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      06-04-2023, 05:30 AM   #40
Robertki
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Drives: F31 E61 E34 E23 E32 E46
Join Date: Aug 2022
Location: Norway

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Quote:
Originally Posted by Cytoplasm0671 View Post
Does the Allrad simply have a B58 engine inside of it?
I like your curiosity! 😄

It’s actually a N55 based engine but with Alpina trickory; a custom Alpina engine block, cylinderhead, pistons, intercooler, exhaust manifold and akrapovic exhaust.
Forged internals, new HP-fuel pump and a extensive modification to the air-intake and oil/water cooling systems. They also used the ZF8HP70 instead of the standard HP45.
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Current cars: E34 535i, E61 525d, E23 732i, F31 Alpina B3 Biturbo Allrad
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