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E46 Fuel Pressure Regulator Modification
From MS4X Wiki
How to increase return flow and change fuel pressure.
Pierburg part numbers:
- 3.0bar 7.21548.50.0
- 3.5bar 7.21548.51.0
- 5.0bar 7.21548.53.0
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How to increase return flow and change fuel pressure.
Pierburg part numbers:
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