Imaam Muqbil Bin Haadee (rahimahullaah) said:

Al-Khilaaf Fiqhiy: It is when the evidence can carry this (meaning) or that (meaning), such as the Hadeeth:”When one of you wakes up from his sleep, he must not put his hand in a utensil till he has washed it three times, for he does not know where his hand was.” The scholars have differed in this (affair); amongst them are those who say that the water becomes impure and amongst them are those who say that it is forbidden (to put one’s hand in the water) but (the water) does not become impure and this affair is a legislated act of worship; and amongst them are those who say that it is Makrooh (disliked to put the one’s hand in the water  but not forbidden), because he (i.e. the person) is upon certainty that his hand is in a state of purity.  So the likes of this (affair) is Ikhtilaaf fiqhiy and similar to it (also is whether) the Basmallaah is to be uttered loudly (during the prayer).

Al-Khilaaf Manhajiy:  As for Al-khilaaf Manhajiy, it is a problematic disease such as the methodology of Ikhwaan Al-Mufliseen; for their Manhaj is entry into elections, houses of parliaments and party Multiplicity.  This is considered to be Ikhtilaaf Manhajiy because it is in opposition to the Book of Allaah and the Sunnah of the Messenger (sallal-laahu-alayhi-wa-alaa-aalihi-wasallam)……

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[See: Ghaaratul Ash-ritah: page: 40-41: Vol 1]