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      10-16-2018, 07:49 PM   #35
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 TheMidnightNarwhal View Post
Quote:
Originally Posted by mweisdorfer View Post
Of you are looking for more noise, get rid of the H pipe & replace it with a SS X-pipe.

Get rid of the secondary cats & replace with 1792 Vibrant High Flow Resonators, in order to eliminate drone and rasp.

Consider high flow cats or catless downpipes & a tune.

If you go with a tune, make sure your plugs & coils are new. Make sure that your turbos & injectors are healthy.

I'll take a look into maybe removing my second cats after this winter...

As for tune plugs and coils I've been running stage 2 93 Oct without issue for a few weeks, I'll change them when they need to.

How do I make sure my turbos and injectors are healthy tho?
Coils & plugs lifetime is cut in 1/2 with a tune. So, figure 50,000 miles on coils & 22,000 miles on plugs. You should also be using the NGK plugs
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