BMW F40 (2018+) FRONT ARM REAR BUSH ecstuning The system dramatically outflows the

The system dramatically outflows the stock intake

The aluminum battery case is CNC-bent and made from heavy duty 5052 aluminum for precise fitment and durability

and fits directly between the rollover bars behind the seats

both finished with a glossy

while utilizing 72 directionally curved vanes to forcefully flow cool air through the rotor to dissipate heat

BMW F40 (2018+) FRONT ARM REAR BUSH ecstuning The system dramatically outflows thePFF5 1302 The original bracket for this bush has to be reused. OEM Part Number: 31126850403 31126850404 (02 12 2013 to 06 11 2014) OEM Part Number: 31126874341 31126874342 (01 09 2014 to 15 12 2017)