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3) Screw Plugs - Open
Locate the Differential...it is just next to the Petrol Tank at the back of the car.
First remove the Fill Screw Plug (to ensure you can fill it up, before you drain it). This is the top one. You will need a 14mm Hex socket. Be careful, as a little oil drains out.
Next remove the Drain Screw Plug, this is the one facing down . You will again need a 14mm Hex socket.
As you can see I am using a hammer to turn the Socket Wrench, this is because both screw plugs were very tight indeed!
4) Oil Draining
Catch the oil being drained. Once you take out the drain plug, the oil will pour out very quick and in a thick stream.
It will take about 5 mins to drain, but another 10 minutes for the trickle to finish. You will notice the oil will be filthy and very smelly, so do not spill it anywhere.As you can see in the photo, all the oil drained onto the floor. This is not my incompetence, but instead only because I was trying to take a photo for this DIY and it all went wrong. Even though I mopped up the below oil spill, it stunk really bad for a couple of months!
5) Filling Oil
Next fit the Drain Screw Plug back and tighten it to 44.2 lb .ft. or 60 Nm using the Torque Wrench. You will need a 14mm Hex socket.
Using a Torque Wrench reduces any chances of damaging the nuts. However, I was not able to fit my Torque Wrench in the small gap, so I had to tighten it using a standard Socket Wrench.Now using the oil pump and the Redline Oil bottle, fill the Differential oil chamber with oil. This will take about 15mins and alot of pumping.
You will know when the chamber is full as oil will start to pour back out of the hole. It will take about 1 bottle to fill the chamber.Next fit back the Fill Screw Plug and tighten it to 44.2 lb .ft. or 60 Nm using the Torque Wrench. You will need a 14mm Hex socket. However, again I was not able to fit my Torque Wrench in the small gap, so I had to tighten it using a standard Socket Wrench.
With a tissue wipe around both Screw Plugs and do a sanity check to ensure no oil is leaking from both plugs.
6) Comments
Look at the difference in colour. BMW Life Time Oil?!?
You will now definately be doing some good for the car.
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DIY BMW e46 Differential Oil Change by - impee www.impee.co.uk |