BMW 1-Series Forum (F20) 135i - > Second Generation 1 Series Forum > 2012 BMW 1-Series Sporthatch (F20) Discussion > M135i Abs light/driver stability/traction
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      01-30-2024, 04:15 PM   #1

Drives: m135i
Join Date: Jan 2024
Location: east midlands

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M135i Abs light/driver stability/traction

Hi All,

Bought my first m135i and iím having some problems with it.

ABS light, traction light and driver stability warning is illuminated.

Fault code was showing 480AA3 on a basic reader.

Changed the driver side wheel speed sensor (£36 from gsf) and this did not rectify.

Also changed the arm and front brake pads at this time.

Then changed the wheel bearing. This again did not fix the issue.

After changing the wheel bearing the engine management light has disappeared however the others remain.

Has anyone experienced this or know what it could possibly be?

I know the car needs tracking and the wheels are slightly low on air as the cars been sitting for a while (could this be an issue)??

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      01-30-2024, 10:26 PM   #2
No one

Drives: F21 118i
Join Date: Oct 2014
Location: Undisclosed

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"Running On Empty"? Weird but numerous fault messages may result from an electrics failure like a rotten cable apart from the systems reported being faulty indeed. You need some diagnostics anyway. Pumping up the tyres won't help with those errors (you might need to reset the tyre pressure control though) but it's a good idea anyway.
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