It is narrated from Sayyiduna Zayd bin Khalid (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Whoever performs ablution (wudu) and does it well, then prays two rak'ahs without any lapse of attention in them, his previous sins are forgiven."
Hadith Referenceالمعجم الكبير للطبراني / باب الزاي / 5223
Sayyiduna Zayd bin Khalid al-Juhani (may Allah be pleased with him) said that the Messenger of Allah (peace and blessings be upon him) said: "Whoever performs ablution (wudu) and does it well, then prays two rak'ahs without any lapse of attention in them, his previous sins are forgiven."
Hadith Referenceالمعجم الكبير للطبراني / باب الزاي / 5225