Lim was captured by the
Kempeitai under Major Ōnishi Satoru () at a roadblock in
Gopeng,
Perak around March or April 1944, and taken to the Kempeitai headquarters for interrogation. He refused to provide the Japanese with any information about Force 136 despite being subjected to torture, and protested against the ill treatment of his comrades in prison. He fell ill with
dysentery and was bedridden by the end of May 1944. Lim died in the early hours of 29 June 1944 at the age of 35, and was buried behind the
Batu Gajah prison compound in an unmarked spot. After the
Japanese surrender, Gan Choo Neo was informed of her husband's death by the priest of
St. Andrew's School. She went to Batu Gajah with her eldest son to bring her husband's remains home. Lim's remains arrived at the
Tanjong Pagar railway station in Singapore on 7 December 1945. Upon arrival, the hearse was sent off by a large procession of British officers and prominent businessmen from the station to Hock Ann Biscuit Factory in
Upper Serangoon Road via
Armenian Street. On the same day, a memorial service for Lim was held at the Tong Teh Library of the
Kuomintang Association in Singapore. A funeral service was held on 13 January 1946 at
City Hall. Lim's remains was transported in a coffin to a hill in
MacRitchie Reservoir (coordinates: 1°20'31.76"N 103°49'50.60"E) for burial with full military honours. Lim was posthumously awarded the rank of
shaojiang (
major-general) by the
Nationalist government of the
Republic of China. The
Lim Bo Seng Memorial was unveiled at the
Esplanade on 29 June 1954, the 10th anniversary of his death. There are also places named after Lim, such as Bo Seng Avenue in
Thomson, Singapore, and Jalan Lim Bo Seng in
Ipoh, Malaysia. == Personal life ==