You took off the low rolling resistance tires on your e-Golf. You cut into the range right there. You placed more load on the battery the whole time you had them removed. You discharged the battery deeper before every recharge. You want to play, you gotta pay. That includes the battery, nothing is free.
Suggestion, next time, buy or lease a car that's exactly the way you want it, off of the dealerships lot. Don't tamper with sticky tires. Understand you are not using the car as VW designed it. Your usage is outside the scope of use VW envisioned. They don't have diamond lanes in Germany. VW doesn't design electric cars for diamond lane use, that's something California government concocted to try to control your behavior and influence your car purchases, to their ulterior motives.
I usually have to recharge my 2015 e-Golf every 3 or 4 trips, or every 4 to 6 days. I'm doing 90 to 105 miles on a charge and leaving 8 to 25 miles left before recharging. I drive BLVDs and residential streets. I charge fully every time I recharge in the garage. I run stock tires. I get 6 to 6.3 miles per kwh. If I leave early in the morning for the airport, say 6 am, and it's 35 to 45F out, I see 5.5 to 5.7 miles per kWh. I never run the heater, never heat the seats, I dress appropriately for the weather and temps outside, and don't run extraneous stuff or over tax my battery. Yes, I have lost some range. seems to be about 4-5 miles of range per recharge lost per year, so far, or thereabouts.
Do what you want, maybe emulate the way I drive. But I don't see a VW e-Golf being a good fit for your driving style, technique, or needs. I only see that you are cheap, want high performance, and you're trying to put lipstick on a pig. Trying to make an e-Golf something that it is not.