Hi all bimmers Sifu my E36 1997 now millenge hits to over 350k pretty well maintance almost every 35k change oil and once a year gear box oil change. But recently thinking to upgrade for 2.5 engine but i recommeded from my friends better got 2.0 engine year above 1997 better performance and engine not much give problem...i want to find more datail if anyone here can pin point me which engine have a decent performance and reliability...i dun need perfomance like M3 but at least can feel a bit M POWER...if compare e36 1.8 been 8years old with me .....time to feel Power and pleasure diving...i love my e36 very much beside under power nothing much i can ask for more...