The BMW 525 TDS used the old 141bhp six-pot turbodiesel from the BMW E34 (also found in the Vauxhall Omega) and while it was a tough unit, refinement and performance weren't its strong points.

BMW's newest 5-Series drives well and features all sorts of new technology, but our heart still lies with the E39. Produced between 1995 and 2004, the E39-generation 5er represented BMW at the ...