How To Change Your Diff Oil

This section shows how to carry out modifications to your 1 Series. Please remember that if you are modifying your car to take photo's at each step and document the mod in here.
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Fullback15
Junior Member
Junior Member
Posts: 17
Joined: Tue Jul 16, 2019 3:40 pm

Re: How To Change Your Diff Oil

Post by Fullback15 »

Thanks Marco, API GL-5 stamped on both oils.

Sounds pathetic but will get someone locally here to change it!

waldorf
Knowledgeable Member
Knowledgeable Member
Posts: 82
Joined: Mon Jun 01, 2009 3:37 pm
Location: The Netherlands

Re: How To Change Your Diff Oil

Post by waldorf »

Today I changed the oil. I have a straight forward 118i. I used a large syringe with a pvc hose. I would suggest to use a pretty rigid hose like the light blue festo air hoses. The pvc hose was too flexible, so it was difficult to get the oil out. I think a piece of festo hose and a 90 degree coupler would even be better to direct the hose downwards. The filler opening is facing a bit upwards, making it more difficult to get the hose pointing to the bottom.

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