Quote:
Originally Posted by Reid
If this is a serious concern, I would recommend keeping the car stock.
Once you tune the car, you can't expect BMW to foot the bill for engine damage.
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Why not, as long as you can revert back to stock why should it void the warranty and your dealer is not trying screw you, just tell them what you did and in my experience they do everything they can for your car not to be flagged. Most of the employees at BMW centers are gear heads them selves and understand the world of tuning and maximizing performance. My M tech always took care of me and deleted any codes that could have flagged my car and made the warranty invalid.
Jas anyone had any issues where the dealer said you altered your M3/M4 and you are now holding the bag.(and bill)?