I would not modify the stock bar. The reason is that it is hollow, lightweight and not as stiff as a solid bar. The straight section on the H&R bar only need to be a few inches longer to bold up to the subframe...then it would work for both cars. probably like UUC built...although I've never seen one...
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08 335xi 6 speed, JB4, Short shift, CAI, Dinan exhaust, CDV delete, BMS oil can, H&R rear sway bar, OBX downpipes, CP-e Charge pipe/BOV SOLD.
06 760i, Meistershaft GT exhaust
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