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. The valve is responsible for … [Read more...] about Diagnosing a Failing BMW DISA Valve – Sypmtoms, Problems & Repairs
M54
The 5 Most Common BMW M54 Engine Problems
Whether you're new to BMW or a long time enthusiast, engine reliability and problems are always a topic of conversation. BMW is held in high regard to their straight six engines, with the M54 being an iconic engine. The M54 engine is a naturally aspirated inline-6 that was primarily featured in the 2000-2006 E46 3-series, in addition to the Z3/Z4 and X3/X5 models of … [Read more...] about The 5 Most Common BMW M54 Engine Problems