20 Most Recent 2003 BMW 525i Questions & Answers

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2003 BMW 525i. The trunk is stuck closed?

Question edited for clarity. Question moved to model category. Help and videos in the link. Sometimes you can get into the trunk from the back seat and pull the emergency handle. https://www.google.com/search?q=2007+bmw+525i+trunk+won%27t+open ..
1/3/2024 10:22:41 PM • 2003 BMW 525i • Answered on Jan 03, 2024
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Should acode p0604 stop car from starting

EMC self check fault yes it can cause a no start problem the following link will help with your code P0604 Bmw ECM Self Check Fault
6/6/2016 11:04:01 PM • 2003 BMW 525i • Answered on Jun 06, 2016
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My wife bought a 2003 bmw 525i and the odometer/rpm cluster and all other gauges, indicator warning lights do not work, they light up when headlights are on but brakelights/turn signals not working

oddly enough, check the wheel speed sensors. there are 4. the fronts are the same the backs are the same but the fronts are not the same as the back.
5/2/2015 8:05:32 PM • 2003 BMW 525i • Answered on May 02, 2015
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How to replace the light control module on a BMW

You will need a new light control module and have it coded by the dealer. The LCM contains information tied to the VIN and the number of miles driven. If you just replace the module you will get a tamper light (dot) displayed on your odometer. If you rapair or have it repaired it, you do not need to recode it. There are several places that will repir them. Do not try to swap out with another used one. Check on the "bimmerforum.com" or any of the other BMW forums and you will find information. There is also a youtube on repairing the LCM ( http://www.youtube.com/watch?v=fn3BLoQUJ2I )
10/15/2014 1:29:19 PM • 2003 BMW 525i • Answered on Oct 15, 2014
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The hi beams stay on even with the switch on the

Here are two possible solutions: first it could be the highbeam switch located on the steering column. Secondly it could be the light control module (LCM) which is typically located on the right wall passenger below the glove compartment. I had to replace my LCM with a new one from eBay and then it had to be reprogrammed by the dealer ( one hour labor). not sure which one it IS. I bought the Bentley service manual on eBay which has helped a lot... Along with YouTube how to videos you should be able to figure it out - everything is there! Also check the BMW forums - bimmerfest, bimmerforums, bimmerpost, etc Look up
8/26/2014 4:44:25 AM • 2003 BMW 525i • Answered on Aug 26, 2014
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Where is cd-c wires located in trunk of 2003 525i and what do they look like " colors"

my online source blocks all BMW wiring. BMW are hard go get info on for free. and even cash, the best way is get the FSM for the car. $$$$$$$$$$$$$$$$$$$$$
6/25/2014 8:51:38 PM • 2003 BMW 525i • Answered on Jun 25, 2014
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How to fix a front right window on a 2003 BMW 525i

Its come off the connecting linkage or the motor drive is disconnected. Can you hear the motor operating but no movement? The window sliding and the motor running means; Off with the door trim and all will be revealed.
6/5/2014 12:24:14 PM • 2003 BMW 525i • Answered on Jun 05, 2014
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Code p1112 is up on a bmw 525i what do i look for

First, find the sensor. Bottom passenger side of radiator I believe. If you're lazy, just change the sensor and make sure the connector is good and tight. If not, do resistance checks on the disconnected sensor and voltage on the connected sensor, both cold and hot. The results will tell you the problem. If the connector is loose or broken, you can get one with pigtails at your local auto parts store. Chop the old one off, splice the new one in, close up surgery, and connect.
4/1/2014 12:09:06 AM • 2003 BMW 525i • Answered on Apr 01, 2014
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I have a 2003 bmw 525i the right tail light

Most probably it should be a line problem,Need for a right tail light
11/6/2013 10:23:32 AM • 2003 BMW 525i • Answered on Nov 06, 2013
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I have a 2003 525i the ac and the heater does not

Hi, needs way more detiles than that, and could be millions of reasons, dos any of your warning lights on panel coms on??? Going on just that and they both not working, check the fuses and relays if possible, you can find the numbers and position of them in the manual, but usialy there is 2 or some times 3 positions that could be situated: 1. Enjine bay. 2. Inside the car(usialy in the front by steering colomb) & 3. In the boot (rite hand side). Also can check 4 came off connections in the enjine bay, if visible and check HCV unit enjine bay firewall passenger side. Good luck, hope any of that will help, but defenatly needs more details and furder investigations...
10/25/2013 3:40:23 AM • 2003 BMW 525i • Answered on Oct 25, 2013
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2003 525i bmw heater will only blow cold air

Check climate control re circulation divider door to heat exchanger from heater core under dash passenger side .
1/22/2013 5:10:19 AM • 2003 BMW 525i • Answered on Jan 22, 2013
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What is the most likely solution to po302 cylinder 2 on bmw 525i...check engine not flashing but stays on...riding a little rough

P0302 - misfire on #2 cylinder . Could be a bad spark plug , spark plug wire , or a bad ingintion coil , a bad fuel injector etc.... There are videos on youtube that could help you sort this out .
6/1/2023 6:31:02 PM • BMW 525i Cars &... • Answered on Jun 01, 2023
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2005 bmw 525i not cold in he afternoon in florida. scan tool says the compressor is at 90 percent

Check the air outlet temperatures at the vents. If they are very low, your cabin air filter might be plugged/dirty. Has any work been done on the compressor lately? dirt in the system can cause the expansion valve to malfunction.
8/9/2019 12:33:32 PM • BMW 525i Cars &... • Answered on Aug 09, 2019
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