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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...
RPM fluctuation, engine shuts off at the traffic light
You may have a belt tensioner not suppling enough tension on the belt. The power steering may also be low on fluid. The belt may be loose which will need to be adjusted tighter. The idle problem may be due...
The car occasionally has startup problems
You would most likely have a problem with the anti-theft module, it's not getting deactivated. The module is the most common failure and would need to be diagnosed and repaired at a dealer or a shop with the special diagnostic...
Engine problems, sluggish acceleration, dash lights on
It would help to know what the codes were that the dealer turned off and are most likely back. If they were misfire, antilock brake, or engine problem codes they will all help in the diagnosis of the problem you...
Car stalls when it is about to stop at the traffic light
The most common problem is the tube between the air filter and the throttle body has an air leak that can cause the stalling. Try to get the computer scanned for codes and if you have lean codes, then look...
Air con
Hi there: Most of the time, air conditioning recharging will last anywhere from one to three years. It really depends on how often it's used, where you live and the condition of the overall AC system. One problem that often...
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,...
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...
AC clutch fan relationship
The fan is kinda related, in that it is needed and commanded by the AC system to help cool the hot condenser. Its electrical circuit is separate from the AC electrical circuits. Definitely check the fuses first, then check...
Top gets stuck open
Hello. Most of the time this occurs when the lift motor is failing. This is the most common failure on this top. When it cannot lift it any further, then it is failing internally. I usually do an amperage draw...
Alternator not grounding on 2000 BMW 323Ci
Hello. If this occurred right after the accident, then I would check the ground connections on the battery first. If they are fine, then the wire going from the battery to the alternator needs to have a voltage drop test...
Moving a rusted car
Hello. If it will not move because of the rust built up on the rotors and pads, then the wheels and calipers should be removed and the rust cleaned from the rotors and pads. This will help to free it...
Antifreeze emptying out fast
Hello. If this happened right after the work was done, then it is typically caused by a hose that is loose or the thermostat not being installed right. If you cannot see the leak, then the system will need to...
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...
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...
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...
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...
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...
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...
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...

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