Description
Mosselman BMW S55 Upgrade Turbocharger Set, MSL65-80
Upgrade the airflow capability of your BMW S55 with the Mosselman MSL65-80 turbocharger solution. Designed for performance builds, this turbocharger upgrade targets increased power potential while retaining a configuration tailored to the original engine platform. The final result depends on calibration, fuel quality, intake and exhaust restrictions, cooling and supporting engine hardware.
PERFORMANCE UP TO 800 HP*
*Indicative performance ceiling from the manufacturer’s MSL upgrade series; depends on fuel, tuning and supporting modifications. Confirm the exact rating for this version with Mosselman.
Performance upgrade highlights
- Engine platform: BMW S55.
- Turbocharger specification: Mosselman MSL65-80 upgrade series.
- Vehicle configuration: Check exact variant.
- Performance focus: improved high-load airflow and tuning headroom compared with the standard turbocharger.
- Installation: requires verification of all oil, coolant, intake, exhaust and boost-control connections.
Technical overview
| Manufacturer | Mosselman Turbo Systems |
|---|---|
| Engine | BMW S55 |
| Upgrade series | MSL65-80 |
| Variant | Check exact variant |
| TSHK SKU | TSHK-MSL-004 |
BMW compatibility
For selected BMW S55 applications with the correct turbocharger configuration. Wastegate type, steering side, turbocharger version, intake configuration and production year can affect fitment. Verify compatibility by VIN before ordering. Different versions are not necessarily interchangeable.
Recommended supporting modifications
- Professional ECU calibration appropriate for the upgraded turbocharger.
- Charge-air cooling and intake plumbing matched to the power target.
- Fuel supply and ignition components suited to the intended boost and fuel.
- Inspection of oil feed/return lines, cooling connections, exhaust fitment and vacuum or electronic boost control.
Installation and ordering notes
Advertised power ranges are potential figures rather than guaranteed output. A professional installer and experienced BMW tuner should verify the setup. Check local road-use and emissions requirements. Contact TSHK Customs to confirm the exact Mosselman kit contents, availability and lead time.





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