BMW M73 Engine
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BMW M73 Engine For Sale
This engine replaced the previous M70 unit, also split into 12 V- cylinders.
However, there were notable differences with the previous unit, since first of all the construction technology changed, which uses electrochemically treated alusil for the monobloc, in order to obtain silicon barrels. The two heads are in aluminum alloy.
The bore and stroke measurements also change, 85×79 mm. The overall displacement is thus increased to 5379 cm³. The electronic control unit is also different, again a Bosch, but this time a Motronic M5.2 instead of the previous LH-Jetronic. In some versions, however, there were two control units, one per bank.
Watch this before buying a Used Engine!
If you’re considering buying a used engine, it’s important to know what to look for to avoid any potential problems. A thorough inspection can help you identify any issues before you make your purchase. This video provides valuable tips on what to look for when buying a used engine to ensure it’s in good condition.
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