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325Ci

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Rough engine noise on startup, idle and low rpms
Hello. From what you describe it would appear that your low oil level may have something to do with the engine noise. First off, if the oil is low I would top it off as soon as possible, as low...
Question
Car is taking longer than usual to start
Hello. If this problem occurs more consistently with the "first startup of the day" or after the car has been sitting some time, the problem may be low residual fuel pressure. A check valve in the fuel system should maintain...
Question
Blower motor whine
Hello, thank you for writing in. If it is an aftermarket blower motor, as opposed to an OEM original dealer part, that might account for the noise. That would be my first suspicion, especially if you are sure you have...
Question
Two mechanics have not been able to repair misfire.
Hi there. Check the intake for a possible vacuum leak around the cylinder 4. If there is no vacuum leak around the cylinder number 4, then there could be a burned valve. Check the compression on all of the cylinders...
Question
P0414 code
Hi There, Code P0414 relates to the vehicle's secondary air injection system which is a system that pumps air into the car's exhaust system to reduce emissions by way of accelerating the catalyst in the catalytic converter. When the ECM...
Question
My car shakes violently
Hello, It sounds like you may have a clogged catalytic converter. This may be a sign of a clogged catalytic converter. The catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the...
Question
About how much time should it take a certified bmw mechanic to analyse the cause of a squealing noise from the engine?
Over time, your car's engine belts may become worn causing them to stretch. When this happens as you press the gas pedal and the belt goes from a relatively low speed (at idle or when first starting the car, no...
Question
i was driving and my car all of a sudden turned off and i started smelling gas
Hi Angel. Thanks for contacting us tonight. Usually when your car stops running and you can smell gasoline, this means that either a fuel line has broken, the fuel pump stopped working or there is a problem with one of...
Question
2001 BMW 325Ci E46 3 series: turns over, no start, no spark, no communication on scanner. New battery was installed.
Hi there. Unfortunately, when the ECU is not connecting to the digital scanner, that's an indication of a failed ECU. This is only something that can be completed by a BMW certified repair facility, as they keep ECU programming pretty...
Question
Radiator light keeps coming on.
If you remove the radiator cap and there is space to add coolant, you have a leak somewhere. Cooling systems on modern cars are "closed" and kept 100% full using the recovery system, which is typically a plastic overflow tank....
Question
Calibration?
The intake system should be checked for leaks. A vacuum leak from items like a broken air intake boot, broken/disconnected vacuum lines, or a leaking intake manifold gasket can lean out the air/fuel mixture or disturb intake airflow enough to...
Question
Periodically vehicle runs rough at idle.
Hi there. Most of the codes that are coming on are for a misfire on cylinder number 3. Check the spark plug and wire on cylinder 3 and see if you are getting a good spark. Then check the fuel...
Question
Alternator not charging battery
Hi there. To be honest, when the alternator tests as good and the battery terminals are good, this issue is typically very difficult to diagnose. In most cases however, this is either an electrical relay fault to the charging system...
Question
Car won't go in gear while on.
Sounds like the throwout bearing is hanging up. When the car is not running, nothing within the transmission is spinning, thus it is possible to put the car in gear. With the engine running, there is too much friction in...
Question
My 2002 BMW is making a loud high-pitched sound
Hi There, Depending on whether or not the sound comes when the vehicle is moving or not will determine what may be causing this. The following are some possibilities of what could be causing this: -It could be that...
Question
car has misfire and im struggling to rectify the problem
The first thing to check for is air leaks. Any hose or fitting that is off or loose can lead to a misfire and other issues. If you don't find a problem there, you can go about the problem systematically....
Question
Do i have to use synthetic oil in my bmw
The manufacturer recommends 5w40 or 5w30 full synthetic oil only for your car's engine. I would recommend only using full synthetic oils.
Question
My car is not turning over.
Cars will start with no oxygen sensor installed or a sensor that is completely failed. AutoZone has no equipment whatsoever that can DIRECTLY test the operating condition of an oxygen sensor, let alone the training to interpret the waveform that...
Question
Car wouldnt accelerate,did tune up, now wont start.02/bmw/325ci.I bought a new battery.
Hi Charlie. Thanks for writing in today. There are a few things I would start with in regards to tracing your hard to start issue. First, if you have access to a professional digital scanner, complete a full download to...

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