E85 2006 2 litre Diff question

TIMMOS29

TIMMOS29

Member
Just got under the car to have a look at doing the Diff fluid change...and I can only see one Drain refill point...is this right? or have i missed something.

cheers
 

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I have read that these only have the one fill plug (no drain). To drain, you need to suck the oil out through that fill plug with some sort of syphon/suction tool.

This task is still on my list, so I can't confirm 100% from first hand experience
 
The Allen bolts will be the fill/drain on BMW diffs/gearboxes.

The regular hex bolts in the photo will be to hold on the rear differential cover, so definitely don't go undoing those!
 
Even these ones? Ive searched everywhere on some info but nothing.
 

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Nope, they'll hold on the rear cover.

Check out figure 4 - do you have that?

https://www.pelicanparts.com/BMW/techarticles/BMW-3-Series-E46/35-TRANS-Rear_Differential_Fluid_Replacement/35-TRANS-Rear_Differential_Fluid_Replacement.htm

I thought the E46 and e85 diffs were the same, apart from the back casing/cover
 
TriggerFish said:
Nope, they'll hold on the rear cover.

Check out figure 4 - do you have that?

https://www.pelicanparts.com/BMW/techarticles/BMW-3-Series-E46/35-TRANS-Rear_Differential_Fluid_Replacement/35-TRANS-Rear_Differential_Fluid_Replacement.htm

I thought the E46 and e85 diffs were the same, apart from the back casing/cover
Click to expand...
no pal it doesnt seem to have a drain plug…
 
Yep, looks like a suction job then sadly

You can get little hand pumps too, or 12v powered ones

https://www.ebay.co.uk/itm/375244625815

I had one of these - it wasn't great, but it will do the job (a few times, at least!)
 
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