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BMW 5-Series (G30) Forum Mechanical Maintenance - Break-in, Oil, Fluids, Servicing 2018 540i engine mounts

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      05-21-2021, 08:43 AM   #1
BWTX540i
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2018 540i engine mounts

2018 540i, about 28K miles. Have had some brake squealing and noise from the sunroof, but I generally don’t like to take my car in unless there is something major wrong. The brakes only squealed in reverse, and the sunroof only made noise when I went over bumps, but as I’m nearing the 3 year mark for the 3 yr/30,000 mile maintenance, I went ahead and took the car in to have them check the brakes and sunroof.

Glad I did. They fixed the brakes and had to replace the sunroof (seal and glass). But, unexpectedly, they noticed excess engine vibration during the test drive and found that both engine mounts were collapsed, so those were replaced as well. Not sure why they would have been in such bad shape at less than 30k miles, but glad I brought it in. Just thought I’d share the motor mount item as that was not expected.

One observation on the loaner car. I had a 2021 M235, and there must be some different glass or coating on the rear and side view mirrors compared to my car (either the 2021 models or the 2 series specifically) . You know how when people have LED lights and film their car, the video often shows the lights strobing? Well, whenever a car with LED lights was behind me, when I looked at the lights in either mirror, they were slightly strobing. Only in the mirrors, though. Does not happen in my car, and does not happen when I look at them directly, only through the mirrors in the M235.
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2018 540i: Carbon Black / Black Dakota, M-Sport, 20” wheels, driver assist, driver assist +, park assist, multi contour seats, HK surround, wireless charging
2011 535i: (Previous) Dark graphite/everest gray
2007 530i: (Previous) Titanium silver/gray
2001 330i: (Previous) Titanium silver/black
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      07-02-2021, 02:05 PM   #2
BigJ540
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did they say if the engine mount failure and sunroof issue are common?
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      07-09-2021, 06:38 PM   #3
BWTX540i
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Sunroof yes. Engine mounts no.
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2018 540i: Carbon Black / Black Dakota, M-Sport, 20” wheels, driver assist, driver assist +, park assist, multi contour seats, HK surround, wireless charging
2011 535i: (Previous) Dark graphite/everest gray
2007 530i: (Previous) Titanium silver/gray
2001 330i: (Previous) Titanium silver/black
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