[miked1999]

I'm new to engine/exhaust mods and hoping to better understand the main performance differences between MST & BMS Intakes.

Car is stock, 2020 M340i
Potentially adding a Bootmod3 next year
Main objective- enhance the turbo sound
Aesthetics not a priority

At nearly 2x the price, should I expect a different note, or greater throttle response / power gain from the MST?

x-ph.com claims peak gains from the MST are roughly 15-20 Horsepower and Torque... Vivid Racing claims the BMS unlocks up to 8whp. Are these numbers aspirational for an otherwise stock M340i?

Appreciate any insight!





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[Fuel-It!]

All the intakes add around the same power, which is 5-10whp, at higher boost levels. They all sound about the same too. On stock tuning don't expect much power gain with any intake as it's not a restriction at stock boost levels.

[Graaf_Autowerks]

Originally Posted by Fuel-It!

All the intakes add around the same power, which is 5-10whp, at higher boost levels. They all sound about the same too. On stock tuning don't expect much power gain with any intake as it's not a restriction at stock boost levels.

^What they said.

Basically doing it for the sound improvement on a stock model, which isn't a terrible thing (it does sound nice), just wouldn't expect any performance gains.

[rcz22]

Originally Posted by Graaf_Autowerks

^What they said.

Basically doing it for the sound improvement on a stock model, which isn't a terrible thing (it does sound nice), just wouldn't expect any performance gains.

Just bought the MST one from x-ph on Black Friday sale - great price however, due to delays on the mst side there's a 4-6week delay. Ordering from x-ph was a great experience.

[chenry]

miked19999

Used BMS for sale in the classifieds for $100 OBO

note: not mine

[mike@x-ph.com]

Hi,
We do not make any claims on either product, we post what the manufacturer claim

Both are good intakes, i estimate they make the same power as well

[bSwiazzy]

the way i always viewed intakes is that that they are glorified air filters lol

other than that you are paying for the brand and the look like carbon fiber etc..

to each its own tho its all preference too if you are popping your hood alot

[David328M-Sport]

My F30 328i has an MST intake. Great whooshing noises, but I can't feel any power gains. Gains will come from catless dp, piggy back and eco tune.

[Dima_RUS_M340iX]

I measured it with new pipes. Stock firmware
m340 g20 stock +charge pipes.pdf

[tarrant64]

Originally Posted by Dima_RUS_M340iX

I measured it with new pipes. Stock firmware
Attachment 2477808

This is only really helpful when the stock without chargepipe is shown in comparison. That said, this thread was inquiring about the intake, not charge pipe. Looks like good numbers though - it’s just relative without the before/after comparison.

[mike@x-ph.com]

Originally Posted by David328M-Sport

My F30 328i has an MST intake. Great whooshing noises, but I can't feel any power gains. Gains will come from catless dp, piggy back and eco tune.

Glad you like it

the intake puts out an additional 5-10 HP, most people won't even feel the difference. If you do a before and after dyno, the gains are there especially after 4500 RPM