[woofy]

Hello.
So recently I noticed that my oil temp while driving wont go over 98 c° and the coolant temp is around 90 c° so Im guessing the pump is going full speed with opened thermostat. After I shut off the car the pump runs for about 2~3 min full speed. Also when unlocking the car pump runs for 2~3 mins the shuts of for about 3 min and again starts to go full speed for 2~3 min. So I checked the fault codes stored in DME and found four bsd error codes. Does someone know if I disconnect the faulty component should all other codes disappear and only show the disconnected component or if I disconnect one of the comp. in BSD chain all the codes will pop up? Car has ran quite a lot.. it has 405 000 km ~250k miles dunno when the pump was changed...

has anyone got any ideas?

[woofy]

it is water pump fault. Electrician said there's a shortage in the pump itself. Pump fails the whole BSD line. so now the whole BSD line is working in a emergency mode. Pump is running on 99% All the time! BTW disconnecting the pump lets you erase all the other BSD codes leaving only pump error!

[nsjames]

Originally Posted by woofy

it is water pump fault. Electrician said there's a shortage in the pump itself. Pump fails the whole BSD line. so now the whole BSD line is working in a emergency mode. Pump is running on 99% All the time! BTW disconnecting the pump lets you erase all the other BSD codes leaving only pump error!

this is the very common failure mode.