[Nemziaa]

Hey,
I'm new to this forum so if I've posted this in the wrong place I'm sorry
I've just bought a bmw 325i E90 2012 LCI.
Got it all checked out before buying and everything came back good.
I just noticed a couple of things that I was unsure of.
When I first start it after it's sat overnight I notice it judders a little, as soon as I start driving it goes away. It only happens as I'm pulling out/reversing out of my drive. As soon as I actually start driving it doesn't do it. Is that just from it being cold?
Also being a big kid and enjoying it the first few weekends, I notice when I accelerate fast to the speed I want and take my foot off the accelerator it holds the rpms before dropping down but it doesn't drop down smooth it drops kinda suddenly is this normal?

Thanks in advance

[whyzee125]

Does it misfire or is it more like the trans is juddering in the mornings when reversing, etc.?

Any codes?

Do you have a history of its recent maintenance?

The revs thing is fairly normal assuming this has a ZF gearbox, while it shouldn't be clunky they are known for that and isn't a huge cause for concern unless it's slipping, etc.

[Nemziaa]

Originally Posted by whyzee125

Does it misfire or is it more like the trans is juddering in the mornings when reversing, etc.?

Any codes?

Do you have a history of its recent maintenance?

The revs thing is fairly normal assuming this has a ZF gearbox, while it shouldn't be clunky they are known for that and isn't a huge cause for concern unless it's slipping, etc.

It has been regularly serviced at a euro mechanic, last one was done in October last year for its 100,000km service. It feels more like a judder, not sure if it's from the trans but kinda the same judder feeling I got on my last car when the fuel pump needed changing
As soon as I pull off it goes away though

[whyzee125]

Interesting. Sounds like a bit of a misfire but hard to say for sure. No codes I'm assuming?

[lowrydr310]

Originally Posted by Nemziaa

It has been regularly serviced at a euro mechanic, last one was done in October last year for its 100,000km service. It feels more like a judder, not sure if it's from the trans but kinda the same judder feeling I got on my last car when the fuel pump needed changing
As soon as I pull off it goes away though

That along with the description in your original post sounds like a fueling or spark issue, but it could be many other things. Do you have access to a scanner that can read the BMW-specific codes? That would help with the diagnosis.

We're not familiar with the LCI 325i in the US market; is that the N53 engine?

[Nemziaa]

Originally Posted by lowrydr310

That along with the description in your original post sounds like a fueling or spark issue, but it could be many other things. Do you have access to a scanner that can read the BMW-specific codes? That would help with the diagnosis.

We're not familiar with the LCI 325i in the US market; is that the N53 engine?

It is the N53, i have a copy of the scan that was done before buying it I'll find them and add to this post when I'm home. I'm pretty sure it had spark plugs changed in its last service, but I'll have to check the documents
The 2012 325i lci is basically a 330i detuned, no turbo and doesn't have a sunroof and other cosmetic things like that

[Nemziaa]

Originally Posted by whyzee125

Interesting. Sounds like a bit of a misfire but hard to say for sure. No codes I'm assuming?

I'll post a copy of the scan that was done on the car for the pre purchase inspection. Mechanic said there was nothing showing. Just fault codes for things like a sunroof, but it doesn't have a sunroof. The 2012 325i lci is a detuned no turbo 330i basically

[NZE90]

It will most likely be the injectors. The N53 is well known for injector problems. Do you know what index the injectors are?

[whyzee125]

I didn't realize 325's were N53's there. Yes, very likely injectors. Could be carbon buildup too. Which index injectors does it have?