R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 R50 no crank

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  #1  
Old 11-22-2018, 06:42 PM
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R50 no crank

I’ve had intermittent no cranking issues. I’ve already replaced the clutch safety switch, checked the alternator, swapped the starter relay and have also installed a new ignition switch. The car will not bump start, even through I hear the fuel pump going. The starter solenoid was checked and is working. I’m thinking the immobilized might not be working right and have already tried several keys with the same intermittent no crank results; even though all lights windows and interior chimes work.
I’ve run out of things to try and can’t trust this car to restart after shutting off.

Any help or suggestions would be awesome. I’m new to the mini community, however I’ve been working on cars casually for over 25 years i’d rather bypass the immobilizer over taking the car to the stealership.
 

Last edited by Bardum; 11-28-2018 at 03:59 PM. Reason: Updating
  #2  
Old 11-22-2018, 07:11 PM
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  #3  
Old 02-19-2020, 06:32 AM
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Hi Bardum, exactly same as you, did you solved it? Thanks
 
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Old 02-19-2020, 06:35 AM
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Have you checked your main grounds ? Is the power cable coming off the battery good ? Just a thought ...
 
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Old 02-19-2020, 06:52 AM
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Originally Posted by Fabio Capria
Hi Bardum, exactly same as you, did you solved it? Thanks
yes, I did end of solving this problem by getting the Immobilizer board replaced and programmed by a local shop. The security system was not seeing the key sensors, which caused the car to not fire injectors or starter.
 
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