castrol 80w for gearbox 325

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bmw9818
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Post Tue Sep 25, 2012 1:52 pm

http://www.ebay.co.uk/itm/Castrol-Manua ... 25754e963f

right stuff?
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mcbonio
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Post Tue Sep 25, 2012 2:38 pm

I used this on my e46, at first it seemed great. Then when it started to get colder outside it became a real b*tch to shift until the gearbox had warmed up.

I swapped it for ATF and has been great ever since. As far as I'm aware, most modern manuals have ATF in the gearbox? Someone correct me? :o
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Billwill
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Post Tue Sep 25, 2012 3:03 pm


Pretty much exactly what we have always used on our E30s in South Africa.

Yes modern gearboxes do use ATF type fluid often and I have heard of owners using ATF in their E30s with no problems but I will stick to the original specifications. :?
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mcbonio
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Post Tue Sep 25, 2012 3:08 pm

It gets pretty cold here in winter Billwill, I had a lot of trouble shifting when it was cold with Castrol gear oil..
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Billwill
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Post Tue Sep 25, 2012 3:10 pm

mcbonio wrote:It gets pretty cold here in winter Billwill, I had a lot of trouble shifting when it was cold with Castrol gear oil..

Yes, agreed....I was just about to add that caveat to my post :D
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