20 Most Recent 2004 BMW 525i Touring Questions & Answers

I believe you gain access to it by removing the rear seat then a cover plate in the flooring. Hope this helps.

A fault code detected form the transmission and determining cause can be from a actuator a solenoid to a fuse or a sensor.

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 .

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.

probably bad ground on tail lights

check battery voltage disconnect battery and reconnect battery check oil level

check your cruise / speed limiter control check battery voltage check crankshaft position sensor

check ground wire

your car is dieseling running on fuel in cylinders igniting carbon in combustion chambers a good run down motorway could cure it

Hi Steve. It is an inline 6 cylinder designated as the M54 2.5liter.

There was more than one engine available for that car. You will need a copy of the original registration document. You could also look for the engine code on the engine block. But the paperwork (V5 in the UK, Pink slip in the USA), is the easiest way to do it.

check the fault codes first

BMW SUCKS

when a battery is completely drained, it shortens the life or could kill it all together. Time for a new one. Doesn't need to be coded.