4 cans of BG Engine Performance Restoration 109

2010 Toyota Sequoia 5.7. 276,000 miles. I had the timing chain tensioner noise on the drivers side. It isn't detrimental to the engine, but it is annoying. I used two cans of this magic elixer idling for 5 minutes and then keeping it it 1200-1400 RPM for 20 minutes. The tensioner being hydrolicaly controlled probably had a touch of varnish or a slight clog. This is common even with religious oil changed as I have done. I also switched to Synthetic Penzoil 0-20 instead of Valvoline Max Life 0-20 for the oil change after using it. No more noise! You can lower the window and have a conversation now beside another car both running! I didn't have to replace the timing chain tensioner! Thanks!

Thank you so much

The old tractor was smoking a bit and this cured it.

I am not one to use oil additives, nor do I believe advertising hype that defies the laws and physics and chemistry. Watched several trusted YouTube videos in which this product seemed to work. I tried it in my 2006 Highlander with 193,000 miles which has seen 5K oil changes since new. The car will burn a quart or less in 5,000 miles if you run it hard--70-80 mph. I added a can to the oil and ran it for 15 minutes after a one mile gentle drive. The first think I noticed upon oil drain is the oil was black and gritty, which is abnormal for this engine. The particulate in the oil appeared to be gritty carbon. I refilled the crankcase with good oil and changed the filter. I didn't think it could run any smoother, but it does. The oil level has not moved in three weeks. This is not unusual because it has not been driven hard. For this SUV with a 2.4, 80 mph is near it's maximum. Time will tell, but so far, the oil is clean and the engine is very smooth, both at idle and under load. My opinion is there is only one place in the oil system that accumulates carbonized oil, and that is between the oil rings and in the ring grooves. There is no other place in the engine that receives that much heat and blow-by. The suspended material was considerable. These engines tend to be sensitive about oil coking in the oil rings, and this product definitely goes to work on it. Update: I used this treatment on my other two vehicles. My 2003 4cyl with 120K miles has been smoking on cold start for 15 years. The cold-start smoking has stopped and not returned in 6 months. My 2017 Tacoma did not show any significant darkening of the oil and there were no changes at 85,000 miles.

Worked for my Audi. Cleared out the packed piston rings. hesitation went away and Improved fuel economy.

One can was damaged when arrived, contacted seller and product was replaced in a timely manner. Thank you for the amazing customer service. Product is great as always.

Been using them for quite awhile. Cleans better than others. Had to use engine cleaners and frequent oil changes after rings stuck and engine oil burned to a minimum at 185,000 miles. Now at 236,000 miles. Gotta check that oil and keep it topped off in these old cars, the lower the oil level the faster it burns. Lifetime engine warranty from hinda dealership (fidelity) excludes damage from lack of fluid....gotta stay on top of it until it burns too much but so far it just keeps going at 1 quart per 2,700 miles.

Value,quality & good additive to help keep engines running smoothly