Hello, I was driving my 2002 BMW 325i and at a stop light the back tail light come I check It and look like it had a short in the housing it just start to act weird, the lights on the dash came on emi, check engine, brake, the one in middle that's looks like a A with a circle round it.i disconnected the battery for about 10mins and they still come on, can anyone of you help. What to do
SOURCE: check engine light comes on but car runs great 2002 bmw 325i and
The check engine light could be any number of things and the only way to find out is have the codes scanned. The brake light issue is common on E46 3 series. It is an issue were the brown ground wire that goes into the lamp housing melts at the connector causing a loose ground connection. The connector needs to be replaced and also add additional grounding wires to prevent further issues. And for fuel additives either use the cheveron techron, or the bmw fuel additive(the bmw stuff is the exact same thing, so just use which ever is cheaper).
SOURCE: Change clock on 2002 BMW 325i
hello jsosa, if I remember correctly, you need to turn and hold the right button on the instrument cluster. the button only turns a little and has a detent.
SOURCE: 2002 BMW 325I BLOWER REPLACMENT
The motor is replaced from under the hood, you have to remove the cabin ai filter housing. It is can be a hard job. Most dealerships will charge 3 hours labor to do it.
SOURCE: check engine light 2003 BMW 325i
both codes are for lean mixture ... bank one and bank two .....that usually means a vacuum leak in the air intake system ... there is a Y shapped boot off the throttle body that fails frequently .. look for a hole or tear or general deterioration ... there is a second boot after the MAF (mass air flow) sensor, that is another possibility ... any off the vacuum hoses you can see under the fancy cover plate could be leaking .. there is a "crank case breather diaphram" that can do the same ... you can test that by removing the oil filler cap slowly (running) ..there should be a sllight vacuum release ... if its a big vacuum whoosh and maybe engine stumbling then suspect the crank case breather diaphram ... finally you could have a bad MAF sensor but more likely the vacuum leak ... running with a lean mixture can eventually damage valves and valve seats ... i use a small rubber hose to my ear to find vacuum leaks (stethoscope) ...
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