i recently ordered a bavarian autosport chip, how do you know if it worked or not?
i ordered a performance chip from www.bavarianautosport.com and installed it correctly on my 2003 330ci but cant seem to notice the difference, it says it boosts the rpm level but it still shifts at 6500. what is the problem?
Well, first of all, the M54 3.0L engine isn't going to gain much power from a performance chip alone without other combined modifications. Even combined with intake, exhaust, and other bolt-on modifications, the power increase is very slight. It's no surprise that you won't notice it. There is however, a measurable difference if you were to time your 0-60mph time.
Now, when you say ".. but *it* still shifts at 6500" it makes me think that you're talking about an automatic/steptronic transmission. If you were driving a manual, you would say "the rev limiter cuts in about 6500 RPM before *I* can shift." So, if it is the case that you're talking about an automatic/steptronic, you need to get your EGS (transmission computer) reprogrammed to up-shift at a higher RPM matched with the bavauto chip. I believe DINAN has such an offering; talk to your local DINAN dealer. There might be other automatic transmission software, but you'll have to do your research. If you're driving a manual, and the rev limiter is cutting in at 6500RPM, then I would contact bavauto and see what they say.
Lastly, the bavauto chip, like most other performance chips should also remove the top speed governor, which is typically set at 125mph on non-M cars and 155mph on M cars. There are a few exceptions to that rule, but all cars have a speed governor from the factory. If this is removed by the bavauto software, you can try to take the car above the speed governor to see if it limits your top speed.
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