If you ever get the car serviced/fixed somewhere and they plug into the ECU, you will find out what a normal Z4 is like. The BMW equipment will wipe out the Dinan and reinstall the regular BMW software. Then you have to go find a Dinan dealer and have it reinstalled (at no cost usually, just a pain in the As*.) My BMW dealer is the Dinan dealer around here so it's not too bad...
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Member ZSCCA 2009 Z4 s35i with Dinan Stage II software, Sport and Exec packages, 19" 296 rims , a stubby and mud flaps
'03 Z4 3.0i Sterling Grey (Hers)
'01 Z3 3.0i Sapphire Black, M sport package (Mine)
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