20 Most Recent 2005 BMW 525i Automatic Questions & Answers

Hi this is showing as you MAFS or Mass Airflow Sensor. please see pictures and location of MAFS hope this helps

Low fluid will not cause it to do that, If it pops out of gear you got a (Serios) Problem i hate to tell you, End on a (BMW) count on paying $2500 end up to have it (Rebuilt) Thats what you get for buying a (Over) price toy.

No idea but you could have damaged the gearbox so please ask a local mechanic to have alook for you

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We do not have the owners manual for this old model, sorry.

Does it crank and not fire , if no crank check battery jump start , if no fire check for spark fuel and injection

James;You would need a Fortin int-bmw1 Interface Kit which Maintains the integrity of the vehicle's security on push-to-start ignition systems also a Fortin EVO-CAN It is a transponder bypass that will also allow you to control the electric door locks, factory alarm, heated seats and other available options including a tachometer output. Many makers IE: AUDIOVOX APS51, Avital 5303l, Scytek 5000rs, Bulldog Bulldog Security Deluxe500B Good luck

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