pinking on E34 525iSE touring.

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   I'm getting a slight pinking when the engine is under light/moderate load from about 1800 to 2700 rpm. Higher RPM and it seems to clear ok. Also in the 1800 to 2800rpm range when you lift of the throttle slightly it momenterily (fraction of a second) gets worse then then the noise goes. This lifting off of the throttle seems to provoke it more than actual acceleration.
What should I check/try first before mechaincal digging starts?
Otherwise it idles smoothly. It's slightly rattly in winter on cold startup tho for the first 30 seconds but once oil gets to the top of the engine it quitens down. 
Nev

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oddball Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Senior Member I Joined: 18-February-2005 Location: Shepperton Status: Offline Points: 112	Topic: pinking on E34 525iSE touring. Posted: 14-July-2006 at 11:23
	I'm getting a slight pinking when the engine is under light/moderate load from about 1800 to 2700 rpm. Higher RPM and it seems to clear ok. Also in the 1800 to 2800rpm range when you lift of the throttle slightly it momenterily (fraction of a second) gets worse then then the noise goes. This lifting off of the throttle seems to provoke it more than actual acceleration. What should I check/try first before mechaincal digging starts? Otherwise it idles smoothly. It's slightly rattly in winter on cold startup tho for the first 30 seconds but once oil gets to the top of the engine it quitens down. Nev

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Bigian Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Really Senior Member II Joined: 25-May-2005 Location: Stonehaven Status: Offline Points: 2167	Posted: 17-July-2006 at 16:26
	Check all your plugs - leads - ht lead - dizzy cap - timming - all that sort of things
	If you can't be good don't get caught --------------------------