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328i

OBD-II diagnostic trouble codes do not and, indeed, cannot identify failed parts. Once you have a trouble code in hand, what you have to do is perform a diagnostic. In the course of that diagnostic individual parts are tested often...

Hi Marvin. Thanks for contacting us today. The main cause of over-torquing is using an impact or air wrench. However, the majority of damage occurs when the torqued component is in use, develops heat then cools. In your situation, catching...

Unless you could prove that the mechanic cracked the valve cover and it was not already cracked before they did the gasket. This would be hard to prove since it may take a few months for a leak to show...

Using the wrong coolant shouldn't have any short-term effects like that. The consequences of using the wrong coolant usually relate to seal and head gasket failures over a long period and if you have replaced it, everything should be fine....

It sounds like you may have an issue with your idle air control valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) on your 2011 BMW 328i. The idle air control valve is responsible for keeping the RPMs within a certain range during idling at a stop....

Hello. the Diagnostic Trouble Codes would have to be retrieved to begin the diagnosis. Unless the shop retrieved all codes and performed a diagnosis and tested the coils (there are six of them on your engine), what they have told...

Hi. One of the instrument cluster power supplies comes directly from the ignition switch, which is also bolted to the ignition lock cylinder housing. It is possible that either the ignition switch is faulty or that the wiring on the...

Hi, some of these engine cylinder heads were manufactured with a machining flaw that will leak coolant on the right side of the cylinder head. A coolant pressure test of the head will need to be done to verify the...

This issue could be caused by something as simple as the emergency brake being left on, but that is usually the first thing that would be checked. If the emergency brake is off then there could be an issue with...

If you want to return the car to stock, you can obtain the broken part by using the used parts database at Car-part.com (http://www.car-part.com). If your desire is to see if you can get the cold air intake to work...

The noise you are describing is marked and thus the origin will be obvious to a mechanic on inspection. There may be evidence of direct impact for instance. Among the components closest to the ground are exhaust system components. The...

Hi Wendy. Thanks for contacting us tonight. After these repairs are completed, 80% of the time, this symptom is caused by the spark plug wires being connected to the wrong plugs, a vacuum line that is loose or an electrical...

Well, if you've removed the belt and still get the noise, that eliminates most of the normal causes like alternators and idler pulleys. I doubt it has anything to do with the water in the cooling system although you absolutely...

The transmission shift points can be checked to see if the transmission is causing the jerking or it is caused by the brakes. A scanner can monitor the shift points to see if the transmission has sticking shift solenoids or...

The electric convertible top on your vehicle may not be working for a number of reasons. The switch, wiring, or motor(s) that operate your convertible top could be faulty. I would recommend having an electrical systems check (https://www.yourmechanic.com/services/electrical-components-are-not-working-inspection) performed by...

You need to reset your TPMS system. This is done through the controls on your steering column. Consult your vehicle owners manual or look for a simple "how to" video such as this one here (https://www.youtube.com/watch?v=VrpC4tZ8bZI). If the system still...

When you try to start the vehicle, a small amount of fuel is injected into the cylinders to promote fast starting. Sometimes what happens is that with multiple attempts at starting, the vehicle essentially floods itself to the point that...

The right motor mount bracket is known for the bolts coming loose, sometimes falling out, and causing a vibration in the engine. Check for any broken mounts (https://www.yourmechanic.com/services/engine-mount-replacement) or any bolts that are loose or missing. I recommend you seek...

I would suggest checking the Kelly Blue Book website with specifics related to your zip code as market prices of cars vary by zip code. This will give you a baseline for determining whether or not the car is within...

Hi Sriram. Thanks for sending in your question today. The 20" wheels on your BMW are likely plus (2) from OEM. Most 2013 BMW 328i's come with standard with all four P225/45ZR17. Some BMW's increase the OEM to 18" wheels,...