A 2-post collection

Engine specifications, spark plugs, timing, and vacuum

Compression test specificationsFor M60B4010-11 Bar or 142-156 PSI (6 strokes)Maximum difference: 0.5 Bar or 7 PSIEngine idle specificationsThe idle speed should hold steady at 600 RPM with a variation of up to 50 RPM. Troubleshooting unstable idle The RPM is not holding steady or the needle is periodically »

The unofficial 75,000-mile maintenance list

Thrust arm bushing failureThe most common suspension problem on the E34. Common symptoms of a torn or cracked thrust arm bushings are shimmy under braking at freeway speed. Vague or rubbery feel in the steering, and excessive front tire wear. Extreme examples will also produce a clunking sound. EVERY 5 »