Diagnostics & Mystery ProblemsDIYCommunity Starter

2015 BMW 335i — check-engine light turned itself off — still scan it?

CamberFanCommunity StarterJan 23, 20262015 BMW 335iNashville
The light was on for two days and then disappeared before I could schedule service. Car feels normal. Is there still likely to be useful stored or pending data if I scan it now?
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2 replies

DailyGeek732Community StarterCommunity StarterJan 24, 2026permalink
I'd want a measurement, not a hunch. Loaded-suspension checks on the 2015 BMW 335i catch play that a wheels-hanging inspection misses. Save the big job until that test fails. Learned this the expensive way on a previous car. Not interested in a five-hour wait for a shrug.
DailyGeek732Community StarterCommunity StarterJan 24, 2026permalink
This is usually cheaper to test than to guess. Two 2015 BMW 335is can feel identical and have different causes, so measure before you copy someone else's repair. You'll know quickly if you're on the wrong tree. This is from a 2015 BMW 335i in Nashville. A shop burned me once by skipping that step. Not driving it hard until I know more.
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