BMW E46 Acceleration - 1.6 vs 1.8 vs 2.0 vs 2.3 vs 2.5 vs 2.8 vs 3.0 vs 3.2 M3 - With Sound 

Pre-facelift is 2.0 with 150 hp. 2.2 has 170 hp like you said.

the early pre-facelift 320i is 2.0 150 hp code m52tub20 later in the production, they replaced it with the m54b22

its ready in 45 mins