Is this a really bad idea?

[K.C. Leblanc]

2005 BMW 5 Series 525i SE 5dr Auto ESTATE Petrol Automatic | in Stroud, Gloucestershire | Gumtree

2005 BMW 325i SE Touring. 164k. Tidy. Straight Six. Cheap. Quick sale. Very tidy 325i inside and out. Strong straight six engine, smooth gearbox, no warning lights. Drives well. Fantastic service history. Honest bits. Small occasional rattle from aux belt pulley, common che

www.gumtree.com

My Vauxhall Disatra is off to the scrape yard, and since I'm going on a bit I'd like something a bit comfier. Is an ancient BMW a really bad idea?