BMW 1-Series Forum (F20) 135i - > Second Generation 1 Series Forum > DIY Guides and Instructions > Humming noise
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      04-05-2019, 06:51 AM   #1

Drives: BMW F20 116i
Join Date: Apr 2019
Location: Netherlands

iTrader: (0)

Humming noise


Last october I've bought a BMW 116i F20 2011. Now since a few weeks there is a strange humming noise when driving. It is noticeable at 50km/h but gets worse at 90-110 km/h.

At 13th of march I had a recall for some steering check-up. While I was there I had a convo with a BMW expert. He told me that the heatshield is a bit loose and he demonstrated that when the engine(?) is under 'stress' it ticks a bit (500EUR). Also I have to replace a Vanos valve (180 EUR). Both are not urgent according to the expert and he told me that he applied pressure to the heatshield to make sure it kinda stays in place.

In the following week it occured to me that the car makes more sound then I was used to while driving. Especially at 130-140km/h it sounds like I'm hurting the car. A friend of mine told me the car was way more noisy than before.

0:08 - 0:14 accelerating; you hear the turbo.
0:15 - 0:20 80km/h you hear the buzzing noise.

0:25 - 0:33 accelerating; you can hear the problem a little while speeding up aswell.
0:33 - 0:52 100km/h - 60km/h without breaking. Car is in 6th gear. The exact problem. Gets worse when driving 130-140.

I have 225/45R17 W 91 tyres; front 2.1, rear 2.2.
It sounds like it has nothing to do with the heatshield being loose and the sound appears to come from the rear seats; atleast the back of the car.

I hope you can help me out!

Thanks in advance!
Appreciate 0
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