Do adjustable fuel pressure regulators actually improve performance? do they adversely effect milage under normal driving?
Thanks
-j
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17 years ago
Do adjustable fuel pressure regulators actually improve performance? do they adversely effect milage under normal driving?
Thanks
-j
--- AntiSpam/harvest --- Remove X's to send email to me.
Only on some models which have a tendency to run weak. Early EFI Range Rovers, for one. Dunno about your BMW.
Yes.
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