24
Oct

The mounted pump

Written by admin. Posted in Power Steering Pump

With bracketry oriented in both horizontal axis, the pump mount is very solid and has rubber isolation to prevent vibration in chassis.

24
Oct

Power steering pump

Written by admin. Posted in Power Steering Pump

Since the BMW originally had it’s power steering pump driven off the gas engine, an alternative is needed. This Toyota MR2 power steering pump is a likely candidate:

It’s internal 12V electric motor is designed to run full time and is smart enough to know when to idle back when not being used to reduce power consumption. 

It also has a digital input that gradually reduces the motor speed (and thus power level) when the need diminishes, i.e. on the highway.  

All other components from the original power steering system will be used.

We purchased the original Toyota connectors which are very high quality O-ring sealed interconnects. It just so happened that we were able to use a left over 50A circuit in the BMW that was used for the exhaust emission control pump, which was exactly the supply capacity needed to power this pump.

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