To add to this guide, I had the gearbox oil changed over the weekend as part of a service.
The oil originally used in the Series 1 Getrag box is BMW MTF-LT-1, this has been superseded to BMW MTF-LT-2. This should be the same for all Series 1 Aero's using the getrag box (6 spd manual), a sticker is positioned on the NSR of the gearbox which details the oil specification originally used when new.
A complete change will require 2 litres of oil (capacity is around 1.75l), the drain plug is found underneath the rear of the box, and fill is just above on the nearside rear.
Cost of the oil was approx £55 from BMW.
interesting Nick;how did the old oil look when it was drained out?
I was advised that changing it was not a big priority but ,given the similar age of our cars, I might be tempted if it was looking
'manky' (technical term...!).
James
