20 Most Recent 2009 BMW 523i - Page 7 Questions & Answers

Brett provides the best answer to this. Brett Duxbury Mar 04, 2022 Hi Anonymous, can you get a radiator pressure test while engine running. I Suspect exhaust from valves in engine building up pressure in cooling system. (blown head gasket or warped head) OP is getting the engine pressure tested. Good job!

Is your radiator cap good? Was the air bleed from engine after thermostat was changed? HOW TO BLEED COOLING SYSTEM ON BMW - YouTube

Yes, this could be the shift solenoid. Was the transmission filter changed at the same time as the fluid? Dirt in the system can affect some of the transmission sensors tripping Trouble codes. I cannot be sure what the P1732 code is as some codes can be very vehicle specific but it appears to refer to the transmission or on of it's sensors. P0733 - Gear 3 Incorrect Ratio. P0734 - Gear 4 Incorrect Ratio.

All your mechanic has to do is test them. Not rocket science and it saves throwing parts at it if it is only a broken wire in the end.

Question edited for clarity. Security System, Immobilizer issue. Get it towed to the dealership or a good local auto-electrician.

we are not BMW service techs here .

If you take your registration ducument to a BMW dealership they will tell you the code for free, based on the VIN number. Or look in the Glovebox for a small white sticker, or in the Owner's manual. But, I found this BMW hasn't used a "radio code" since the beginning of the e38/e39/e53/e46 generation of BMWs. That technology ended with the anti-theft radios used in BMWs prior to the aforementioned e series. The code you see appearing on your nav screen or MID (you didn't indicate which radio setup you have)...is an anomaly of the OBC's immobilizing code probably brought on by the low voltage issues you were having. There have been many threads on this topic across multiple BMW forums in that usually a simple use of "0000" or "1234" works to get past the lockout once the battery issue or low voltage issue is fixed...or initiating the emergency deactivation of the CODE found in the owner's manual. and this confirms it is the immobilizer code https://www.bimmerforums.com/forum/showthread.php?2270312-radio-code ..

Check out the videos. https://www.google.com/search?q=2005+bmw+X3+rear+sunroof+is+stuck+completely+open ..

It looks there are two bolts on the face and a hidden one in the back. Did you remove 3 bolts? https://www.carparts.com/details/BMW/318is/Quality-Built/Alternator/1992/MPA15943.html Videos https://www.google.com/search?q=1992+bmw+318isc+alternator+replacement .. ..

ASK YOUR DEALER .

Test the coil packs. Also check the connections. https://www.google.com/search?q=bmw+3+series+coil+packs+testing ..

SEE A DEALER ONCE

The compression is all over the place , Do the following To find the problem . remove all spark plugs , hold the throttle open while testing , compression test all cylinders one at a time and note the compression make sure the battery is fully charged , that is called a dry test, now do a wet test , add a teaspoon of oil to the cylinder you are testing and compression test, note pressure against dry test, if the pressure is unchanged the valves need attention ,if the pressure rises the piston rings are worn or stuck .

I would check the engine mounts and any shock absorbers for the engine.

I would fit the correct belt and check no wires have been disconnected by mistake.

In most cars, the EVAP vent valve is located underneath the vehicle, close to or at the charcoal canister near the fuel tank. For that reason, it often fails due to corrosion. The most common problem with the vent valve is when it sticks open or fails.

If the motor blows on med-high but not high or low, it's the resistor.

Check for a rheostat switch, usually a wheel type , the controls the illumination brightness, owners manual will show where

https://www.engine-codes.com/p0171_bmw.html this link has all info needed to assist you

This says yes.

Oil Cooler for BMW 3 Series E46 (1999-2005) - Turner ...

https://www.turnermotorsport.com > BMW-E46-Parts > c-... BMWs use an external oil cooler to regulate the temperature of engine oil and prevent a breakdown in viscosity and lubrication characteristics.