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Re: Down side to chipping a 525i??? (archive)

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Posted by ChesS on April 02, 1999 at 11:16:32:

In Reply to: Down side to chipping a 525i??? posted by GEETEELEE on April 02, 1999 at 09:42:05:

First of all. After you install chip you can brag about that and you will be like the rest of us - have your car "sharked"
To answer your Q. (in [ ])

1. The engine life. I fully expect to keep the car well over 100k. (Had an '86 325 w/ 170k until totaled). Will it effect the reliable life of the engine?

[I don't think it will effect your engine life. May shorten it because you may want to drive the car harder]

2. How does chipping one affect the gas mileage?

[In same cases it doesn't but most of the time mileage goes worse - nothing is for free.]

3. Should the maintenance interval be reduced?

[ NO - why should it?]

4. What kinda performance enhancement can I reasonably expect?

[More power at high RPM. Change at low end is usually minimal if any. That is probably why cars with manual transmission feel it the most. But there are some guys who are very skeptical about the whole thing.]

5. Which chip is best?

[ Seems to be a personal or regional decision. JC and Dinan are the most popular]

ChesS
'91 M5
Dinan chip and Cam Sprockets.
'85 535I

: Gotta '95 525i auto (SWMBO had to have a damn self shifty). It's not very quick, but handles well as ya'll know. The car now have 50k miles. If I do chip it what will happen to:

: 1. The engine life. I fully expect to keep the car well over 100k. (Had an '86 325 w/ 170k until totaled). Will it effect the reliable life of the engine?

: 2. How does chipping one affect the gas mileage?

: 3. Should the maintence interval be reduced?

: 4. What kinda performance enhancement can I reasonably expect?

: 5. Which chip is best?

: One more question - Does anyone use the "manual" mode on the auto tranny and actually shift manually? I find ya really gotta git the timing exactly right to avoid overreving due to a delay from the time you move the lever and the time the trans actually shifts. Also you have to be really careful to move the lever to the desired gear - it's very easy to move it too far, especially when trying to smoke that camero.....

: Thanks, Lee




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