[3t3p]

For those considering the P500 came across this YT post.

Change the intake people!

[ZM2]

Originally Posted by 3t3p

For those considering the P500 came across this YT post.

Change the intake people!

What kind of car?

[3t3p]

M135i EWG

[ZM2]

Originally Posted by 3t3p

M135i EWG

The M2 already has a good stock intake. There hasn’t been much proof of aftermarket intakes producing anything except excessive noise and CELs on the M2 unless you’re pushing serious power.

[3t3p]

That might be, didn't think that the m135i box might not be the (ppk?) one but even if spool pickup is improved it can give the impression of more pep.

I find my intake creates a sensation of a pressured tube of air always against the impeller and think with a larger turbo it will really help.

[johnung]

Originally Posted by 3t3p

For those considering the P500 came across this YT post.

Change the intake people!

The horsepower numbers in those two Dynos are within 4% of each other, so not very significant. That difference probably has nothing to do with the intake itself. If the stock airbox had a stock cheap paper filter and the aftermarket intake had a free flow airfilter (which 90+% of them do), the difference in the two filters could easily cause a 4% difference.

There are actually two types of intake upgrade options with performance in mind.

OPTION A: STOCK AIRBOX WITH DROPIN FILTER

NOTE: Keeping the stock intake means no chance of throwing a Check Engine Light.

That post is saying “standard airbox”. It’s not the standard airbox that is the option. It’s the stock airbox with a drop-in free flow airfilter such as the aFe (in photo). Getting rid of the constrictive stock filter material alone can provide a small performance bump.

BMW sells an M Performance Intake (see photo) which is basically a modified airbox bottom with an extra air hole cut in it that is trimmed in red plastic and faces forward towards the incoming cold air flowing from the front grille. It lets extra air get to the filter and allows turbo spool sound to come out.

The stock airbox bottom can be modified by cutting holes where the extra MPI hole is. (See photo) It’s easy to do and hidden from view when you open the hood. Essentially it’s a free M Performance Intake.

OPTION B: AFTERMARKET INTAKE WITH LARGE CONE AIR FILTER.
The cone airfilter has a larger surface area than the standard rectangular drop-in filter.

NOTE: Many aftermarket intakes are poorly designed. They modify the MAF sensor area, causing a Check Engine Light. Most aftermarket intakes are designed to create louder spool noise, not to actually increase performance.

IMO ignore all the nonsense about “closed”, “open”, “cold air”, etc. They are all used as marketing terms to convince people to buy their intake. Make sure the very top of the air filter is covered to prevent the hottest air at the top inside the hood from being pulled directly in.

IMO the MST Intake has the best combination of no CEL, large cone airfilter, heat shielding, unencumbered cool air flow and smooth air tubing. Works great for high horsepower engines.

For an N55 Pure500, the modified stock airbox with a drop-in aFe airfilter is a great choice. OR the MST Intake with the cone filter is also a great choice.

Hope this helps!

[Sparky68]

I have a K&N drop in filter , might have a go at that mod this weekend.

[ZM2]

The M2 intake already has an extra hole in the bottom like the N55 MPPK.