Major disappointment ...e89 people please read

[Slaaters]

If I am to believe the advice/ diagnostic assessment of the chief technician at my BMW main dealer I am seriously disappointed with my new z4.

I have a noise that kicks in at 1800rpm that would be best described as; a foot operated dentists drill from the Victorian period being offered up to a metal plate... The noise stops when I come off the accelerator.

I was told by the chief technician (following a diagnostic assessment- print offs were proffered) that there was no problem, and that this was simply the sound of the injectors switching over their mix (or something along those lines)

People of z4 forum in e89's.... Is this the sound of a new BMW engine these days...?? If so... Does anyone else think it's sounds more like a problem than a pleasure based sound from the 'ultimate driving machine'???

2lt. M sport.

[TitanTim]

Perfectly normal, enjoy the Zed

Tim.

[CornishRob]

Not sure on the E89, but the E85/86 are fairly tappy as well so probably normal.

I guess as engines get quieter, you can hear more of the internals working!

[inkey$]

Does sound like a BMW engine tbh. Raw, tappety sort of metallic noise at higher revs, yeah?
Standard issue performance Bavaria I reckon - even the 2l

[ronk]

Nothing like that on my 3.0 I'm pleased to say.
It's more like a well oiled sewing machine.

[lux]

Normal....pissed me off at first, don't hear it anymore.

[ronk]

Is this noise only on the four pots ?

[lux]

Yep, can't remember having it on my 23i.

[ronk]

Not good is it? It would certainly brass me off as well!
Is it audible travelling with roof down?

[Sim_Simma]

Injector noises seem to be quite common on a lot of cars tbh. Talking cars I've heard in the flesh although I've not heard an e89 to compare to others I've heard.
my z4m on the other hand, makes an annoying noise on a cold start that gets better when warm but still evident on tickover and low rev/low labour cruising. Sound amazing under load but annoying under those circumstances. I'm sure it's normal but I don't like it. Previous car was a v8 jag though lol.

[Slaaters]

Thanks everyone...appreciate your replies. If that; it I guess I have to live with it...

(After I've been back to the dealer and got them to take me out in another z4 - if I hear it there too- only then will I be convinced it's not a mechanical problem)

Please continue to add to this if you have the e89 and think/ hear the same.

(In response to questions; haven't noticed it with roof down yet/ but I don't drop it often. And I don't know what "pots" are)

[ronk]

Pots = cylinders , bit slang really!

[Angie4m]

And I don't know what "pots" are)

You have a 4 Pot as it's a 4 cylinder.

[JustCruzin]

Give it a bit of time. It will eventually purr or growl whichever way you perceive it. Persevere. It is a cracker of engineering!

[lux]

You can only hear it when tootling along at 20/30 mph, and when lifting of the throttle. Give it some beans and you won't notice it