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      08-18-2023, 12:39 PM   #1
Swaggywhitebeamer
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BMW X3 F25 (2016) N55 M Maximum HP Potential?

Just wondering if anyone has any input on the maximum HP potential of a BMW X3 F25 N55 M (2016)?

I currently have a MHD Stage 2+ tune with Intake, FMIC, Catless DP, exhaust, and I am wondering what to do next?

I recently saw that Speedtech make a N55 F-CHASSIS TOP MOUNT PULSAR Top Mount Turbo (https://speedtech.com/collections/n5...p-mount-pulsar) for F-Series N55 but sadly I do not believe it would be a direct fit to the F25 as the downpipes are a little different.

I read that getting injectors could add some HP but how much? What mods if any are people doing other than full bolt-ons?
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      08-18-2023, 02:43 PM   #2
mwat
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Haven't seen much of anything outside of what you've described.
I think the fact that it's a PWG N55 is enough for most people to avoid going larger turbo. I hear it's harder to get tuning for a PWG N55.

If I was looking for more power than what FBO offers I think I would be looking into the next gen X3 M40i. I Know that's not an option for everyone however.

I wish you luck! How's Stage 2+ been? Any issues? How many miles modded?
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      08-18-2023, 10:53 PM   #3
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Agreed, the current mod list is pretty extensive. After FMIC and DP, with an aggressive tune, you've sort of done the job. Obviously it doesn't have to be the end of the road, more can be done, turbo might be next, but yeah you might consider a different car altogether at some point if this isn't enough. You will get into territory that N55's have been in but X3's have not. It's OK to be a pioneer, but if you are one, it'll become experiments and money.
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      08-19-2023, 04:35 AM   #4
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Quote:
Originally Posted by mwat View Post
Haven't seen much of anything outside of what you've described.
I think the fact that it's a PWG N55 is enough for most people to avoid going larger turbo. I hear it's harder to get tuning for a PWG N55.

If I was looking for more power than what FBO offers I think I would be looking into the next gen X3 M40i. I Know that's not an option for everyone however.

I wish you luck! How's Stage 2+ been? Any issues? How many miles modded?
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