20 Most Recent 2000 BMW 3 Series - Page 4 Questions & Answers

I would think that the motor for the window needs to be replaced, as for the windshield cost, that depends on the model of the car and where you go to have it done, I would shop around and compare prices in local business' first.

First, is the BMW a U.S. model or European model? I would recommend trying to find out what type of programming your mechanic actually did and you might have to go to BMW dealer and look at their wiring diagrams. BMW is very particular about their cars being worked on. You may need the actual BMW computers to help you out. Good luck.

The car will still run smooth, it's just the precat 02 lambda sensor will need cleaning or changing. Check for any chaffed wires first, it's easier enough to get to. You might just use a bit more fuel than normal. It's not a big job there's a video on YT how to change them

The following video will give you an idea on how to change the headlight in your BMW 323i: Hope that helps!

erm, maybe best to keep it off the wheels but it could be the master servo not pushing the fluid to all 4 corners or a blockage in the brake lines

There should be two level markings on expansion tank; one for cold engine, and the other for normal running temperature ( hot ). Check level after vehicle has sat for a few hours or parked overnight and make sure it is at the cold level of expansion tank marking. This will allow room for expansion of coolant when engine is in use in expansion tank.

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The air bag warning light indicates there is a problem with the air bag system. Unless you have the proper test equipment and are trained in air bag reapair you should have a trained mechanic check and/or repair the sytem. The problem could be one of the sensors or a number of other causes. Tinkering with the air bag system is dangerous because you can inadvertently discarge the air bag. That is dangerous and will more than likely cost much more to repair the system if it needs a new bag. Unfortunately this is not a do-it-yourself system.

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Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner. Reset code and drive vehicle. Check for air leaks on or around any intake pipework using a good spraying of carb cleaner, if the engine surges then that's the leak. Check wiring to Maf and if the inside is dirty, again use carb cleaner liberally...NOTE: do not use Wd40... If the code comes back, it may be necessary to replaced the mass air flow sensor.

Can be possible but I would check fuse and relay and make sure that you have power supply.

You can change the key battery. BMW 3- Series Battery KEY Replacement & Re-Program KEY - YouTube