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      10-26-2018, 05:22 PM   #22
mkoesel
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Drives: No BMW for now
Join Date: Jun 2006
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Quote:
Originally Posted by BonitaBMW17 View Post
So I wonder what the differences are? I find it hard to believe that BMW would put different hardware on the 340i motor. The cost to manufacture would escalate for BMW and that won't make the bean counters happy, and we know they run the show (losing the hydraulic lift on the rear trunk for 2109 X3). It will be interesting.
They aren't putting different hardware on the M340i motor. The B58 is getting a technical update which means new versions of the engine will be phased into all models that use the B58, not just the M340i. The changes aren't likely to be dramatic, but there will be some updates to the hardware which will necessitate updates to the ECU software that will not be backwards compatible with the pre-TU engines.
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