330i N53 pinking on normal fuel
Discussion
I'd ask the BMW forums, but they only seem only interested in stickers and body kits, so thought I'd ask here first.
I have an e92 330i with the N53 engine and it's pinking when I use normal octane fuel.
I ran it to empty, filled up with shell v power this morning and the pinking has disappeared completely.
I get a slight rattle at very low rpm in a high gear. It's not terrible and can be controlled with light throttle, but it certainly isn't right.
At least my fears of big end worries have gone and it's most certainly a problem with ignition timing.
I've got no error codes or warning lights either. I filled up with v power today and the problem has gone.
Has anyone else experienced this and got a solution? I don't want to go to a main stealer as they'll just swap parts until it's fixed costing me a fortune and from what I've read, others with this problem have been fobbed off with being told it's normal or it's the injectors. I don't buy that.
Could it be knock sensor? Is there any way to reliable diagnose this?
I have an e92 330i with the N53 engine and it's pinking when I use normal octane fuel.
I ran it to empty, filled up with shell v power this morning and the pinking has disappeared completely.
I get a slight rattle at very low rpm in a high gear. It's not terrible and can be controlled with light throttle, but it certainly isn't right.
At least my fears of big end worries have gone and it's most certainly a problem with ignition timing.
I've got no error codes or warning lights either. I filled up with v power today and the problem has gone.
Has anyone else experienced this and got a solution? I don't want to go to a main stealer as they'll just swap parts until it's fixed costing me a fortune and from what I've read, others with this problem have been fobbed off with being told it's normal or it's the injectors. I don't buy that.
Could it be knock sensor? Is there any way to reliable diagnose this?
I checked my fuel cap and it does only say 98 ron fuel, nothing else. It should run fine on 95 though, albeit with unnoticeably less performance.
I rang A1BN in stevenage and they really know their stuff, but refused to speculate on what it is without a full diagnosis.
It could be injectors, but mine have all been change by BMW under goodwill for the later uprated versions.
It could also be carbon build up, which is not out of the question as it's D.I and got 100k+ on the clock. However I got no stuttering and it drives smooth as a gravy sandwich, which suggests it's all pretty clean.
If money was no object I'd send it in for a walnut blast, but at nearly £600 I could do without that. My hunch is knock sensor on this one though as the high octane fuel totally cures it.
I'm heading abroad for a few months soon, so maybe when I get back. For now I'll just enjoy some v power and live with it.
I rang A1BN in stevenage and they really know their stuff, but refused to speculate on what it is without a full diagnosis.
It could be injectors, but mine have all been change by BMW under goodwill for the later uprated versions.
It could also be carbon build up, which is not out of the question as it's D.I and got 100k+ on the clock. However I got no stuttering and it drives smooth as a gravy sandwich, which suggests it's all pretty clean.
If money was no object I'd send it in for a walnut blast, but at nearly £600 I could do without that. My hunch is knock sensor on this one though as the high octane fuel totally cures it.
I'm heading abroad for a few months soon, so maybe when I get back. For now I'll just enjoy some v power and live with it.
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