engine is making a knocking sound

2011 BMW
700 MILES
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CKA62
  • MEMBER
  • 1 POST
NEW 61 PLATE SEPTEMBER 2011 KNOCKING SOUND FROM ENGINE, TOLD BY BMW THIS IS NORMAL, IS THIS TRUE, PETROL ENGINE SOUNDS LIKE A DIESAL CONVERTABLE MINI COOPER S COOPER WORKS TUNING KIT. NOT HAPPY WITH BMW ANSWER.
Nov 17, 2011 at 3:17 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Is it knocking under load if so could be detonating/pinging and the knock sensor is not retarding the ignition timing-
Nov 17, 2011 at 4:50 PM
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