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      05-26-2026, 10:20 PM   #4
Manuals4Eva
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Drives: Z4 HS
Join Date: Jan 2025
Location: Colorado

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I think the Japanese have lost their edge a little bit in reliability compared to the Germans. Before they had the luxury of doing things simpler and marketing their simplicity as reliability. Now their transmissions are 8 to 10 speed, instead of 4, they use turbochargers, have more plastics in the engine bay, and are using even thinner oils than BMW on some models. The B58 uses 0w-20, the Corolla uses 0W-8.

It's hard to believe that these changes won't change their overall reliability, especially since these changes are new to them compared to BMW which has been dealing with these changes for a while.
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