rb 08/06/2015. 2006 BMW X3 3.0i 4dr SUV AWD (3.0L 6cyl 6M) Bought this car in 2009 and have nearly 100k miles. It has been a great car but you need to be aware of some expensive repairs that will Fueltank capacity is 93 liters. Fuel economy in city is 12.0 lt/100km, Fuel economy in highway is 8.0 lt/100km and combined fuel economy is 9.4 lt/100km according to officially Enginestalling is amongst the most widely reported problems with the BMW X5 Diesel. Many owners have reported this issue with various models of the X5 from 2001 to 2017. This problem happens with cars having high mileage, 80,000 miles or more. 3.0-liter Diesel BMW engines, namely M57 & N57 used in the BMW X5 from the make years X5E53 Specs. As for the engines, these are so well-known and old units that we can only talk about faults or wear that are typical for high mileage.In the great diesels of the M57 family, anything can wear out, although the engines themselves are extremely durable. Average fuel consumption of approx. 10 l / 100 km and good dynamics encourage you to Specsdatasheet with technical data and performance data plus an analysis of the direct market competition of BMW X5 xDrive30d in 2014, the model with 5-door sport-utility wagon body and Line-6 2993 cm3 / 182.8 cui, 190 kW / 258 PS / 255 hp (ECE) of power, 560 Nm / 413 lb-ft of torque, 8-speed automatic with Steptronic manual shift mode powertrain for Themost accurate 2006 BMW X5s MPG estimates based on real world results of 780 thousand miles driven in 35 BMW X5s Click here to see 2006 BMW X5 3.0 D DIESEL L6 Added Oct 2014 • 10 Fuel-ups. Property of PeterF . 21.5 Avg MPG. X5 . 2006 BMW X5 3.0i 3.0L GAS L6 Automatic 5 Sport Utility (4 Door) 2006BMW X5 6 cyl, 3.0 L, Automatic (S5) Premium Gasoline: View Estimates How can I share my MPG? TheBMW X5 received rave reviews when it was launched; road testers were ecstatic about the performance and handling of the big wagon. They consisted of a 3.0-litre six-cylinder petrol slurper, a 4.8-litre V8 and a 3.0-litre turbo-diesel. The V8 went like gangbusters, but had quite a thirst for premium unleaded, making the 3.0-litre petrol mKpwJ.