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2010 2011 BMW 5 Series Forum F10 F11 Air suspension inconsistent |
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03-07-2019, 05:32 AM | #1 |
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F11 Air suspension inconsistent
Hello
I have a 2011 F11 523i (love that straight six petrol sound). But recently having a weird air suspension issue which is inconsistent. On the passenger side, it occasionally drops. Once ignition is started, it levels back up, no error codes, all fine. It might stay at that level for 4 days unused. Then car is used, parked up, after 1 hour, it's dropped. Local garage plugged in diagnostics, no error codes. Tried soapy water on the affected areas, saw no air leak bubbles. If it were a control module misbehaving, you'd expect an error code? If it were a leak, you'd expect a consistent deflation pattern? Thoughts? |
03-07-2019, 02:14 PM | #2 | |
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03-07-2019, 05:22 PM | #4 | |
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Had the car back in, as they wanted to perform more checks at BMW's direction, like cross fitting the air lines. Was told that just threw the electronics into confusion. Nothing showed up, so they did the bubble test again, nothing. They were sure it was the air spring, so devised a test on the ramp to apply more load to the springs. Left the car there and the Tech kept going back to check for bubbles. Eventually he spied some bubbles. As he said to me, next time they will use the same test when they suspect a spring and the normal bubble test fails. |
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04-07-2019, 01:54 PM | #6 |
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So, quick update. Replaced both air suspension bags with Arnott replacements courtesy of my local garage, for £400. A lot less than BMW I'm guessing.
Turned out to be a blessing, on the inside of the rear tyre wall, there was some unexpected wear (only visible by removing the wheel) - needed replacing, so all safe now! |
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06-25-2022, 09:13 AM | #8 |
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I'm having the same issue. Is it ok to replace just 1 bag or should I replace both?
The other one has been replaced not too long a ago at the dealership by the previous owner. |
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02-19-2023, 03:03 AM | #9 |
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Hi, did you have any problems after changing the air bags? I changed mine and after 4 weeks (nearly to the day), I started to have problems again. I have checked for any leaks and can’t see anything and the problem seems to be very intermittent.
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