![](https://motoinstruction.ru/img/bmw/10/116765.jpg)
Use pliers, BMW No. 17 5 500, to open the clamp securing the coolant hose to the water pump (arrow) and disconnect the hose.
![](https://motoinstruction.ru/img/bmw/10/116766.jpg)
Disconnect ground cable (arrow) from cylinder.
Remove cylinder base screws.
Push the rear chain guide forward and carefully lift the cylinder clear.
Installation is the reverse of the removal procedure: pay particular attention to the following.
Note: When installing, use a new cylinder base gasket.
![](https://motoinstruction.ru/img/bmw/10/116767.jpg)
Oil the piston rings and press the sliding piston ring sleeve, BMW No. 11 6 510, over the piston rings from above so that the piston projects from the sliding sleeve by about 2 mm (0.08 in).
Push the timing chain through the chain aperture in the cylinder and secure the chain.
Slip the cylinder over the piston.
Remove sliding sleeve.
Tightening torques:
- Cylinder to engine block: 10 Nm
- Ground cable to cylinder: 8 Nm