|Date of birth||14 September 1987|
|Place of birth||Munich, West Germany|
|Height||1.75 m (5 ft 9 in)|
|FC Bayern Munich II|
|1993–1996||SV Nord Lerchenau|
|2002–2006||FT Starnberg 09|
|2006–2008||FT Starnberg 09|
|2009–2013||FC Ingolstadt 04 II||137||(81)|
|2011–2015||FC Ingolstadt 04||44||(5)|
|2015–||FC Bayern Munich II||7||(3)|
|2015–||FC Bayern Munich||0||(0)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 19:08, 13 September 2015 (UTC).
Lappe had played in Bayern Munich's youth system, but was released at a young age and went on to forge a career in amateur football in Bavaria. In January 2009 he signed for FC Ingolstadt 04 to play for the reserve team in the Bayernliga, and scored on his debut, the fourth in a 5–1 win over FC Memmingen after he'd come on as a substitute for Ivan Santini. He ended the 2008–09 season with eight goals in thirteen appearances for Ingolstadt II, finishing as the team's joint top scorer with Stefan Müller.
Lappe was the team's top scorer both the 2009–10 season (17 goals) and the 2010–11 season (13 goals), as they finished in second place behind FC Ismaning – enough to earn promotion to the Regionalliga Süd, as Ismaning denied the opportunity to go up. Ingolstadt II finished in seventh place in the 2011–12 season, with Lappe scoring 18 goals - more than anyone else in the division. This earned him a call-up to the first-team - he made four appearances in the 2. Bundesliga, his debut as a substitute for Ahmed Akaïchi in a 2–0 defeat against TSV 1860 München in November 2011.
Lappe was not involved in the Ingolstadt first team at the beginning of the 2012–13 season, but scored prolifically for the reserves, now in the Regionalliga Bayern, following a restructuring of the league. 21 goals before the winter-break saw him brought back in the first-team fold, and he made an immediate impact, scoring the opening goal in a 2–0 win over FSV Frankfurt, his first 2. Bundesliga goal.
- "Lappe, Karl-Heinz" (in German). kicker.de. Retrieved 3 February 2013.
- Karl-Heinz Lappe profile at Fussballdaten
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