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      08-15-2018, 09:52 PM   #40
mweisdorfer
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Drives: 2007 Black/Black 335i e90
Join Date: Apr 2011
Location: Holly, MI

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2007 BMW E90 335i  [0.00]
2008 bmw x5  [0.00]
Quote:
Originally Posted by Occ224 View Post
Quote:
Originally Posted by mweisdorfer View Post
Here's a set of refurbished index 9's.

https://m.ebay.com/itm/6-OEM-Fuel-In....c100935.m2460
Alright man I'm gunna buy those. Hopefully thats the problem. Could you think of anything else it could be? Fuel pump? fuel filter? needs a clean? I just think its weird how it took about 20 miles of driving slightly hard to start misfireing instead of showing signs as soon as I started it.
You coded the new index 12 injector to the DME right? Because if you didn't, that would be a reason why your are still getting misfires.

Misfires 9/10 are

1) bad plugs
2) bad coils
3) bad injectors

If you buy the index 9 injectors from eBay, expect them to last maybe 25,000 miles or so. 40k at best.

You'll need couplers

Hopefully, they will have new seals on them. I would think they would.
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