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Whether you’re pushing for higher power levels or enhancing engine efficiency, XDI Injectors set the benchmark for BMW S58 engines. This +30% high-flow injector upgrade delivers a 30% increase over stock S58 injectors and a significant 70% increase over B58TU injectors (e.g., GR Supra), while maintaining stock-like drivability.
Key Features
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Flow Rate: 130% (30% increase over stock S58 injector)
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Characteristics: Stock-like idle, rock-solid stability up to 400 bar, perfectly linear flow
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Fitment: 100% drop-in – no adapters or pigtails required
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Tuning: ECU tuning required
Testing & Documentation
Each XDI injector set is flow-matched and tested at three critical points, with detailed documentation included:
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Idle Stability: 0.8 ms at 20 bar
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Static Flow Reference (qstat): 10 ms at 100 bar
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WOT Performance: 6 ms at 200 bar
Vehicle Applications
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BMW G80 M3
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BMW G81 M3 Touring
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BMW G82 M4
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BMW G83 M4 Convertible
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BMW G87 M2
Note: ECU tuning is required to fully utilise the increased flow capacity and achieve optimal performance.
No instructions available for this product.

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