E34 535i Sport Performance Chips? - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 10-04-2004, 05:55 PM
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Hi all

I have got a standard 1989 E34 535i sport and am considering an inexpensive performance chip upgrade.
I have also seen an advert in a BMW car magazine for a chip called a 'Viper 2' for approx. £50. (this is an Eprom and not a resistor type chip). It states that they give an improvement of approx. 20bhp.
Can anyone verify the performance gains and/or have any experience of this chip.

Many thanks
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#2 (permalink) Old 10-04-2004, 09:18 PM
Millions of them.
 
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Never heard of these cheap ones... I would personally go for BavAuto chip. it does cost 250$, but at least you know what you are buying and incase you get other performance mods you can send it and have them reprogram it free.

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#3 (permalink) Old 10-22-2004, 01:01 AM
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Quote:
Originally posted by Torque@Oct 4 2004, 08:18 PM
Never heard of these cheap ones... I would personally go for BavAuto chip. it does cost 250$, but at least you know what you are buying and incase you get other performance mods you can send it and have them reprogram it free.
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BavAuto, thanks for the info... I'm also chip shopping.

Who else has advice? Seems people have the EA Chip, or some name similar to that. More opinions anyone?
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