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BG44k is considered the gold standard for fuel system cleaners. That doesn't of course mean it's the best objectively, but it is the go to for the people I trust the most.
Indeed, there is a TSB where JLR suggests the use of BG 44k for petrol engines in certain situations.
I’ve put BG244k in our diesel Volvo and it did sound better.
Chevron Techron is a great lower cost choice too. Like others said BG44K is tops and don't run another bottle if you already did the Liqui Moly cleaner