Good day. Your 2009 BMW 328i won’t start after being parked due to a few frequent problems. You did well to check the alternator, starter, and battery because those components are what produce these symptoms. The fuel pump, ignition switch, crankshaft position sensor, or a wiring harness issue are further potential causes.
A skilled mechanic, like one from YourMechanic, will be able to identify the issue and recommend the required fixes.
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In This Article...
Causes of the BMW 3 Series making a clicking noise and not starting, as well as solutions
When it comes to no-crank starting problems, the BMW 3 Series generating a clicking noise when the engine tries to start is a rather typical issue. In most circumstances, this issue is easily fixable.
The most frequent reasons of clicking sounds and no crank in BMW 3 Series vehicles include weak batteries, corrosion on the battery terminals, incorrect electrical connections at the starting and ground, and defective starter motors.
How come my auto decided to suddenly not start?
A fading or dead battery, frayed or corroded connecting cables, a defective alternator, or a problem with the starter are the common culprits when a vehicle won’t start. It can be challenging to distinguish between a battery or alternator issue.
Can a fuse prevent a BMW from starting?
Check relays and fuses. A blown fuse or a faulty relay could be the cause of your BMW not starting. On a BMW, checking the fuses is fairly simple. Fuse removal allows for visual inspection. Another option is to use a digital multimeter to test.
Why do the radio and lights work in my car but not the engine?
A click indicates that the solenoid is activated and engaged. The starter motor itself, however, is currently being stopped from rotating by something.
A battery that is only partially charged is the most likely problem. The lights and radio are operating, so it must still have some power, but the starter motor uses a lot of current. Starting the car requires much more energy than, say, running the headlights.
Thus, even if the battery is almost entirely depleted, the lights and radio may still function. You probably won’t see bright lights here (including the dashboard lights). Higher volumes may potentially cause the radio to have trouble.
Use a multimeter across the two terminals to assess the battery’s health. In a perfect world, you’ll be seeking 12.6 Volts (exactly). The battery needs to be replaced if you see anything dropping to or exceeding 12.0 Volts. It doesn’t maintain a charge long enough to start your vehicle.
An alternative would be to employ a battery tester. You can determine the battery’s state from this. Once you have the car running, you may use it to test the starter and alternator.
My car won’t start, but the battery is fine. Why?
Your starter may be the issue if the battery appears to be in good condition. A starter is a little motor that uses battery power to pull current in order to start an engine. When you turn the key in the ignition, you can hear a clicking sound if the starter fails or malfunctions. In some cases, loose connections are the issue, while in others, a new starter may be required. There is no assurance that jumping a car will fix starter issues.
How can my BMW 3 Series be reset?
The mechanic will reset the computer in your BMW after the service is complete so it can record your mileage and let you know when the car will need maintenance again in the future. However, the techniques listed below can help you if you maintain your own car but are unclear of how to reset the computer system.
- With the engine off, turn the key to the ON position.
- For TEN seconds, press and HOLD the ODOMETER button. It can be found at the Instrument Cluster’s extreme bottom LEFT corner.
- The dash screen will display FGSTNR along with a number. Your chassis number is this (See image example).
- The LAST FOUR numerals are added. Ex: 3+4+5+6= 18 (taken from the image above) (taken from the image above). Your UNLOCK CODE is going to be 18.
- Press and hold the ODOMETER button one more until the FGSTNR clearing area appears (you will still see numbers in the top section).
- Press the odometer button until the upper Menu area (entering code menu) reaches 19 after the bottom area has cleared; When you do, the text will appear at the bottom: Press the odometer button to enter your unlock code after turning the lock on (from the example above) This is seen in the bottom portion.
- The screen will appear as in the image above after a little period, at which point the menu will once again appear at the top. To access the number 21 menu, press the odometer button (also theentering code menu).
- On the screen’s bottom, it will say: RESET? To complete the reset, press the odometer button.
Your BMW’s computer has been restarted! The existing settings must now be added again, or new ones must be added.
**NOTE: Slowly repeat the procedures if you are unable to reset the BMW computer on your first attempt. If you’re still having trouble, ask the dealership for help or refer to your car’s owner’s manual.
Why won’t my car start despite a good battery?
If your car’s battery is in good condition but it still won’t start, there may be a problem with the fuel or ignition systems. Insufficient gasoline, a bad starter, a bad ignition switch, a blocked fuel filter, a poor fuel pump, a worn timing belt, or a weak ignition coil are a few more typical causes.
Be sure to try one of the straightforward solutions described above to get your car started and on the road to the mechanic, even though a jumpstart is not a cure for any of these problems and some of them are probably going to require an expensive repair!
How can I tell if my BMW starter is defective?
- #1: The Engine Won’t Start.
- #2: Loud, grinding, or whirring noise.
- #3: Occasional Trouble Starting the Car.
- #4: The Starter Continues After the Start.
- #5: Smoke.
- #6: The starter engages but the engine won’t turn over.
- Seven: Battery
Why does my car not start while having power?
When a new engine won’t start, the battery is typically at blame. However, a dead battery and an alternator are mostly out of the question if the car is still getting electricity. Some batteries could ship from the factory with a lesser charge retention capacity. This is a manufacturing flaw, and the warranty allows for a replacement.
However, it is simple to believe that the battery is in perfect condition if a car won’t start but still has power. It can be very deceiving, especially if the lights, horn, and other electrical components work well. This is because not all peripherals use the same amount of energy.
To start the engine, however, the starter motor requires a lot of power. It’s possible that a battery nearing the end of its useful life won’t be able to power the starter motor sufficiently. Additionally, some electronic ignition systems start out by using a lot of energy. But since they draw less power from the battery, accessories like lights, horns, and radio systems might function.
Everyone may become confused at this point. So, get your multimeter and examine the battery terminals if your car won’t start but has electricity. It should ideally read 12 volts with the engine off, if not extremely near to it. The battery is on the verge of dying if not.
Start the car, switch on most of the accessories, and read it once more. When you press the accelerator, the voltage shouldn’t drop; instead, it should rise to 13.5 to 14 volts. If this doesn’t happen, there might be a problem with the alternator. When a car won’t start yet has power, this is the most typical problem.
When your car won’t start but the battery is still functional, what does it mean?
The car may not start even when it clicks when attempting to start due to a weak battery, filthy battery terminals, a damaged starter motor, or a blocked solenoid. There are a few techniques to try before using the jumper cables or electric jump starter even if it could just need a jump start.
How much does a BMW starter repair cost?
The normal price range for a starter replacement is $440 to $551. Between $112 and $141 can be spent on labor, while between $307 and $410 can be spent on parts. Of course, taxes and fees are not included in this. The costs may also change based on the type, model, and need for any associated repairs of your car.
What sensors could prevent an automobile from starting?
Frequently, a malfunctioning crankshaft or camshaft sensor is to blame for an engine that will turn over but not start.
All contemporary engines are loaded with engine management sensors that provide real-time data to the ECU. Both good and terrible things may result from this. On the one hand, having a diagnostic reader and knowing what to look for can make it much simpler to diagnose a problem.
A malfunctioning sensor, on the other hand, can produce erroneous readings and leave you stuck on the side of the road.
The camshaft sensor, crankshaft sensor, mass air flow (MAF) sensor, manifold absolute pressure (MAP) sensor, and throttle position sensor are the most typical sensors that prevent your automobile from starting.
Each time the intake valve on cylinder number one opens, a signal is transmitted to the ECU by the camshaft position sensor. The Crankshaft Position Sensor (CKP) signal and that information are then used to determine when the intake valves on the remaining cylinders are opening. When an engine begins, a defective camshaft sensor won’t be able to precisely determine the position of the camshaft, which may result in a misfire or possibly prevent the engine from starting at all.
P0340 and P0335 error codes are frequently set off by issues with the camshaft and crankshaft sensors, respectively.
as already mentioned. The air entering the intake manifold is being watched by the mass air flow sensor. By continuously measuring the air pressure, the manifold absolute pressure (MAP) sensor keeps an eye on the air in the intake manifold. The fuel delivery rate is set by the ECU using the readings from the MAP and MAF sensors. The engine will run rich if either one or both of these measurements are abnormal. The engine will typically stall or misfire as a result of this. Additionally, while the engine is attempting to start, it may flood.
The check engine light will frequently illuminate and the error number P0106 will be stored in the ECU if the MAP sensor fails.
What are some typical causes of issues with starting systems?
- Ignition switch failure. The ignition has a few crucial roles.
- Alternator failure. The vehicle’s alternator generates power.
- a defective starter motor.
- Delivery of fuel issues.
- Battery failure
What are the most typical issues in starting an engine?
The main cause of engines not starting is a dead battery. Drain is a frequent cause of battery failure. Typically, the battery in your automobile uses a small percentage of its capacity to start the engine before being recharged by the alternator as you drive. When a light or other electrical device is left on while the car is off, problems can occur since this can drain the battery and reduce the power available for a start-up. Other times, your battery may just stop working altogether, without any of the aforementioned problems.
If you try to start your automobile and nothing happens, you’ll know this is the issue. If your engine doesn’t even try to start, it’s probably an electrical issue. You can attempt jump starting your battery for a temporary cure, but true battery failure necessitates rapid replacement.