Quote:
Originally Posted by Pladi
Can anyone here say they have not replaced any cooling components in over 120k ?
Because my 200k Mazda and 150k Elantra have had ZERO such issues. Luck ? I don't think so. They are just not in the business of making money in parts.. different business philosophy.
Yet most e90s won't make it past 50k
My winter beater Mazda 3 in fact has suspension components replaced and motor mounts in 200k. That's it. Does not leak anywhere. Rusted to hell though. Known issue I won't ever deny.
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What's the operating temperature of your Mazda 3? The NA 2.0-2.3 port injection 4 banger with a belt-driven water pump and 144-155 hp is a much milder operating environment than the turbo 3.0 direct injected inline 6 with an electric water pump and 300 hp in your 335xi. I'm not trying to be a fan boy, but you have to admit it's not an apples to apples comparison. That said, does BMW have a history of poor cooling systems? Yes. Even in the less harsh engine environments of the e39's, e46's, etc. it's been an issue. I just bring up that you're not comparing apples to apples between your Mazda and your BMW.
If you want 300+ hp and bulletproof reliability you typically need NA with higher displacement. The best compromise might be the 3.5-3.7 liter VQ motor from Nissan, or the 3.5 liter 2GR motor from Toyota (typically not a 300 hp motor). Otherwise you're looking at a V8.