JB4PRO BMW B58 & S58 Flex Fuel Add On Harness C43 Note that the Distance to

Note that the Distance to Empty will be calculated based on the original 24-gallon capacity

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Running a too heavy spring may prevent the BOV from opening properly

JB4PRO BMW B58 & S58 Flex Fuel Add On Harness C43 Note that the Distance toThis plug and play JB4PRO add on harness for the BMW B58 and S58 platforms connects an ethanol sensor and an additional pressure sensor to the JB4PRO system. Includes a PNP 12v adapter and safety fuse for a simple clean install. For those running port injection also get the add on port injection harness which connects the JB4PRO flex fuel harness to your six additional port fuel injectors.