• JB+ BMW B58 M140i M240i 340i 440i

JB+ B58 M140i M240i 340i 440i

 There are many tunes available for the BMW B58. The most advanced and well proven B58 tuning box is the JB4. BMS has also developed a more simple B58 tuning box called the JB+ for those who want something more affordable and fit and forget. 

The B58 M140i M240i 340i & 440i JB+ increases boost by +4psi, which in turn raises power to approx 400bhp. The B58 JB+ installs in minutes and gives you incredible performance normally seen on super cars 10 years ago. 

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JB+ BMW B58 M140i M240i 340i 440i

  • Product Code: JB+B58
  • Availability: In Stock
  • £177.00