Question about BMW 02+ 3 5 X5 M3 Series Car Radio Wiring Harness Wire

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I have a 528e bmw 86. with 30k miles total. the 02 light came on, i replaced the 02 sensor, the light is still on. how do i reset the comp. thanks.

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Disoncnect battery, then reconnect. this will reset computer.

Posted on May 16, 2010


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My 96 maxima wont pass emissions in az after replacing 02sensor and knock i need to drive it to reset comp?

I would say 10 to 20 miles would be enough to tell if the trouble codes will return. You may be able to disconnect the battery for a couple of hours to clear the codes, but using a scanner or code reader is better.
A scanner or code reader can find history trouble codes on some models and in some cases without the engine light being on.
The purpose of the warning light is to tell the driver the vehicle needs attention now.

Aug 04, 2012 | 1996 Nissan Maxima

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How do u change 02 sensor on a bmw 545i and how many 02 sensor are on the car

Hello 282,

There are a total of 4 02 sensors on your vehicle. Each side of the engine has 2 02 sensors. 1 sensor is located before the catalytic converter, and 1 sensor after the converter for each exhaust. You will have to remove the lower plastic covers under the car to access where the sensors are located. They are located in the exhaust forward of the transmission. You will need either a 22mm or 24mm open end wrench, or preferably an oxygen sensor removal tool which can be purchased from an automotive store or even Sears. In addition you may need a 3/8 ratchet.The sensors can be pricey and I recommend staying with Bosch brand if possible. It is best to remove the sensors when the exhaust is cold.

Jun 23, 2011 | 2006 BMW 545i

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The engine light stays on, it has an 02 sensor. It may need a new cadillac converter and cv joint.

check engine light on when tested it says bad o2 sensor did you replace 02 sensor it takes driveing it so many miles before light will go off give it couple days you dont need cadillac converter check engine light will go off cv joint they click as you turn dont let a mechanic sell you something you dont need its very rare for cadillac converters to go bad its common for o2 sensors to go bad like yours did but when 02 sensors are replaced it takes driveing it for awhile before it resets itself you also have more then one 02 sensor was then wrong one replaced they screw into your exaust manifold

Dec 13, 2010 | 2003 Nissan Altima

2 Answers

Why does'int my 1986 bmw 528e start?

Do you spark at the plugs? Most likely crankshaft sensor needs to be replaced. Welcome to computer controlled cars. : (

Mar 30, 2010 | BMW 528 Cars & Trucks

1 Answer

1984 BMW 528e: Fuel is not getting to the injectors. I replaced the fuel pump in the gas tank (which was bad) but I am still not getting fuel pumped out. I followed the fuel lines and noticed some sort...

Correct me if I'm wrong but does your car have 2 fuel pumps, one in the tank and one in the line? I might be confusing that with a Volvo. Here's a link to an in line fuel pump for a 528e. Scroll down or search for 528e when you go to the website. THis page also has your charcoal cannister. Hope this helps. Good luck!

Mar 11, 2010 | 1984 BMW 5 Series

1 Answer

Might Max 210,000 Mile check engine light is on. Code says 42 (fuel pump) No problems with truck starting or running. Reset with switch and reset by disconnecting neg Batt. Light comes back on.

Not sure what year you have but if its newer than a 96 then the code is for an 02 sensor. Bank1 sensor 3

It will be the sensor after the catalytic converter. It needs to be replaced. The code is a heater code and always it points to a bad 02 sensor.

Jan 04, 2010 | Mitsubishi Mighty Max Cars & Trucks

1 Answer

99 volvo v70 02 sensor....

Either get a OBD2 electronic reader and clear codes or try disconnecting battery for five minutes to reset. Good luck.

Feb 27, 2009 | 1999 Volvo V70

1 Answer

1999 galant o2 sensor

have you had the car scanned for codes? the light could be on for something other than the o2 sensor

Oct 15, 2008 | 1993 Mitsubishi Galant

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