| 09-16-2017, 08:43 AM | #1 |
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Private First Class
 45
Rep 103
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Differential fluid?
I am going to change my differential fluid after a few more track days--what fluid is everyone who tracks their car using? BMW oem 83222365988 or aftermarket brand? 75-90 or maybe moving up to 75-140 for track use?
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