Purchase this kit for my first oil change in my first BMW 2001 330xi msport, 164k. The kit was perfect, Just follow the step by step from FCP. I haven't drove yet, just idled for 10 minutes before oil change, then ceratec after with new oil and ran for 5 minutes; then added fuel system cleaner. Then shut down car. I'm curious to see how the ceratec helps.

Did the first stage, fuel system cleaner and flush where performed with no issues. The Ceratec has mixed reviews elsewhere, but i know my valvetrain noise on cold starts was reduced and I expect it to go away entirely in the next few hundred miles. Couldn't be happier.

LiquiMoly continues to impress me with their variety of oils, lubricants, and additives and this kit is no exception. The engine flush is a great preventative maintenance item to combat sludge and the harsh effects of stop-and-go driving on the oil. CeraTec is something that I add to all my vehicles to help reduce friction inside the motor which improves operating efficiency and lowers fuel consumption.

Great great kit especially the anti friction additive gets rid of engine knock on my BMW even at first start ups.

Added this Liqui Moly Additive Kit to my still running strong 99 ML320 with 200K miles and noticed immediately that the engine revs without any effort and smoothly for the first 100 miles or so. It then gradually loses the light and smooth feel but still better than before the treatment. However, the engine lost the instant kick-in power which it used to have when I floored the gas pedal.

Quieter, smoother, better fuel economy operation. Will perform again as directed. Thank you, FCP Euro.

Worked really well. Used the engine flush and the motor oil came out very black. I also used the fuel system cleaner and the cera tec additive and my engine feels smoother and is quieter as well. Good product. Will use again when it comes time to use this additive kit again.

Skeptical until I used it. Bought a second one for the wife's car.

So far it seems to do what it’s supposed too.

I use Liqui-Moly oil in my Volvo S60 R, so it was a no brainer to buy this additive kit. I was due for an oil change and checked the oil. It was a dark golden brown. Added one bottle of engine flush when the motor was up to temperature and let it IDLE (DON’T DRIVE IT) for 10 minutes. Drained the oil and it was very very very black with a glossy mirror sheen. The engine flush definitely did its job. I let all the oil drain down to the last drop and then filled with fresh Liqui-Moly oil that I also purchase from FCP in their convenient oil change kit. Added 1 bottle of the Ceratec to the oil and also poured one bottle of fuel system cleaner in my fuel tank that had about 8 gallons in it. After driving a few hundred miles I filled my tank full and reset my fuel economy calculator. The next day I took another long (500 mile) trip and at the end of the trip my fuel economy calculator on my car said 29mpg, which is the best gas mileage I have ever seen with this car. I don’t remember the exact number I was averaging before the oil change and additives - it was 25/26 mpg or so. I made sure to drive easy to see what kind of fuel economy I could get, so I don’t know if it was just me or the Liqui-Moly. I believe it was a combination of both.