For the bass solo, use the M-Filter. For the dirt use the Ba Dist 1 effect.
Maybe have three settings. One with the the Filter -> Bass Drive, one with the Filter -> Dirt -> Bass Drive , and one with just the Bass Drive for the cleaner bass sound
Starting point for the filter, try something like - Freq about 47, Sense about 7, Reso about 5, Type - LPF, Char - 2 pole, VLTY fast, Bal 85, Level 140 .
Maybe have three settings. One with the the Filter -> Bass Drive, one with the Filter -> Dirt -> Bass Drive , and one with just the Bass Drive for the cleaner bass sound
Starting point for the filter, try something like - Freq about 47, Sense about 7, Reso about 5, Type - LPF, Char - 2 pole, VLTY fast, Bal 85, Level 140 .