3-Series (E46, E90)Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.
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Alright, well I just passed the 5k mileage mark on my 330Ci, and I want to start adding some performance upgrades. What do you guys recommend I add that wont void my warranty? I've heard a little bit about Dinan and AC Schnitzer and am looking for any info/advice/recommendations.
I am certain Dinan is the only / was the only BMW approved aftermarket performance parts dealer. Installing Dinan parts on your car should NOT void your warranty, however their agreement with BMW may be expired. Call your local dealer, or BMWNA and ask to be sure. They are quality parts, but VERY expensive.
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mileage mark on my 330Ci, and I want to start adding some performance upgrades. What do you guys recommend I add that wont void my warranty? I've heard a little bit about Dinan and AC Schnitzer and am looking for any info/advice/recommendations. 
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