20 Most Recent 2003 BMW 5 Series - Page 3 Questions & Answers

Hi , you can lock your car without activating the allarm by using the key to lock your car manually ( not the remote ) , the most common alarm fault on this car is the hood switch, if you change this buy one for a bmw Z4 model which is slightly longer and garrentees a contact when the hood is closed, hope this helps regards mark

its not a fuse i had the same problem on my 03 x5 it an ac resistor thats at fault it controls your fan once it goes your fan wont come on or comes on intermitently once again the faulty part is a blower motor resistor should be 100 bucs at dealer or if you shop around i got mine for 75 from local parts store (carquest)

There may be an issue with your oil pressure sensor.You also probably have a faulty water pump that is functioning under revs but not at idle, what happens if you rev it mildly at idle

P0334 is your Knock Sensor. First thing I would recommend is to stop using 85/87 Octane Gas and try a tank of 91. This will normally help the light to stay off. If it does fix it, then you know the engine is not liking the lower Octane gas. If it does not fix the problem, then you have a Knock Sensor that is going back or you have a Misfire that it is detecting... Then you need to do some more troubleshooting but I would start with the Better Gas..

All vacuum leaks anywhere on any vehicleneed to be resolvedToo many areas,systems etc that can have vacuum leaks& they can have somewhat serious consequences

check the fuse.

In the back, under the spare tire

- Sit in the car with all the doors shut and windows up with your key fobs (all your fobs need to be done at the same time)- With one of your keys turn the ignition on then off and remove the key- Press and hold the unlock botton and then press the lock button 3 times.- Release all buttons and the locks will bounce up and down.- Repeat this with the other key/keys (press and hold unlock and press lock 3 times, locks will bounce)Note: Only switch your ignition on once, doing so again while programming will reset the process and you will have to start again.

217 signal canegs on bmw530i where in which position i find it,65 signal camshaft sensor inject

check fuse #9 on your glove box

try to get a fuel pressure test or get it put on the machine to see if thecrank sensor or cam sensor is going bad.

Yes you will have to remove the old one tohave it repaired or replacedWe can't give you instructions,if you need that,you need a repair shop