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Discussion Starter #1
Recently got myself a 2009 E60 (64k) and I'm noticing some issues with the auto box..

1 - gear shifts seem rather harsh and a bit jerky when I've got the car in drive
2 - when driving at 40mph last week, the car went into neutral by itself

I've read a few posts around the auto boxes and there seems to be some conflicting information around the 'lifetime' oil which is used. As the car is due a service next month, would it be best to get the gearbox oil changed and possibly a new sump fitted at the same time, or should I think about a trip to an auto box specialist?

I also got a low engine oil light the other day so I topped up with Castrol 5W-30 (LL04), drove for a few miles and the engine level showed ok by the time I got home. Went to start the car yesterday and it turned over a few times more than normal before going into limp mode.

I've ordered a scan tool today so I'm hoping that will give me an idea of where the problem(s) lie
 

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Definitely would go for gearbox oil change as it definitely improved my shifts. I got new pan and filter at same time iirc My gearbox would jump into neutral sometimes when coming of drive on a cold day but hasn t happened since gearbox oil renewal ( fingers crossed i have not jinxed it) which i suspected waa down to low oil level. Hope this helps.
 

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Discussion Starter #3
Cheers I'll probably get the box oil done at the service and see how things go :)

Quick update on the scan tool - it's currently showing the following errors:

51A6 EGS - Engine signal
2B05 DME - Nitrogen-oxide sensor, heating
2A94 DME - Crankshaft sensor, signal

The car seemed to start without any issues today so I'll try clear the faults and see if any re-appear before it's in for a service
 

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Quick update.. cleared the faults & the nox sensor code appeared again after I took the car for a spin. Seemed to drive OK for a few days, then the engine management light appeared today and I'm getting the crankshaft sensor error as well.

Car's due in for a service tomorrow but I reckon I'll be a few hundred lighter to replace the nox sensor at least (been quoted £411 from Cotswold for the part 😳)
 
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