voltage resistor witch parts cost is about 80.00. or if you dont have any speeds working at all then check the fuses it might be the fan motor or the control panel on dash

2003 BMW 5... | Answered on Dec 30, 2014


the pump working? hoses cut or disconnected?

2003 BMW 5... | Answered on Dec 20, 2014

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