BMW E39 5-Series Buyers Guide – E39 Performance, Handling, and Reliability
| |

BMW E39 5-Series Buyers Guide – E39 Performance, Handling, and Reliability

In 1995, BMW was facing some tough competition. Mercedes were cooking up the next E-Class which would release in 1996, with all of the luxury and technical prowess that the world had come to expect from BMW’s Stuttgart-based neighbors. Audi was putting out some winners too. The 1995 Audi A6 might not have been able…

Diagnosing a Failing BMW DISA Valve – Sypmtoms, Problems & Repairs
| | |

Diagnosing a Failing BMW DISA Valve – Sypmtoms, Problems & Repairs

Differenzierte Sauganlage – and because German’s can’t pronounce this either, BMW just took the first two letters from each word and called this the DISA Valve. BMW’s engineers discovered that the air path through the engine system has an impact on performance. In an effort to improve performance, BMW released the DISA valve in 1995….