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323i

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Question
Engine Computer Issues (spark plugs & coils were changed 5 months ago as well).
Do you have ANY aftermarket electrical equipment in the car? Such components can impact the function of the PCM. Also, check the alternator output and stability. If the power supply to the PCM is not within specification, that could damage...
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A Sensor is Faulty
Hello. If the speedometer is not working and you are getting this code, then the vehicle speed sensor needs to be replaced. This will cause all of this to occur. This sensor is located on the transmission. In some cases,...
Question
Fuel bank sensor
There are a few things that can cause vehicles fuel trims to vary from normal. A vacuum leak is a big thing. Broken or worn crankcase ventilation hoses and gaskets that are failing to seal can cause lean conditions. If...
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5 spd auto transmission problem
Hello there, the loss of the forward gears in your 2000 BMW 323i is caused by one of a few issues. The most common is low transmission fluid, shift solenoid fault, clogged transmission filter, torque converter, shift linkage or the...
Question
Misfiring
This is often times related to what is called an idle air control valve which controls the air/fuel mixture at idle speed. When this is not working properly, this can cause the car to run either too rich (too much...
Question
Stiff power steering after being hit in the front tire.
Hello there, many faults will cause the power steering on your 1999 BMW 323i to become stiff after getting hit on the front tire. The most likely would be damage to the power steering rack from the impact to the...
Question
Hi when switch my car on the dashboard lights is off and then the car dont start but after a few minutes the lights come on and th
When the lights on your dash are off, this indicates to me that you have lost power to most of the car. This means there is an intermittent bad connection somewhere in the main power system of your car. I...
Question
Judder/lag when accelerating
This could potentially be due to a faulty mass air flow sensor. This is a component that regulates the air coming into the intake system as it is mixed with the fuel prior to being injected into the motor. When...
Question
Headlight out
Hello and thanks for your question. When a headlight flickers and goes out, that could mean that the bulb has failed or the power or ground has shorted. I see that you checked the voltage and got a reading of...
Question
Doors will not unlock or open only driver door
This sounds like some sort of an electrical issue. I recommend checking all fuses relating to the windows. Rather than removing each fuse, you should be able to use a circut tester that you can pick up at your local...
Question
Is lucas oil stabilizer ok to use in a 99 bmw 323i, if not what makes it bad to use?
Hello. BMW doesn't recommend using oil additives. I don't know exactly whether Lucas Oil Stabilizer works well, but if you are using a good quality oil with an SJ rating or better, there is not anything that an additive is...
Question
EML light on and caution light with arrow around came on the car, what should I do?
The warning lights mean that the vehicle's computer has detected a fault in the engine management system and/or engine controls which includes a lot of sensors and other devices. If the vehicle has not entered "limp mode" (reduced performance), is...
Question
Traction control light is on, 2000 BMW
As you know, your car is equipped with wheel speed sensors at each of the four wheels which monitor wheel speed while relaying this information constantly to the ABS and traction control system which are controlled by the car's ECU....
Question
No power, car sounds very rough.
The first place to start when trying to diagnose a vehicle with running issues is to have it scanned for diagnostic troubleshooting codes. This will tell you if any sensors have detected any issues, and may give you some more...
Question
The ABS is faulty and the wipers, speedometer, and rev count are acting erratically
Hi and thanks for contacting YourMechanic. First, check the battery for any corrosion or loose cables. Then, check the fuses in the fuse box for any burned fuses. Check under the dash for any loose wires or loose grounds that...
Question
P1510 trouble code is showing up. Cleaned the idle control valve but it won't start.
The idle air control valve monitors the air intake as it is mixed with fuel prior to being injected into the engine. This valve is controlled by the vehicle's computer which will adjust idle speed based upon other measurements such...
Question
Gear locked and car not starting
Hi there. There is an issue with the shifter interlock lock solenoid in the shifter housing. The solenoid has lost power or it has been shorted out. Remove the carpeting and get to the shifter housing and remove it from...
Question
Abnormal oil loss
Blue smoke from the tailpipe, either at idle or under power, is an indication that the engine is consuming oil internally. Common causes for oil consumption are oil getting past the piston rings into the combustion chamber or oil leaking...
Question
Oil leaking into spark plugs galley, car won't start
If you found oil has entered the spark plug tube galley then the oil may have shorted out all the coils and plug wires causing the engine no start. The oil is getting in the galley from a leaking valve...
Question
Car is shaking at 60 MPH 60
Control arms and control arm bushings are a very common failure on your car. If there is even a slight imbalance in the tires and wheels, the effect will be greatly amplified by any looseness in the front suspension.The control...

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