Hi my name is will turner and I have a bmw e61 525d I have a problem with it when I come to a halt it jerks between 1000revs and stop I have been told that the car needs to have a gearbox software update but I am wanting to get my car remapped if I get the car remapped would it solve this problem or would I have to get the gearbox software updated before I remap it any help would be great thanks will