Chris24747547

Hi Dave and thank you for the welcome and advice.. It always drove fine before hand.. I came home from work, parked it up, saw I had parked like a fool and restarted it to straighten it up.. It went into D but then slipped back into P by itself and stayed the same way.. The RAC came out, ran their diagnostic on the transmission and it came back with 420641, Parking lock incorrectly applied: plausibility driver command /sensor confirmation. Intermittent. Some research suggested that the common fault is the gear selector unit. I found a replacement, provided it to the garage in Taunton and their response it it isn't that. They said it might be a low battery ( just over 11 volts) and if the car wasn't told the battery was replaced, it can cause problems.. I looked at the fuses under the glove box but the ones I want to look at are buried underneath a relay that I cant get out. I asked if low or dirty transmission fluid might cause it, the garage suggested not, especially if the engine is cold.. I'm still concerned that it might be that as a previous service identified a small oil leak but they weren't sure where from.. I just don't know what to do for the best...

Hi all... I have a dilemma. I have a 2014 530 D M Sport Auto with a gearbox that has gone into Park and wont come out.. Garage says its probably going to need a gearbox rebuild at around the £3k mark.. A second hand gearbox costs less than a third of that but is the risk worth it?