Dear Gents,
On Monday (11 Sept 2017), I was driving up north on PLUS Highway and I came across an E39 with W** 2300 plate. The badge says it is a 523i. It has 4 tailpipes with 4 mufflers too. Was it an M5 transplanted into a 523i? I was driving my E60 M5 and it was faster and I felt it was...