In this video, we going to change the main bearings on this BMW N57 / N47 diesel engine, so to protect it from the biggest enemy that these engines have, spun out bearings. Most of the time this should be done at around 150 000 km 200 000 km, including the timing chains, oil pump and the conrod bearings. Some people going to say that this is overkill, but the owners that have suffered from spun out bearings, know how expensive this saving can be. This video will be complete DIY, stepbystep, how to change them and what you need to test, before for changing these bearings on your BMW N57 / N47 engine (main bearing bore, crankshaft tunnel alignment, crankshaft journals, main bearing clearance, crankshaft runout, crankshaft axial play) . Sorry for the special tools used, but there are no other way.

BMW N57 Engine Stand Tool:

https://www.ebay.co.uk/itm/403344302228

BMW N57/M57 Crankshaft Seal Tool:

https://www.ebay.co.uk/itm/403565471983

Part 1 Engine Removal :    • BMW N57 Timing Chains Procedure Part ...  
Part 2 Timing Chain Assembly :    • BMW N57 Timing Chains Assembly Procedure  
Part 3 Main Bearings Change :    • BMW N57 Main Bearings and Oil Pump Ch...  
Part 4 :    • BMW N57 Timing Chain Cover, Oil Pump,...  
Part 5 :    • BMW N57 Swirl Flaps Removal Fuel Inje...  
Part 6 First Start :    • First Start After Timing Chains Chang...  

Car spec:
BMW F07 530d N57D30A 245 hp

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