Blog, BMW Case Studies, Car Repair and Servicing, Case Studies BMW Case Study 56: 523i Engine oil leak issue Posted on November 10, 2021November 10, 2021 by admin 10 Nov When BMW expertise Equal shorter repair lead time. Vincent’s BMW 523i is having some serious Engine oil leak and we are tasked to resolve his issue. Vincent sends in his BMW 523i for Engine oil leak. Car is swiftly hoisted up to allow our BMW specialist to trace the engine oil leak source. The volume of Engine oil leak is pretty big from the Flywheel oil seal. In order to replace the Flywheel oil seal, the Gearbox have to be dismantled from the car. The Flywheel oil seal location. We replaced badly worn Flywheel oil seal to resolve the leak. All done within a day with a complimentary car wash and vacuum. Day 4 Following up on the Maserati Ghibli for a full spray painting These Continental Beauties Are All In For A Premium Zetough Paint Protection Coating!