BMW Workshop Service and Repair Manuals

11 53 Coolant thermostat with connections 

Type

Thread

Tightening specification

Measure

1AZ  Hexagon screws

(2 x)

Coolant thermostat to electric water

pump.

N52K

M6 x 25

9 Nm

2AZ  ASA screws

(2 x)

Feed line (from electric water pump)
to crankcase.

N52K

M6 x 16

Replace sealing ring and

seal.

9 Nm

3AZ  Hose clamp

(1 x)

Feed line (from crankcase) to

electric water pump.

N52K

L42-48

3 Nm

4AZ  Hose clamps

(2 x)

Coolant hose between oil-water heat
exchanger and feed line.

N52K

L18-24

3 Nm

5AZ  Hose clamps

(2 x)

Coolant hose between coolant

thermostat and electric water pump.

N52K

L42-48

3 Nm

6AZ  Hose clamp

(1 x)

Coolant hose (from cylinder head) to
coolant thermostat.

N52K

L23-35

3 Nm

7AZ  Hexagon screws

(2 x)

Coolant hose (from coolant

thermostat) to cylinder head.

N52K

M6 x 25

9 Nm

8AZ  ASA screw

(1 x)

Spacer to cylinder head.

N52K

M6 x 12

8 Nm

9AZ  ASA screws

(2 x)

AZD  Coolant thermostat with connections

BMW AG - TIS

03.02.2013  08:37

Issue status (12/2007) Valid only until next DVD is issued

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