BMW n47 fuel injector lifespan?

mikeecho

Just a query, what the life expectancy of the fuel injectors on a BMW F10 with the n47 engine.

Bmw123d

mikeecho wrote: »

Just a query, what the life expectancy of the fuel injectors on a BMW F10 with the n47 engine.

I’ve seen quite afew of these injectors being taken in and out of engines when rebuilding engines after timing chain snapping etc. To be honest I haven’t seen them give much trouble with up to 100000km on the clocks but I have also had the odd one for what ever reason hear and there go. I’ve never had to replace or get all 4 overhauled in one go so it’s hard to put a time frame on it. But to be honest I think there quite a reliable injector.

mikeecho

Bmw123d wrote: »

I’ve seen quite afew of these injectors being taken in and out of engines when rebuilding engines after timing chain snapping etc. To be honest I haven’t seen them give much trouble with up to 100000km on the clocks but I have also had the odd one for what ever reason hear and there go. I’ve never had to replace or get all 4 overhauled in one go so it’s hard to put a time frame on it. But to be honest I think there quite a reliable injector.

I'm currently touching 200,000km
And I've had the car for the past 120,000km.
As far as I know, it's still on the original injectors.

sumo12

I'm one step removed from this, but I don't recall the injectors giving much trouble in the N47 Avensis. Timing chains, on the other hand, are made of cheese

route66

sumo12 wrote: »

snip
N47 Avensis.

snip

The OP is talking about the BMW N47 2.0 diesel engine

Bazzy

route66 wrote: »

The OP is talking about the BMW N47 2.0 diesel engine

Which is used in the Avensis and Rav4

route66

Bazzy wrote: »

Which is used in the Avensis and Rav4

Didn't know that. Apologies - and to the OP - for being a smartass

sumo12

route66 wrote: »

The OP is talking about the BMW N47 2.0 diesel engine

Erm.. same thing... BMW inflicted the lump of crap on unsuspecting Toyota owners in exchange for bulletproof Hybrid technology. I wonder who got the better deal? Toyota haven't been long about banishing it for ever

bazz26

BMW didn't inflict anything on Toyota. Toyota mainly only sold diesel passenger cars in Europe and their own in house engines simply didn't meet the EU emissions test standards anymore at the time and they still needed a diesel engine to try competing in Europe. They struck a deal with BMW to supply BMW's old generation of N47 engines which still met the EU emission standards, in exchange for BMW access to their hybrid technology. BMW had almost replaced the N47 engines in their own cars at that stage anyway with the B47 engines. And Toyota didn't banish them because they knew better, they had a short term deal with BMW to supply them for a period of time.

mikeecho

So, am I am looking at having to change out/ recon the injectors anytime soon?

Or am I good for another 100k ?

sumo12

bazz26 wrote: »

BMW didn't inflict anything on Toyota. Toyota mainly only sold diesel passenger cars in Europe and their own in house engines simply didn't meet the EU emissions test standards anymore at the time and they still needed a diesel engine to try competing in Europe. They struck a deal with BMW to supply BMW's old generation of N47 engines which still met the EU emission standards, in exchange for BMW access to their hybrid technology. BMW had almost replaced the N47 engines in their own cars at that stage anyway with the B47 engines. And Toyota didn't banish them because they knew better, they had a short term deal with BMW to supply them for a period of time.

You are 100% factually correct - but that's not the way Toyota customers saw it - and it certainly hastened the decision to end diesel passenger cars from the range. If Toyota still had a reliable, emission compliant diesel engine available, I'm sure they would still have diesel options in the passenger car range.

sumo12

mikeecho wrote: »

So, am I am looking at having to change out/ recon the injectors anytime soon?

Or am I good for another 100k ?

Sorry for sidetracking your original question OP - in my opinion, yes you are all good!

swarlb

My missus has a 5 series with this engine, 470,000 odd km on the clock. Fairly certain it's got the original injectors. As it happens its a bit 'lumpy' on start up, but runs fine after a few mins. I often wondered was it an injector.

CoBo55

swarlb wrote: »

My missus has a 5 series with this engine, 470,000 odd km on the clock. Fairly certain it's got the original injectors. As it happens its a bit 'lumpy' on start up, but runs fine after a few mins. I often wondered was it an injector.

Most likely a dead heater plug.

Wetbench4

swarlb wrote: »

My missus has a 5 series with this engine, 470,000 odd km on the clock. Fairly certain it's got the original injectors. As it happens its a bit 'lumpy' on start up, but runs fine after a few mins. I often wondered was it an injector.

Glowplugs/glowplug controller may need replacing.. If it was your injectors it would be lumpy all the time, not just when you start it..

swarlb

Wetbench4 wrote: »

Glowplugs/glowplug controller may need replacing.. If it was your injectors it would be lumpy all the time, not just when you start it..

I'll have them checked, thank you.

cournioni

mikeecho wrote: »

So, am I am looking at having to change out/ recon the injectors anytime soon?

Or am I good for another 100k ?

The injectors should last a good length of time as long as the diesel you’re putting into it is of good quality and the vehicle is maintained very well. The injectors you have in yours are more than likely not recondition-able as the N47 engine has the Bosch Piezo injector in it - no legit or reputable repair to these.

CoBo55

swarlb wrote: »

I'll have them checked, thank you.

I said that to you earlier... Strange you didn't recognise or thank my post, that's boards for you.

sumo12

CoBo55 wrote: »

I said that to you earlier... Strange you didn't recognise or thank my post, that's boards for you.

You Ok hun?

swarlb

CoBo55 wrote: »

I said that to you earlier... Strange you didn't recognise or thank my post, that's boards for you.

I replied to the other poster simply because they also gave an explanation why it might not be an injector. It was not a reflection on your post.
Is it a requirement on Boards now to reply to every suggestion by every poster ?

CoBo55

swarlb wrote: »

I replied to the other poster simply because they also gave an explanation why it might not be an injector. It was not a reflection on your post.
Is it a requirement on Boards now to reply to every suggestion by every poster ?

No, just good manners, must have been the way I was reared.

cml387

What a strange short thread its been.

swarlb

CoBo55 wrote: »

No, just good manners, must have been the way I was reared.

It must have been alright !