Is auto start-stop technology bad for the engine? ASST reduces fuel consumption by shutting down a vehicle’s engine when idling. The technology has been around for more than 20 years. It has been present in European and Asian vehicles for a while now. It has recently become available in new models from several automakers in the US as well. If you recently purchased Remote Engine Start, but it is not shown in your vehicle, this could be due to technical restrictions (e.g., low battery, low outside temperature, etc.) or you may need to complete several drives before the feature is shown. If you still hove issues, please contact CustomerCare@bmwossist.com or coll 7-888-333-6 77 8. I never had rough idle on start up until after BMW preformed recall #2017-470 Engine PCV blow-by-heater. Now engine shakes for 1st 10 to 15 seconds with RPM rising and falling. Then everything works itself out and the car runs great. My car is a 2011 BMW 328XI with only 42,000 kms. Called dealer and they said they doubt it is related to work. The most concerning thing would be if you're having frequent start/stop while the engine is not at operating temp. It will definetly cause additional wear on the starter used for turning the crank over, but these starters are reenforced to last longer due to stop/start. Sometimes two different starters are used. 1. The start/stop feature of your car is designed to save fuel and lower vehicle emissions. AAA’s engineering department did some tests and found that fuel savings have been as high as five percent. Regarding extra wear and tear, so far tests have shown no significant change in battery or starter motor life. BMW backtracked on this after a massive outcry, but it left a bad taste in my mouth. If you want to add a feature, go for it, but let me decide whether to turn it off. Disabling auto start-stop permanently should be an option in the user settings, not a hack that requires external gadgets and a risk of voiding your warranty. Battery consumption: Most of the electrical systems in cars such as the air conditioning system, the engine cooling system will stop working when the Auto Start / Stop system stops the engine. Because these systems consume a lot of electricity to operate, and the battery can only be used for a short time. Steps to Disable BMW Auto Start/Stop You could look at it another way. It is intelligent enough to switch off the stop-start function, as your driving profile doesn't give the battery enough charge, and/or your energy demands are high. The fact it keeps the engine running means more charge time and lessens demand on the battery. Appreciate 0. Dịch Vụ Hỗ Trợ Vay Tiền Nhanh 1s.

is bmw auto start stop bad for engine