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sarahhartmann61

Mini Cabrio engine behaving strangely

My 2015 Mini Cabrio's engine is behaving rather strangely. I've got a fault code showing, and the engine power is noticeably reduced. The car diagnostic indicates a possible issue related to chip tuning done by a third-party provider. It has 163379 km on the clock, and the dashboard light is on. Has anyone experienced something similar?

Summary of the thread

A 2015 Mini Cabrio was experiencing strange engine behavior, reduced power, and a dashboard warning light, with a fault code indicating a potential issue linked to third-party chip tuning. The problem was suspected to be caused by incorrect signals from the chip tuning, affecting engine performance. The solution involved removing the chip tuning, which cleared the diagnostic code and restored optimal engine performance.

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4 comment(s)

juliahimmel10

Sounds like your Mini's car computer is throwing a fit. A fault code with reduced engine power at that mileage often points to sensor issues or indeed, as you suspect, dodgy aftermarket tinkering. Did you run an auto scanner yourself, or did a garage give you the diagnostic code?

sarahhartmann61 (community.author)

I used a generic auto scanner to read the diagnostic code. I'm not very familiar with car diagnostics myself. Is it possible the chip tuning is the direct cause, or could it be something else triggered by the tuning?

juliahimmel10

Think of it like this: the chip tuning rewrites the rules for your engine. If done poorly, it's like telling a chef to follow a recipe with incorrect measurements. The engine might be getting incorrect signals, causing all sorts of issues and throwing error codes. Given the symptoms and the tuning, it's highly probable that's your culprit. Best bet is to get it checked at a workshop; they should be able to confirm and rectify the issue.

sarahhartmann61 (community.author)

As suspected, the issue was indeed related to a poorly implemented chip tuning. I had it removed and the car diagnostic was cleared. The dashboard light is now off, and the engine is performing optimally again. The overall cost was 180€.

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MINI

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CABRIO