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The BMW Range
5 Series
E39
Car suddenly sluggish and hesitates (engines vibrates as if it is running on 4-5 cyls
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<blockquote data-quote="David Y" data-source="post: 625346" data-attributes="member: 14912"><p>Have had this problem twice. The most recent was last Wednesday on the Sprint Highway caught in the 5pm jam. Called my mechanic at M-Sport, he told to pull the car to side of the road and turned off the engine for 5 minutes. Fired the engine after 5 or more minutes and drove to the workshop without a problem.</p><p></p><p>Did the diagnostics but the results showed no errors. The mechanic pulled out the fuel pump relay above the battery compartment and noticed that the connectors have tints of blue. Changed the relay and so far no problem.</p><p></p><p>Before this, a year ago, couldn't start the car and diagnostics also showed no errors. Changed the fuel pump and float but problem came back after a couple of days. Change the relay and everything was fine till last Wednesday. Need to carry a spare relay for outstation trips.</p></blockquote><p></p>
[QUOTE="David Y, post: 625346, member: 14912"] Have had this problem twice. The most recent was last Wednesday on the Sprint Highway caught in the 5pm jam. Called my mechanic at M-Sport, he told to pull the car to side of the road and turned off the engine for 5 minutes. Fired the engine after 5 or more minutes and drove to the workshop without a problem. Did the diagnostics but the results showed no errors. The mechanic pulled out the fuel pump relay above the battery compartment and noticed that the connectors have tints of blue. Changed the relay and so far no problem. Before this, a year ago, couldn't start the car and diagnostics also showed no errors. Changed the fuel pump and float but problem came back after a couple of days. Change the relay and everything was fine till last Wednesday. Need to carry a spare relay for outstation trips. [/QUOTE]
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The BMW Range
5 Series
E39
Car suddenly sluggish and hesitates (engines vibrates as if it is running on 4-5 cyls
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