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Miscellaneous Automotive
Car Performance & Repair
Shifting in "Auto" cars
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<blockquote data-quote="miker" data-source="post: 3718704" data-attributes="member: 580956"><p>So.. I have an old BMW w/ and automatic tran.. What I want to know is, why are the RPM's it shifts at variable??? Like sometimes I will get it up to 6k rpms, then it shifts down to about 4k, then it will shift down again at about 5k... But allot of the time it usually goes up to about 3.5k-4k... then shifts out of 1st....</p><p></p><p>Why would it be doing this?</p><p></p><p>Also the car "red-lines" at 6.5k-7.5k.. It's not "bad" for the car to get up into that range for a split second is it?</p><p></p><p>Just something to note.. It's not b/c the car is cold.. I'm talking about yimes when it is fully warmed up.</p></blockquote><p></p>
[QUOTE="miker, post: 3718704, member: 580956"] So.. I have an old BMW w/ and automatic tran.. What I want to know is, why are the RPM's it shifts at variable??? Like sometimes I will get it up to 6k rpms, then it shifts down to about 4k, then it will shift down again at about 5k... But allot of the time it usually goes up to about 3.5k-4k... then shifts out of 1st.... Why would it be doing this? Also the car "red-lines" at 6.5k-7.5k.. It's not "bad" for the car to get up into that range for a split second is it? Just something to note.. It's not b/c the car is cold.. I'm talking about yimes when it is fully warmed up. [/QUOTE]
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