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5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
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.
Never heard of these cheap ones... I would personally go for BavAuto chip. it does cost 250$, but at least you know what you are buying and incase you get other performance mods you can send it and have them reprogram it free.
Originally posted by Torque@Oct 4 2004, 08:18 PM Never heard of these cheap ones... I would personally go for BavAuto chip. it does cost 250$, 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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