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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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Old 09-15-2003, 06:44 PM   #1 (permalink)
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Does anyone know how high you can rev the engine without screwing up your engine??
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Old 09-15-2003, 06:50 PM   #2 (permalink)
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Originally posted by 318i-Bmw@Sep 15 2003, 06:24 PM
Does anyone know how high you can rev the engine without screwing up your engine??
to ur redline.i watch some people that shift when the rev limiter kicks in
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Old 09-15-2003, 06:52 PM   #3 (permalink)
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Originally posted by e36_332i_s52+Sep 15 2003, 07:30 PM--></span><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (e36_332i_s52 @ Sep 15 2003, 07:30 PM)</td></tr><tr><td id='QUOTE'> <!--QuoteBegin-318i-Bmw@Sep 15 2003, 06:24 PM
Does anyone know how high you can rev the engine without screwing up your engine??
to ur redline.i watch some people that shift when the rev limiter kicks in [/b][/quote]
So even if its right on the edge, it wont start to mess up my engine AT ALL until i go over the redline?
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Old 09-15-2003, 06:57 PM   #4 (permalink)
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Originally posted by 318i-Bmw+Sep 15 2003, 06:32 PM--></span><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (318i-Bmw @ Sep 15 2003, 06:32 PM)</td></tr><tr><td id='QUOTE'>
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Originally posted by e36_332i_s52@Sep 15 2003, 07:30 PM
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@Sep 15 2003, 06:24 PM
Does anyone know how high you can rev the engine without screwing up your engine??

to ur redline.i watch some people that shift when the rev limiter kicks in
So even if its right on the edge, it wont start to mess up my engine AT ALL until i go over the redline? [/b][/quote]
not if you dont hold the gas down and not shift to the next gear.. it fines if it dosent do it very long..i mean by that, its enough time for u to hear it and shift. thats enough..but leavin it rev redline for a while isnt good for ur engine
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Old 09-15-2003, 06:58 PM   #5 (permalink)
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If you try it I will kill you.

It is bad. Do not do it.

And to answer you other post of course if you down shift and slowly release the clutch it will both wear and put strain your motor.
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Old 09-15-2003, 07:06 PM   #6 (permalink)
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if u dont do it very often..then dont worry bout it
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Old 09-15-2003, 10:48 PM   #7 (permalink)
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First off, theres nothing wrong with redlining your motor. Theres just not really much reason to go higher than redline as your car wont make any more power at RPM's that high. On the other hand, if you have an aftermarket chip/software, you can take advantage of the higher redline so that after you shift youre more in the powerband.

Secondly, theres NOTHING wrong with engine braking. The only thing it inherently puts stress on is your clutch. On the other hand that stress goes to your brakes if you dont engine brake, so its really up to you...
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Old 09-16-2003, 05:20 PM   #8 (permalink)
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whats the point in going above 5 1/2 k rpms on e30? The car looses power here. And if you do have a chip it raises the rev, you know why? because the people who orriginally were getting the chips (before they were streamlined) already had engine work done, and on the m20 namely the head. The m20 head does not flow good at high rpms, its a sohc low rpm torquer.

Edit... i forgot this was in e36 forum... forget the m20 stuff, i dont know much about m50
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Old 09-16-2003, 06:59 PM   #9 (permalink)
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Wow ok one person says that it will DESTROY your engine if you downshift to brake, and the other says it is COMPLETELY fine to do it? Someone obviously doznt know wut they're talkin about.
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Old 09-17-2003, 12:18 AM   #10 (permalink)
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I said it before, an I'll say it again... theres nothing wrong with engine braking, end of story.

And even if the M20 makes max power at 5500 rpm, that doesn't mean you shouldn't wrap it out higher. If you shift at redline in an M20, youll be smack dab right back in the power band after you shift. If you shift at 5500, the engine wont be making very good power after you shift.

This also applies to why chips raise the redline, so that your powerband will be more effective after the shift. This helps especially on high end power motors that make max power way up high (e.g. S14, M42).
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