N55 / S55 High Flow Injectors | S63 EU5 (Bosch OEM)
These original Bosch injectors come from the BMW M5's S63 engine and represent the highest flow capacity in this injector family. This is an OEM-level solution that provides a significant upgrade to the N55 and S55 engine fuel systems, especially for high-power projects.
Mechanically, the injectors fit directly into all supported N55 and S55 engines and are fully compatible with Dorch HPFP systems.
Performance
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Fuel:
- E0 (gasoline): up to ~1000 whp
- E85: up to ~800 whp
Key Features
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OEM Bosch quality: Original S63 engine injector solution
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Very high flow capacity: Suitable for demanding high-power builds
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Direct compatibility: Plug-in installation for N55 and S55 engines
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Optimized for DI operation: Maximizes direct injection performance
Please Note
Injectors require:
- Coding with ISTA software
- Appropriate engine management (tuning) before use
Most tuners are well familiar with these injectors, and they have been successfully used in high-power S55 projects for a long time.
Package Contents
- 6 x Bosch Injector (OEM S63 EU5)
- 6 x BMW decoupling element
Compatibility
Suitable for various BMW models with N55 and S55 engines:
S55:
- F80 M3 – all models
- F82 M4 – all models
N55:
- F87 M2
- F20/21 135i / 135xi
- F22/23 235i / 235xi
- F30/31/34 335i / 335xi
- F32/33/36 435i / 435xi
- F10/11 535i / 535xi*
- F25/26 X3/X4 35i*
- F15/16 X5/X6 35i
- E-series models (135i, 335i, X1, X5, X6)*
* Only 2013+ models with original Bosch HPFP
❌ Not compatible with 2011–2012 N55 engines