Fuel pressure regulator in E34 M50

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ktteoh

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Joined
Feb 6, 2005
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135
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folks, does anyone know what would be the symptom of a failing fpr - i'm having problems of rpm surge during change of gear (rpm doesn't die down).
 
is it difficult to start our car early in the mornnings?

if you have to crank about more then 5 seconds or more, your FPR is on its way out

rpm surge during gear change have many symtoms
what other conditions was the car in? temperature of the day?
serviced or changed any parts recently? fiddled with any other parts ?
 
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