Scooter84
Loud Exhaust on BMW 1: Over Run Map or Coding Solution?
Summary of the thread
The main issue is a loud exhaust on a BMW 1, specifically the F40 B48 model. The problem might be related to an over run map or coding. Suggestions include checking for loose or damaged components in the exhaust system and having a professional inspect it for leaks or damage.
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BMW
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1
CarlyMechanic
Check if there are any loose or damaged components in the exhaust system, such as clamps or hangers, as these can cause noise. If everything seems intact, it might be worth having a professional inspect the exhaust for any leaks or damage. Let me know how it goes or if you have further questions!