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      03-23-2018, 05:54 AM   #40
Efthreeoh
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Drives: The E90 + Z4 Coupe & Z3 R'ster
Join Date: May 2012
Location: Virginia

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Quote:
Originally Posted by sheikh2 View Post
Good post, what does that mean "get your battery registered"? Is it a special synchronization, or literally mean register it with the manufacturer, for say warranty purposes?
The engine control unit varies the charging rate of the battery and compensates as the battery ages over time. When you change the battery with a new battery of the same type and electrical rating, you should register the battery as new with the engine control unit (ECU) so the ECU knows there is a new battery in the car and that it is charged correctly. If you change battery types or electrical rating, you must code the ECU for the new battery as well.
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A manual transmission can be set to "comfort", "sport", and "track" modes simply by the technique and speed at which you shift it; it doesn't need "modes", modes are for manumatics that try to behave like a real 3-pedal manual transmission. If you can money-shift it, it's a manual transmission. "Yeah, but NO ONE puts an automatic trans shift knob on a manual transmission."
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