Vibration and RPM waviness in BMW – how to fix it?

BMW driver question

I feel a vibration in the cabin at idle and sometimes the revs ripple gently. This lasts literally three seconds and then the revs return to normal. The tremor, however, remains. While driving, there are no problems.

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Engine power drops and black smoke from BMW – how to fix it?

czarny dym diesel

BMW driver question

I have a problem with my BMW. It consists of abnormal firing. I turn the key and the engine starts hard. Then it smokes black. It smokes less when accelerating and at slow speeds. The car has trouble going up a slight hill, as if it has no power. The engine power is 260 hp and it feels power drops.

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The right oil and DPF afterburning in the BMW E91

castrol edge 5w 40

BMW driver question

What oil should I pour into my BMW? I was thinking about Castrol, but I don’t know what parameters it should have. Second question: i have a car with an original DPF. Does any light on the dashboard illuminate or, is it noticeable while driving when the DPF burns up?

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Freshly replaced DPF in BMW, clogged again in a short time – what is the reason?

BMW driver question

My BMW had its DPF filter replaced with a new model from JMJ. After almost two months, the filter light on the dashboard came on. I filed a complaint with the mechanic, who stated that “the lambda probe and glow plug controller are defective”. After replacing these parts, trying to burn out the filter does not work. In addition, it turns out that the light comes on even without the engine running (on the ignition itself). Does this mean that the filter needs to be replaced once again?

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Inability to put a reverse gear in a BMW – how to fix it?

BMW driver question

I have a manual transmission and all gears work perfectly. There is only one problem with the reverse gear. I can’t reverse because the gear can’t be put into gear. How can this fault be solved?

The problem occurred in a BMW 5 F10 with a 2.0 diesel engine, but it can also happen in other models.

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