Hi, a quote from the BW 35 Manual:-
Rear Pump
The rear pump is driven by the output shaft of the transmission. It is fully effect above 20 mph and then supplies all hydraulic requirements of the transmission.
Thus enabling the engine to be started by towing at over 20 mph:shock:
Who needs jump leads, just keep a bungee ropeand a Range Rover in the glovebox - sorted.
Mark.
http://www.anugraha.org.uk/rover/bw35/page11s.gif
							
						
					Rear Pump
The rear pump is driven by the output shaft of the transmission. It is fully effect above 20 mph and then supplies all hydraulic requirements of the transmission.
Thus enabling the engine to be started by towing at over 20 mph:shock:
Who needs jump leads, just keep a bungee ropeand a Range Rover in the glovebox - sorted.

Mark.
http://www.anugraha.org.uk/rover/bw35/page11s.gif

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