The Most Common BMW N62 540i, 545i, 550i, 650i, 740i, and 750i Engine Problems BMW N62 Common Problems & Reliability Issues BMW's N62 V8 engine was produced from 2001-2010 and is available in four sizes including 3.6L, 4.0L, 4.4L, and 4.8L variants. The 3.6L N62 engine generates 268hp while the largest 4.8L option makes a staggering 362hp. Though these horsepower numbers … [Read more...] about BMW N62 Common Problems & Reliability Issues