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Re: 1994 850Cia chip (archive)
[ Follow Ups ] [ 8-series (E31) Message Board ] [ Msg. Board FAQ ]
Posted by James on March 18, 2001 at 11:59:44:

In Reply to: 1994 850Cia chip posted by Jeff on March 18, 2001 at 06:27:39:


I have a 1994 850ci auto (4 speed) and I purchased a performance chip from Bavarian Autosport...actually 2 chips for the M70. I was informed two chips were requires due to the 2 inline 6 engines... is this true? Also I was informed that the torque and hp would increase by about 35


Jeff,
There are indeed 2 chips required for the M70 motor.
This is because there are 2 ECU computers, one for each cylinder bank.
The engine will actually run well enough to get you home on 6 cylinders if there is an electrical or fuel problem with one bank of cylinders.
This is why the 850 will rarley leave you stranded if there is a breakdown.
As far as HP increases, 35 is reasonable for some chips like the Conforti. I do not know which chip Bavarian Autosports is selling, but I think it is one of the major tuners chip that is private labeled. Did you ask which tuner's chip it was?
There is also a chip available for your transmission from Dinan. This will not add HP, but is supposed to give crisper shifts at higher RPM's. Not to many people here have the transmission chip, but quite a few have the engine chips.

Check the archives for more info and dyno charts.


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