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E12, E28, E34, E39, E60 General discussion and technical help for all year 5 series cars.

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Old 01-12-2008, 09:23 AM   #1
bebiloku

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Bmw 520i Crack And Misfire.

I Stop My Car For Some Hour For Example I Close In The Postprandial And I Start In The Mornig The Car Run Very Vell For 3or 5 Km After The Car Misfire And Crack To Exhaust .for This Problem I Have Test And Change New Spark Plug (beru Ultra X Platin),change Fuel Filter ,change Air Flow Sensor ,fuel Pump .what To Do ,i Go Crazy
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Old 01-12-2008, 10:48 AM   #2
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Unburned fuel into the exhaust? Maybe an ignition wire is bad.
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Old 01-13-2008, 03:14 AM   #3
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Unburned fuel into the exhaust? Maybe an ignition wire is bad.
YES FUEL INTO THE EXHAUST,PLS HOW TO TEST WIRE.
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Old 01-13-2008, 10:02 AM   #4
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If you can use a multimeter, each wire can be tested for conductivity using the resistance settings.
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Old 01-14-2008, 02:25 AM   #5
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If you can use a multimeter, each wire can be tested for conductivity using the resistance settings.
YES I CAN USE IT ,I WORK WITH GSM MOBILE REPAIR.THANK YOU

Last edited by bebiloku; 01-14-2008 at 02:28 AM..
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Old 01-14-2008, 02:28 AM   #6
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Is Posible Not Sufficent Fuel From Fuel Pump To Make Crack And Misfire?
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Old 01-14-2008, 11:12 AM   #7
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Is Posible Not Sufficent Fuel From Fuel Pump To Make Crack And Misfire?
I would not think so, since fuel must be getting into the exhaust.
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Old 01-24-2008, 05:48 AM   #8
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I would not think so, since fuel must be getting into the exhaust.
YES TRUE MY PUMP WORK WELL NOW I DOUBT TO MY CATALITIC MAY IT IS BLOCKED ,I AM WAITING NOW MY FREND FROM USA TO COME IN MY COANTRY ALBANIA TO REMUVE THE EXHAUST AND TO TEST THE CAR OLSO I MAKE ORDER THE CARSOFT 6.5.
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Old 01-24-2008, 07:51 AM   #9
macky55e34lover
 
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Have the wires checked, including the sparkplugs, sometimes other branded-sparkplugs are not matched with the engine. Try to look at the fuel lines also.
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Old 01-25-2008, 07:39 AM   #10
bebiloku

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Have the wires checked, including the sparkplugs, sometimes other branded-sparkplugs are not matched with the engine. Try to look at the fuel lines also.
the spark plugs are new (beru ultrax platin) findet in beru site,yes i test all wire with multimter ,fuel line i think are ok bexouse if the baxkfire come from low fuel there is not backfire to exhaust but to manifold .my opinion now for my car is or catalitic blocked or all coil need to replace with new.i dont know ,may be
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Old 02-03-2008, 07:06 AM   #11
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Thank You For Help ,i Change The 6 Coil And My Car Is Ok Now .
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