you can use M50 cam trays with 35 mm diameter Volkswagen-style lifters (similar to part number 050109309H)

The vibration leads to the oil pump shaft becoming weak

Gen 1 and 2

BMW E28 M535i

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BMW M52TU M54 Block Sleeving Service 72-903 you can use M50 camBMW M52TU M54 Engine Block Sleeving Service If you're planning to make serious power with your M52TU or M54, the factory aluminum cylinder bores eventually become the limiting factor. Whether you're building a turbo street car, drift car, drag car, or dedicated race engine, sleeving the block is one of the best investments you can make for long term reliability. At 5150 Autosport, we don't sleeve blocks because it sounds good, we sleeve them because