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      01-17-2018, 03:28 AM   #45
smellypoo
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Drives: E90 325i LCI M Sport
Join Date: Nov 2017
Location: London

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Quote:
Originally Posted by richk84 View Post
When my injectors were done last year I had one faulty and they replaced the lot. Apparently that's what the PUMA document is now recommending. As a minimum I think it's not recommended to mix and match on banks.Since mine were done the car has ran great for a good 9 months now
I also read something about the internals being slightly different on index 11, apparently anything below 11 can be 'mixed' but 11 onwards should be the same for a bank. Before I had my 2 faulty injectors replaced, I had 2x index 11 and 1x index 4 on each bank. No idea why, other than thinking someone decided to do a fix as cheaply as possible.

(sorry about the thread-jacking Tim!)
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