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Old 06-18-2017, 02:06 PM   #1
yeaseth
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Episode 6 - 3.5" MAF Upgrade Video

Hey guys, Here is Episode 6 from my instructional video series. I mainly focus on how I performed the 3.5" Mass Airflow Sensor upgrade on my E36. Here's the link:

https://youtu.be/sT8Rpm-5Mys

Again, there are different ways to perform this upgrade, this video just shows I went about it. More info in the description of the video. Please share this with anyone interested in this upgrade!
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Old 06-25-2017, 08:37 AM   #2
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Old 06-28-2017, 11:18 PM   #3
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Cool video.
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Old 07-05-2017, 01:22 PM   #4
DesertBMW
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This is no upgrade. It is more of a downgrade. Stock MAF, stock injectors and stock intake are not restrictive on 1995 m3.
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Old 07-07-2017, 06:52 PM   #5
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Originally Posted by DesertBMW View Post
This is no upgrade. It is more of a downgrade. Stock MAF, stock injectors and stock intake are not restrictive on 1995 m3.


What are the restrictions in order of importance then...


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Old 07-10-2017, 08:48 AM   #6
Northern
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MAF is the least restrictive part of the intake, besides the manifold itself(assuming M50)

I think it's generally assumed the TB and filter are the biggest restrictions, but I don't have any data to give you to prove it.

Dave's dyno thread has some comparisons between stock and 3.5" MAFs on relatively stock engines (s52 with M50 manifold + CAI setups/exhausts and the like) and it doesn't support this mod at all for engines at that level of build.
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