CSL airbox: stock MAF vs. MAP — can I get truly OEM drivability?

[Cubieman]

Oh man, is the map and Mullet that much better than an Alpha-N dyno tune? (i'm on the HTE dyno tune for about 5 years now), may have to consider this as the next mod if so.

In the same boat, I'll be getting that tune sooner than latter, keep forgetting to do that.

I have heard enough good things from people on here that I feel like know what they are talking about to justify making a change.

I get bucking at idle speed, mainly when pulling into my garge, I have to feather the clutch or the car bucks pretty badly, it's annoying.
Maybe it's just something a bit wrong with the car in general but I want to try this new tune.

Even if there is some potential power loss, I likely won't notice with my driving style these days.

[siamkazi]

In the same boat, I'll be getting that tune sooner than latter, keep forgetting to do that.

I have heard enough good things from people on here that I feel like know what they are talking about to justify making a change.

I get bucking at idle speed, mainly when pulling into my garge, I have to feather the clutch or the car bucks pretty badly, it's annoying.
Maybe it's just something a bit wrong with the car in general but I want to try this new tune.

Even if there is some potential power loss, I likely won't notice with my driving style these days.

Agreed, driving is smooth for me now, no bucking, hunting etc but the members here are convincing me that I don't know what I don't know. Plus I'm not chasing power figures anymore, so a few whp won't be noticed.

[Bimma360]

Haha I just shot Bryson a PM. Although I am installing that new Eventuri Hybrid Carbon Airbox that retains the MAF. + Euro headers and Euro Section 1.

[Ramage]

I have been running the Mullet Tune since May of 2025 when I installed my intake and I could not be happier. In fact I would say that with v48 my car drives better than stock.

What I told Bryson after updating to v48

"I am honestly blown away how much of a difference this latest version makes. It is hard to describe because the changes appear to be very subtle, but also so critical to how I drive 95% of the time. It is the 2000-3000 rpm range that makes all the difference. The car is not more or less responsive than it was with previous versions it just feels more connected to what I want to do with the accelerator and somehow feels more intuitive."

I am sure there is some more HP to be had with a dyno tune, but honestly I do not care. I love the way my car drives and with the top down the roar of the CSL intake is all the power I need.

IMO the E46 M3 community is lucky to have members like Bry5on heinzboehmer karter16 and many others that are still innovating a 20 year old platform.

[WestBankM4]

IMO the E46 M3 community is lucky to have members like Bry5on heinzboehmer karter16 and many others that are still innovating a 20 year old platform.

Isn't this the truth. These forums are the last bastion of serious fanatics, that's why I sit and listen most of the time.

[bavarian3]

I have been running the Mullet Tune since May of 2025 when I installed my intake and I could not be happier. In fact I would say that with v48 my car drives better than stock.

What I told Bryson after updating to v48

"I am honestly blown away how much of a difference this latest version makes. It is hard to describe because the changes appear to be very subtle, but also so critical to how I drive 95% of the time. It is the 2000-3000 rpm range that makes all the difference. The car is not more or less responsive than it was with previous versions it just feels more connected to what I want to do with the accelerator and somehow feels more intuitive."

I am sure there is some more HP to be had with a dyno tune, but honestly I do not care. I love the way my car drives and with the top down the roar of the CSL intake is all the power I need.

IMO the E46 M3 community is lucky to have members like Bry5on heinzboehmer karter16 and many others that are still innovating a 20 year old platform.

Shoot now I need to check my version.

[D-O]

I am running the bespoke Mullet "Snowflake" version.