Keeping alive a pair of b6 (2003/4) Audi A4s. My general rule of thumb is to research who was the OE supplier and buy the non genuine brand , as genuine Audi VW often seems prohibitively expensive. Ive done that with important parts like a fuel pump, thermostat, oil cooler, timing chain tensioner, etc. I noticed…

It’s about time sombody mentioned those m20 and m30 engines. Had an e30 as my first car for 11 years and did nothing to begat engine except new coolant components and a crankshaft position sensor. For what reliability is worth, B27=22RE