120k Miles & Higher Revs From Chips - BMW Forum - BimmerWerkz.com
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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#1 (permalink) Old 10-04-2004, 05:15 AM
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I have just reached 125,000 miles (200,000 km!) with my '92 325i that I purchased in January. It is 99% stock, except for Synthetic Oils and a K&N filter.

The Chips JC, Dinan, BavAuto, etc. promise almost 10% more BHp, and also can increase the revs from 6,250 rpm up to 6,500 or 7,000 rpm.

My question is, will reving to 7,000 rpm with this vintage motor a recipe for disaster?

Who has this much mileage or more on their motor reving that high near every day?
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#2 (permalink) Old 10-04-2004, 03:36 PM
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Yah, I was deturred from buying a chip because nearly all of them raise the rev limiter... The rev limiter's there for a GOOD REASON and I don't like reducing it's effectiveness. I'm really not sure dude.


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#3 (permalink) Old 10-04-2004, 04:13 PM
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Do you normally bounce it off the rev-limiter as is? You shouldn't be hitting the current rev limiter, so just drive like you already do, enjoy the extra hp, and don't go around revving to 7k.

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#4 (permalink) Old 10-04-2004, 04:48 PM
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I dont, but shit happens, I'd rather it not be allowed to throttle enduced go higher than what it's at now...


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#5 (permalink) Old 10-04-2004, 06:28 PM
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i have 154k and a dinan chip, you dont need to be cranking it up to 7k to feel it. The chip will give you better mpg as well. I can feel the power around 3.5k

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#6 (permalink) Old 10-04-2004, 09:36 PM
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Rev 'er hard.

114k sees 6500 quite regularly during my on ramp negotiations. The last 500 doesn't pull well so you're better off shifting anyways unless it's a 0-60 run

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#7 (permalink) Old 10-04-2004, 10:09 PM
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revving up any car that high isn't good for it. the only thing that driving like that will do is cause for an early rebuild. unless its a racecar, then maybe that would be suitable for driving that high. but look at the hp curve and its peak is less than 7k. so even revving the engine at that speed won't even benefit you that much. i have a 94 325is, with 100k, and i have never reached her over 6k.
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#8 (permalink) Old 10-04-2004, 10:54 PM
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These cars were meant to drive... meant to be driven.. not to be toyed with... and not to be pampered...

The engine is able to go a lot higher than 7k... but playing the odds.. and looking at the ratio.. bmw found an equal medium.. 500 isnt going to kill your engine any faster than 6500 on a regular basis.. just dont do it all the time...

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#9 (permalink) Old 10-04-2004, 11:04 PM
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Talking

Quote:
Originally posted by abemcclellan+Oct 4 2004, 09:09 PM--><div class='quotetop'>QUOTE(abemcclellan @ Oct 4 2004, 09:09 PM)</div><div class='quotemain'>i have a 94 325is, with 100k, and i have never reached her over 6k.[/b]


Then you have no idea what you are missing!


<!--QuoteBegin-Kevin325i
@Oct 4 2004, 08:36 PM
The last 500 doesn't pull well so you're better off shifting anyways unless it's a 0-60 run [/quote]

Yes, having to shift into 3rd just before does kill the 0-60 times doesn't it? n

Saving a shift will shave probably a half second right there!

Right now, my motor has solid torque up past 6,000 rpm. It still keeps me back in the chair!

I hit redline probably 5 times a week. I try to shift before because the limiter slows you down... :


I just miss the low 5 second 0 - 60 runs I enjoyed with one shift in the old '87 5.0 LX 5 speed...
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#10 (permalink) Old 10-04-2004, 11:10 PM
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Yeah the second shift really sucks if you're trying to put an impressive 0-60 time. People get confused when you have like a 7.7 0-60 but still a 15 second 1/4 mile.

Run the engine hard. It's a car. It's expendible. There's a million others like it. End of discussion.

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