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Old 22nd November 2015, 06:48 AM Thread Starter
Buyerm5
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m5 e60 injector change bargain price

Just replaced 10 bosch injectors not because i have running problems but due to the age and potential hydrolock, its more time consuming with the stripping and cleaning ready to take the new parts, I used a very very light motor oil and tiny amount on the orings when inserting, and do one side at a time, note the new injectors come with the correct orings top and bottom, i also replaced the retaining clips with new BMW ones, really cant believe the diffrence in power, acceleration nearly caught me out non m mode standard map loaded, as wasent expecting any change really, but really is a whole lot smoother inc idle

Anyway heres a link to the ones I fitted http://www.rmeuropean.com/Products/1...893-MFG14.aspx
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Old 22nd November 2015, 01:57 PM
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That's interesting, I never gave much thought to it, but I suppose it makes sense that injector performance would degrade over time. I wonder if it's from degrading electrical characteristics or mechanical?
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Old 22nd November 2015, 02:45 PM
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Originally Posted by Buyerm5 View Post
Just replaced 10 bosch injectors not because i have running problems but due to the age and potential hydrolock, its more time consuming with the stripping and cleaning ready to take the new parts, I used a very very light motor oil and tiny amount on the orings when inserting, and do one side at a time, note the new injectors come with the correct orings top and bottom, i also replaced the retaining clips with new BMW ones, really cant believe the diffrence in power, acceleration nearly caught me out non m mode standard map loaded, as wasent expecting any change really, but really is a whole lot smoother inc idle

Anyway heres a link to the ones I fitted http://www.rmeuropean.com/Products/1...893-MFG14.aspx
Interesting. What year is your ///M and how many miles do you have currently?
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Old 22nd November 2015, 02:53 PM
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To JColley's point; Take resistance readings on the old injectors and post your data. Hopefully, in the near future someone will read this and decide to purchase new injectors and will take resistance readings prior to plugging them in. I'm curious to compare your values against new injector values.
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Old 22nd November 2015, 03:36 PM Thread Starter
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For me its not about resistance these older m5 e60 injectors have been known to stick open and hydrolock damaging your engine, you are saving nearly $1000 dollars and thats not vs bmw pricing, asking me to check resistance on the old vs new is a complete waste of time, its flow rates that decline and the locking open is mechanical, and from past experience having them cleaned and flow tested is another waste as normally leads to dripping injectors and poor starting, so always fit new and put it to the top of any list! Forget testing old one you either choose to do it or you dont simples..
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Old 22nd November 2015, 05:01 PM
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how many miles on the m5 before you changed the injectors? how difficult of a job / time it took?
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Old 22nd November 2015, 08:03 PM
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For me its not about resistance these older m5 e60 injectors have been known to stick open and hydrolock damaging your engine, you are saving nearly $1000 dollars and thats not vs bmw pricing, asking me to check resistance on the old vs new is a complete waste of time, its flow rates that decline and the locking open is mechanical, and from past experience having them cleaned and flow tested is another waste as normally leads to dripping injectors and poor starting, so always fit new and put it to the top of any list! Forget testing old one you either choose to do it or you dont simples..
Oh, my bad. I thought they still made injectors with internal solenoids.

So, help me out. Why does these things stick open? Faulty coils? Faulty return springs?

Which injectors are in these S85's anyway, Pintle or disc?

Thanks for the lead on the new injectors...

Last edited by Coors; 22nd November 2015 at 08:17 PM.
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Old 22nd November 2015, 08:32 PM
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Good gosh those are cheap. Here I am looking at a set of four Injector Dynamics ID1000s for my WRX at $480.00 a set.....

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Old 1st December 2015, 10:35 AM
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Quote:
Originally Posted by Buyerm5 View Post
......


....take the new parts, I used a very very light motor oil and tiny amount on the orings when inserting, and do one side at a time, note the new injectors come with the correct orings top and bottom, i also replaced the retaining clips with new BMW ones, .......
.


So, beside new OEM BOSCH injectors, is also worth to replace the Clamps and O-rings?


Are those OE the right one?
10x OE Clamps -> 13537528539

2x 10pic OE O-rings-> 13647675557 and 13641437474 (13641437476 )


no.7,8,9
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Old 1st December 2015, 11:09 AM
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BTW; On the OEM BOSCH injectors that I have bought, I have noticed, that the o-rings and the clamps are already mounted?



Last edited by Hamster; 1st December 2015 at 11:17 AM.
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