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)
Hi, I'm new here. I don't like the 18mpg I'm getting from my E34, would a chip help? Most of them talk about hp and torque but I've also heard that it affects gas mileage, although some say it goes up, some down.
I'm thinking that one of these from eBay is probably a copy of a more well known brand like Dinan, since a chip this cheap probably has no R&D of its own.
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