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George @ BMS George @ BMS is offline
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Posts: 910
Join Date: Aug 2009
Car: E90 BMW 335i AT
Default 11-26-2018, 01:42 PM

Originally Posted by ZuMBLe
Drove about 10 miles on the Map 4 yesterday. Any worries driving on this map for a nice long 150 mile highway drive? The car definitely doesn't want to build boost on map 4 but it probably helps fuel economy when using cruise control.
No long term concerns. It just cuts the boost. If the car takes major strain in it the ECU will trigger a underboost code.

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