So, per wikipedia,
Quote:
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The N52B30 is available in three versions, all displacing 3.0 L (2996 cc/182 in3). However, each version produces variable maximum output depending upon the application. With a common engine displacement, the output changes result from the omission of the variable resonance system, dual plenum intake runner system, and the variable back pressure muffler: 190 kW (255 hp) at 6600 and 300 N·m (221 lb·ft) at 2500-4000 rpm is the first and most produced version, while the second one is more powerful at 195 kW (265 hp) at 6600 and 315 N·m (232 lb·ft) at 2750-4250 rpm. The third version is just starting to replace the first 190 kW (258 PS; 255 hp) versions on the E90/E60 in late 2006 and has first been released on the new E92 330i Coupé. It will produce 200 kW (272 hp) at 6650 and 315 N·m (232 lb·ft) at 2750-4250 rpm.
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Looking at real OEM, the euro 330i intake manifold is $550. Seems not prohibitively expensive. Seems like that, something exhaust side, and a tune should get you to 330i engine status, no?
Am I missing something?