Damaged cylinder smoothness of BMW engine – how to fix it?

BMW driver question – details of the damage to the smoothness

In my engine, the bottom of the piston was burned all the way to the ring, and the smoothness has a depression (visible in the photos), probably from the burn and fragments of the piston. The compression pressure on this cylinder was 0, and on the others it was about 16 bar and on one 14.5 bar. Before the incident, it was less than 15 bar on all of them.

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Voltage disturbances cause BSD bus problems in BMW – how to fix it?

BMW driver question – a series of problems with BSD bus components

I have an electrical problem with my car. It started a year ago. The air conditioning did not work and there were errors with the IHKA module, but it did not bother me. Recently the alternator died, but in a strange way.

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Knocks from around the pulley, tension rollers and multi-ribbed belt in BMW – how to fix it?

Driver’s question about the pulley on the BMW

I would like to ask about a technical issue. Most willingly I would personally put the car back to you, but unfortunately I live a little far away. Namely, the problem I have is that after replacing the pulley, tensioner and all the belts, there appeared such a characteristic cyclic rattle from the front of the engine.

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Pulling a BMW with an automatic transmission – what is the reason and how to fix it?

BMW 550i F10

BMW driver question – Why does my car pull forward?

The problem is that after pressing the brake pedal and switching to drive the car behaves as if it wants to pull forward. The rear of the vehicle squats slightly and the engine vibrates. After releasing the brake, it starts to drive normally.

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Grey smoke from the BMW exhaust – what is the reason and how to fix it?

czarny dym diesel

Driver’s question – gray smoke in BMW

The car when firing up in the morning smokes gray smoke for about 5 seconds. This is a symptom that does not occur every day. When there is no gray smoke, the engine runs quietly, and when it smokes the engine runs louder, which can be heard especially at the exhaust tip.

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High oil burn in BMW 1 – causes and how to fix it?

silnik spalinowy bmw n46

Driver’s question – combustion in BWM 1

I bought my BMW about two months ago with a mileage of 150,000 km. I noticed a significant loss of oil about 1 l per 1000 km. Mostly, the car while driving does not smoke somehow significantly. On the other hand, when I reach the traffic lights and start dynamically or when I add gas, a cloud of bluish smoke rises behind the car. It only appears on a warm engine. Could I ask for some advice? What could it be?

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Pulley after significant mileage – can it be the cause of vibration in BMW?

Driver’s question about the pulley in the BMW

My BMW 3 with automatic transmission shakes at a standstill. You can feel it all the way to the door. When extinguishing the engine, there is also this stronger vibration. The alternator has been replaced, as well as the engine and transmission cushions, but the fault persists.

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Severe body vibration after replacement of the timing gear and dual mass wheel in BMW

BMW driver question

I have a problem with my BMW. After replacing the timing gear and dual mass wheel, the shifter vibration has appeared and there is a noticeable vibration throughout the car.

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How to choose springs for BMW cars?

Sprężyna samochodowa

BMW driver question – differences in suspension springs

I have a question about suspension springs. What is the difference between C1 springs and, for example, C4 springs? I am getting ready to replace them and would like to know how they differ. I’ve searched the Internet and can’t find a concrete answer. What is it about these designations?

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Jerks in the SMG box in BMW – what is the cause and how to fix it?

Skrzynia biegów SMG BMW

Driver’s question – SMG transmission in BMW

I have a problem with the first generation SMG five-speed transmission. The problem is the “waving” of revs when changing gears. In addition, when shifting from two to three you can hear a deafening knock coming from the transmission most mechanics say it is the suspension. I have already replaced everything and the problem remains.

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