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F9X / S63

4.4L V8, Twin-Turbocharged

Stock 590–610 WHP
Stage 1
Stage 1: Tune Package
BMW severely underrates this engine. A tune reveals the truth.
Fuel Est. WHP
93 Octane630–680
E30700+
E50700+
E70+750+
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Install: 1–2 hours
Stage 2
Stage 2: Full Bolt-On
Primary downpipes are the single biggest bottleneck on the F90. Remove them.
Fuel Est. WHP
93 Octane700–750
E30780–820
E50780–820
E70+850+
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Install: 1–2 days
Stage 3
Stage 3: Turbo Upgrade
Upgraded turbos on the S63 V8. Four-digit horsepower territory.
Fuel Est. WHP
93 Octane800–850
E30900+
E50900+
E70+1000+
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Install: 3–5 days

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