#shorts #n47 #bmw diesel #engine noise # high mileage


BMW 318d N47 with 193,000 miles.


First, engine start up with fresh LL4 oil change with dipstick on minimum. Then I add 425ml of treatment and starting the engine the following day.



Wynn's Super Charge Oil Treatment Restoring Diesel Engine 2023 version


Can you notice any difference to the engine start up noise?


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