Penrite ATF FS

[MarcusH]

My r34 GTT auto transmission is slowly letting go, slipping every now and again, tiptronic deciding to not keep it in 1st / 2nd when flooring it, taking longer to shift so I’m going going flush it and replace the filter and hope it lasts a bit longer. 
 

I’ve got 10L of Penrite ATF FS at home and I’m going to use it for it unless ye completely recommend against it. 
Penrite list it as compatible.

i understand I should be using Castro Transzmax however it’s quite expensive and I already have 10L of the ATF fs.

Has anyone here used atf fs for there got or heard of anyone? Or am I silly for even considering anything other then Castrol 

Thanks for your advice 

[joshuaho96]

On 9/9/2024 at 7:23 AM, MarcusH said:

My r34 GTT auto transmission is slowly letting go, slipping every now and again, tiptronic deciding to not keep it in 1st / 2nd when flooring it, taking longer to shift so I’m going going flush it and replace the filter and hope it lasts a bit longer. 
 

I’ve got 10L of Penrite ATF FS at home and I’m going to use it for it unless ye completely recommend against it. 
Penrite list it as compatible.

i understand I should be using Castro Transzmax however it’s quite expensive and I already have 10L of the ATF fs.

Has anyone here used atf fs for there got or heard of anyone? Or am I silly for even considering anything other then Castrol 

Thanks for your advice 

The viscosity is about right for Dexron III/Matic D.