Balr14
Well-Known Member
- Joined
- Jul 31, 2019
- Threads
- 32
- Messages
- 2,688
- Reaction score
- 2,519
- Location
- SE Wisconsin
- First Name
- John
- Vehicle(s)
- BMW Z4 M40i
The B58 is great but I was kind of hoping for an S58 version of the Z4. But, that's not going to happen. I settled for a plug-in module (JB+) that gives me a 93 octane tune and extra 4.5;bs of boost.B58!
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