BMW driver question
My car is experiencing vibration in the engine and shift lever when idle. As a test, I had the engine ignited without the pulley, but the vibration did not stop. The injectors are fine, the engine cushions too. What could be the cause of the malfunction? Previous mechanics spread their hands.
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Today I noticed water in the battery compartment, it was never there until now, even when I replaced the battery with a new one, it was always dry. I am wondering how it got there. I checked everything:
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I discovered in the on-board computer menu that my engine is not reaching the optimal temperature. I first replaced the main thermostat (Motorad), but it was still around 75-85°C.
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I have a rather strange question. I’ve owned an F30 with an automatic transmission for a year now, and in sport mode when braking at an intersection and then after adding gas there is this slight jerking feeling.
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Navigation doesn’t work, I can’t enter the options menu. Only the radio and air conditioning settings work. When pressing the iDrive joystick, nothing happens. What could be the reason and how to fix it?
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Reading your articles about batteries, I know that you need to code a new battery. Now I have a question about its physical replacement. Can it be unplugged, removed and a new one inserted? Does the vehicle need to have power backup through a charger, for example?
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I read your advice about the metallic sound from the valve train. Does the same problem also occur in a 2011 BMW 330d?
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After a long stop, I start the car without problems, but after about three minutes without adding gas, that is, without starting, the revs drop sharply and the car goes out.
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I have a problem with igniting the car. Within a week replaced the alternator and battery with the same parameters as the one used before. The next day the car fired up on the second attempt. During the day it fired up without any major problems.
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I would like to ask for an opinion on the loud firing of my car. When the engine is cold, immediately after firing up I can hear a loud crunching sound for 2-3 seconds, which immediately stops. After that, everything is OK. It runs beautifully, evenly and quietly. On a warm engine it rarely happens.