The B side "I'm In Love With My Car" plays the "A Night At The Opera" album version (with the false fade) rather than the more usual single remix that was issued in most countries (that one has car revs at the start of the track).
Barcode and Other Identifiers
Matrix / Runout (Label side A): 45297-A
Matrix / Runout (Label side B): 45297-B
Matrix / Runout (Etched, runout A [O stamped]): 45297A-1A-ZD O
Matrix / Runout (Etched, runout B [O stamped]): 45297B-1A-ZD. O