Here your typical 2014 M5 engine,,,yea right good times,,,spark plugs are due,,,,what a pain in the ass,,,,you have to remove both DME units and the turbo coolant resvoir to gain access to the spark plugs. Here you can see I disconnect the DME connection,,,,but I leave the coolant lines connected to the DME,,,,I don’t want to crack open the coolant lines if I don’t have to,,,,if you disconnect the coolant line,,,,then you have more clean up and coolant bleeding. Here you can see I have access to both rear spark plugs ,,,,once the DME is removed,,,,you leave the DME mounting plate inside the car,,,,no need to remove this DME bracket,,,,,this really isn’t that bad,,,,you just have to be patient and take your time.
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