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Old 07-15-2016, 08:41 PM   #1
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e46 Fuel Inj

Hey guys, today I was taking off the fuel rail and think I may have broke an injector in the POS of cyl 6...

Do I need to re code injectors if I just replace them all?

Can I use 42lb EV1 injectors to replace them?

Thank you!
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Old 07-16-2016, 06:41 AM   #2
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No, and no.

Installing higher flow rate injectors won't change anything. The ECU controls the injectors.
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Old 07-16-2016, 08:49 AM   #3
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Unless you reprogram the DME for different injectors, and replace all of them, it wont work. I'm also against replacing one injector with a new one, and keeping the other 5 with xxx miles. You will have very different flow patterns from the old to new. You could get a "New" used one, and have them serviced at an injector shop, or replace all of them new.
<a href=http://forum.e46fanatics.com/showthread.php?t=1094528 target=_blank>http://forum.e46fanatics.com/showthread.php?t=1094528
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Old 07-16-2016, 08:53 AM   #4
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He just said u didn't need to re program the injectors? I plan to replace them all so are you saying I can or can't replace them with 42lb and be safe? If the ECU controls flow shouldn't matter right? Thank you
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Old 07-16-2016, 08:59 AM   #5
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I'm not sure what size the oem injectors are, but 42s are pretty big. The computer can only do so much to pull fuel out. You'd likely hit the lean correction limit and throw a code. There are sets of refurbished injectors (ultrasonically cleaned with new baskets and o rings) for like $60 on ebay. Putting in bigger injectors on a stock car is pointless and the car would likely run worse, especially in open loop
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Old 07-16-2016, 09:02 AM   #6
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Mind sending a link? Can't say I have found any. Thanks
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325xi, e46, fuel, injectors, rail

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