Appropriate for:for BMW 228i xDrive Gran Coupe F44 2020, for BMW 230i Convertible(F23), Coupe(F22) 2017-2020 , for BMW 230i xDrive Convertible(F23), Coupe(F22) 2017-2020 , for BMW 330e Sedan(F30) 2016-2018 , for BMW 330i Sedan(F30), Sedan(G20) 2017-2020 , for BMW 330i GT xDrive F34 2017-2019 , for BMW 330i xDrive Sedan(F30), Sedan(G20), Wagon(F31) 2017-2020 , for BMW 340i Sedan(F30) 2016-2018 , for BMW 340i GT xDrive F34 2017-2019, for BMW 340i xDrive Sedan(F30) 2016-2018.
Function:The oil seal holds the piston and connected to the flywheel and the pulleys that power all the engine accessories.
Installation Instructions:Direct replace the broken crank oil seal improving driving safety performance.
Please Notice:Common oil leak signs of a bad main seal include: 1. Worn main seal bearings. 2.Bad PCV valve. 3. Low oil level. 4. Crankshaft or transmission alignment.