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Stage 3
FBO Package: Full Bolt-On
The sweet spot. 700+ wheel horsepower on stock turbos. Daily drivable.
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Install: 2–3 days
The FBO Package: Full Bolt-On for the X3M/X4M / S58 includes 4 parts, targeting 580–600 WHP on 93 octane.
The X3M/X4M / S58 makes 420-450 WHP from the factory. With the FBO Package: Full Bolt-On, expect approximately 580–600 WHP on 93 octane.
| Fuel | Est. WHP |
|---|---|
| 93 Octane | 580–600 |
| E30 | 650–700 |
| E50 | 710–750 |
| E70+ | 710–750 |
What's Included
MHD ECU Unlock
MHD Tuning
$549
All-in-one flash tuning license with maps for 93, E30, E50, and E85. Flash OTS maps or custom tunes directly from your …
ApexBuilt X3M/X4M GESI 400 Cell HFC Downpipes
ApexBuilt
$2400
GESI 400 cell high-flow catted downpipes for F97 X3M and F98 X4M. Street-legal with EPA-approved catalytic converters. …
MAD X3M X4M Axle Back Exhaust
MAD
$1169
Axle-back exhaust for the F97 X3M and F98 X4M. Unleashes the S58 exhaust note with a deeper, more aggressive tone. 304 …
MAD X3M X4M Front Mount Intakes
MAD
$549
Front mount intakes for X3M and X4M with S58 engine. Maximizes airflow and enhances engine sound. Direct bolt-on replac…
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Get a custom quote for the FBO Package: Full Bolt-On installed on your X3M/X4M / S58.
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