11 11 205 Removing and installing gear- box mainshaft bearings 11 11 210 Removing and installing gear- box countershaft bearings L Note: To protect the gasket surfaces of the engine block, place the old gasket under the bearing puller. Always replace the mainshaft sealing ring. 11 6 562 • Heat the left of the engine block to 80 — 100 °C (176 — 212 °F). • Using bearing puller plate, BMW No. 11 6 561 , spindle, BMW No. 11 6 562 , and spreader sleeve, BMW No. 11 6 565 , pull off the ball bear- ing. • Heat the right of the engine block to 80 — 100 °C (176 — 212 °F). • Using bearing puller plate, BMW No. 11 6 561 , spindle, BMW No. 11 6 562 , and spreader sleeve, BMW No.
11 6 564 , pull off the ball bear- ing. • Installation is the reverse of the removal proce- dure, pay particular attention to the following. L Note: The closed ends of the cage must point outward. 11 6 564 11 6 561 L Note: To protect the gasket surfaces of the engine block, place the old gasket under the bearing puller. Always replace the mainshaft sealing ring. E230040 • Heat the left of the engine block to 80 — 100 °C (176 - 212 °F). • Using bearing puller plate, BMW No. 11 6 561 , spindle, BMW No. 11 6 562 , and spreader sleeve, BMW No. 11 6 564 , pull off the ball bear- ing. • Drive out the mainshaft sealing ring from the in- side.
• Heat the right of the engine block to 80 — 100 °C (176 - 212 °F). • Use a suitable tool such as a socket or similar to press the ball bearing through to the other side from outside. • Installation is the reverse of the removal proce- dure, pay particular attention to the following. • To install the ball bearing, heat the engine block to 80 — 100 °C (212 ° F) and spray the ball bear- ing with BMW chilling spray. Wear limit values for bearing seats in housing: Magnet side: Countershaft .............. max. dia. 46.99 mm (1.85 in) Mainshaft ................... max. dia. 62.02 mm (2.44 in) Clutch side: Countershaft .............. max. dia. 51.99 mm (2.05 in) Mainshaft ................... max.
dia. 46.99 mm (1.85 in) L Note: The closed ends of the cage must point outward. • To install the ball bearing, heat the engine block to 80 — 100 °C (212 ° F) and spray the ball bear- ing with BMW chilling spray. • Drive in the shaft sealing ring with sleeve, BMW No. 23 4 540 , and drift, BMW No. 23 4 550 . 11.42