Quote:
Originally Posted by bquatt
I like the idea of a lighter crankshaft and single part timing chain that's apparently updated within the B46TU. The cooling system is apparently similar to one of their twin-turbo V8s. All of this speculation aside, the B46TU is a very advanced engine.
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Sounds good, but does not change the fact that certain internals on the B48TU are stronger which is a shame.
It's like the 320i guys that are increasing boost etc. to achieve similar HP and TQ to a stock 330i, I think for the most part the 320i engine is similar internally to the 330i. That makes sense because the 330i comes at the 320i
modded levels from factory. The problem is, the 330i may be maxed out and to go further we need B48TU internals.