Originally Posted by BMWPower06
Everyone mentions "Toyota reliability" but fails to realize the communications systems in a Camry are completely different than anything found in a BMW. BMWs use fiber optic bus systems, which are faster, but also more expensive and less reliable. BMW has no issues with engine reliability, it is their electronics. Seeing as how Toyota doesn't have anywhere near the advanced electronics that BMW does, I doubt they will be able to improve reliability...
The only fiber optic system they use is MOST which is only media and entertainment and maybe byteflight back on the E65/E66 (I don't remember off hand), but the most of BMWs buses are all just regular wires