E92 330i Petrol

[Allanv]

Good evening.

I have a bloody weird issue with my car, under 30 mph it stutters sort of a hesitation but give it a bit more right foot and it is fine.

History:

A year ago it had coils / Injectors and plugs replaced, Carly shows no errors but it is a hesitation and weird.

Google does throw some things as I do short trips so maybe MAF sensor or Vanos valves might possibly need cleaning. the NOX aging error is there but has been for 3 years. I have scheduled a regeneration but need to do a motorway run so will pop to Swindon on the weekend.

All the usual high pressure fuel issues we done under warranty 2 years ago.
I may have everything covered but appreciate if anyone can suggest something else to try.

Thank you

[helix402]

Google can be a double edged sword for diagnosis. I’m afraid I haven’t got any cures for your problem, don’t bother cleaning the air mass meter as they are self cleaning.

[bmwmike]

N53.. check out bimmerprofs website, might have some info.

Depending on mileage I wouldn't discount coked up inlets.

[Mr Tidy]

bmwmike said:

N53.. check out bimmerprofs website, might have some info.

Depending on mileage I wouldn't discount coked up inlets.

I read plenty about BMWs of this era - so when I looked for an E91 earlier this year I only looked for ones with the N52 engine!

If it's coked up walnut blasting seems highly recommended, but could it be an injector problem?

Anyway I hope you can get it sorted without too much grief.

[Allanv]

Well an update:

The juddering while driving is listed as one of the symptoms that is set out in the battery cable recall notice I have been sent.

As usual they do not have any parts as yet but I am working away for a bit so the car can stay in the my garage while they get some more.

Hopefully that will be the fix or else more diagnostics are needed.

[Allanv]

Update 2.

Had some other small issues so while in with my indi I asked him to clean the 2 vanos valves and the MAF sensor and the juddering has gone.

So a result there, still no idea when the recall will take place.

[Mr Tidy]

Allanv said:

Update 2.

Had some other small issues so while in with my indi I asked him to clean the 2 vanos valves and the MAF sensor and the juddering has gone.

So a result there, still no idea when the recall will take place.

Great news on the juddering OP.

Nothing happening on the recall with my E91 - just a call to say they are still working on it would be reassuring!

And much more useful than all the calls and texts after work has been done to get my feedback.