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      01-12-2016, 06:11 PM   #1
BuddyHarris
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Exclamation E71 08' N54 (35xi) Recommendations

Hello,

I'm new to the BMW society, I recently acquired an 08' X6 35xi.. It's come to my attention that the 08' model was the only year BMW used the N54 engine type in the E71 style/frame. That being said, it's been a nightmare for myself trying to find mods for this vehicle! I figured it would be easy since the N54 engine is the most customizable engine BMW makes (one can argue). Thus why I'm hear seeking support!

My current modifications: running MDH Flasher tune (~50hp, 4lbs of boost), KNN high-performance air filter, and a muffler-delete. I've replaced all the spark plugs and ignition coils. I will be walnut blasting the carbon build up next weekend (I'm currently at 76K miles).

I've tried to install the aFe Stage 2 N54 DCI intake system, and it doesn't fit my vehicle (as stated). Apparently, the N54 engine in my vehicle is some-what different than other vehicles.

My questions
:
Does anyone know of an after market intake system for this vehicle?
Has anyone replaced their charge pipe? If so, what brand? (I'm looking at ER with HKS bov.)
Wheel spacers, BMS doesn't support X5/X6, any recommendations?
Oil catch can, Burger Tuning states their's won't fit, recommendations?
Catless down-pipes, recommendations?

Feedback appreciated. Pictures to come.

Below are pictures of my engine with the intake system removed.
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Cheers,
Buddy
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      07-27-2017, 11:01 AM   #2
theomajigga
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Buddy, did you ever hear or find anything for this car?
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      05-09-2018, 08:42 PM   #3
Bmf007
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Vrsf makes good down pipes and charge pipes not sure for yr year. Got a 2013 x635i n55 motor. Have a k@n filter catless downpipe and a race chip tune. Going to unlock my dme and run a mhd flash when it's done also cored my muffler and. sounds wicked. And welded the flapper valve open.
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      07-25-2018, 09:44 PM   #4
Polarx6
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I contacted vrsf and they do not make any parts for n54 e71 sigh. Custom is an option but cost more $$$
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      08-09-2018, 03:18 AM   #5
urabus040
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On my N55 i have the vrsf DP and wow what a difference, intake i used was the burger tuning, i still have the exhaust to do, and have the tune done at turner, and yes im rolling the the engine light from the cats being removed, does not hamper performance, the charge pipe is the next on the to do list, once you source the DP theres a big difference, and dont forget the DP fix if your state has yearly inspections, BOV mmmmm thats a little tougher
Go fast bits has a improved on turbo bov that is stated to hold boost better, the most ive seen with a full fledged bov is custom turbo and intake with dedicated waste gate DP ive looked into the catch can as well and your best be is to get a universal kit, but spend the little extra cash and get quality universal kit

Last edited by urabus040; 08-09-2018 at 03:28 AM..
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