Have been driving my spouse's BLM for the past week to Ipoh and JB covering 1100km. Here are my observations:

The car with a full load of luggages with 3 kids and my wife in tow, the best consumption was 12km/l. This is conditional of you keeping your crusing speed at 110km/h. If you speed above the limit,the consumption is lower at 11km/l.

The best consumption I ever recorded was my trip to JB with no passengers and 2 luggages in boot. Managed to record 15km/l at constant speed of 110km/l. If you travel at 120km/l (or in excesss )as on my return trip, the consumption is about 14km/l.

Just discovered that the BLM tripmeter under read by about 5% as compared to the Waja,meaning the distance travelled may be the same for both Waja and BLM but the tripmeter in Saga shows lower reading by 5 %. This contributes to the perception that the car is a fuel guzzler.

The BLM is an auto unit. Not really hard to achieve the above figures on North South Highways.As I mentioned, you need to be consistent in your cruising speed. The BLM is quite heavy to pick up speed and any deceleration will not contribute to good fuel economy. The odometer only reads 7000km. Surprisingly the car is able to reach 160km/h without full throttle. At this speed, the engine noise is ireally screaming and wind noise seeps through the doors.