Your car doesn't need a timing chain replacement. My last e46 went 255k (sold it for another car) miles with no issues and my current ZHP has 171k miles on it with no issues either. The ZHP sees 6800 rpm many times on a daily basis. Hell, a buddy of mine has 310k miles on his 2000 328i without a new timing chain.
If you want your car to last then keep it filled with 93 octane gas, do all cooling system replacements, keep the oil changed at 7500 mile intervals, and make sure you do a proper tune up every 80k miles. The bottom end will outlast the car. I speak from experience
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Originally Posted by Fast Bob
now, go burn your Man Card, and buy yourself a Camry....