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Guaranteed Fitment
Always the correct part
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DINANTRONICS X - 2021-2025 BMW M3/M4 D440-0155
Features:
- More Power: Max gains of up to +69 HP and +55 lb-ft TRQ (Crank); +60 HP and +49 lb-ft TRQ (Wheel).
- Bluetooth smart (Android and iOS Compatible). App download / pairing process detailed within the installation instructions located under the Tech Resources dropdown below.
- 7 power levels and a bypass setting to choose from.
- Smooth and predictable power delivery.
- On board diagnostics and factory safeguards maintained.
- Unaffected by dealer factory updates.
- Plug and play installation.
- 14 day satisfaction guarantee.
- 1 year limited warranty.