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Hello i have and e39 problem.Car has a 142kw motor manual and its mapped stage 1 nothing crazy but the problem is every time floor it up to 3k or over my glowplug light comes on car goes in limp mode and have to turn off the car to have it back mormal.And when i put the code reader on it shows Boost pressure regulation 1E30 and delivery pump control system 1260 and Rail pressure control valve.
