Boss Andy Scott said: "We are very fortunate to have been able to take Pim on loan. Wojciech is another good signing for the club and he brings with him more of the quality that we are looking to introduce to the squad."
Leicester have sacked Claudio Ranieri as they face up to a relegation battle just nine months after their stunning Premier League title.
Leicester's euphoria at winning the league last season has evaporated, with Claudio Ranieri leaving the club.
Manchester United are on the longest run without a penalty of any Premier League club, in contrast to their historical reputation.
The latest gossip and rumours from the newspapers and online:WAYNE ROONEY'S agent is in China in a bid to arrange
The latest gossip and rumours from the newspapers and online:WAYNE ROONEY is ready to quit Manchester United and take up