Quote:
Originally Posted by juyeop
So N55 being old too in BMW engine line up is still better than the one in STI I guess? What about WRX base engine then???
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The N55 is was developed when, 2010? The EJ255/7 is a bored version of an engine designed in the 1990s. And when they moved to the 2.5, they brougth with them a lot of piston issues. They'd have stroked the motor if they could have, but it wouldn't fit in the cars. So they're stuck with the over-square, detonation machine that is the EJ257.
The base WRX engine, as of 2015, is a modern 2.0l DI powerplant. Much like BMW's N20.
The WRX is the better buy until the do something with the STIs engine. Embarrassing. It should have had a new motor in 2010, if not earlier. Now it's looking like 2020 at the earliest. A damn MS3 had a DI engine as of 2006 for god sakes.
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'02 S54 M3 (500/500 GC/Koni)
'08 N54 135 (JB4, DCI, BMW PS/Bilstein B6s, H&R M3 FSB, Strongflex FCABs)
'14 N55 X1 (JB4, BMS DP, BMS Intake, Alpina TCU reflash, H&R Sports, Bilstein B6s, E93 M3 RSB, Strongflex FCABs, baby seat)
'08 N54 535xi touring (Bilstein B6s, Downpipes, MHD tune, baby seat)