Maxton Design - Spoiler CAP 3D BMW Z4 M-Pack E89 Facelift BMW M2 Whilst this is adequate for

Whilst this is adequate for standard turbo cars

Now comes with 3 pce cold side

Instructions

and is in fact closer to a secondary ECU

With mapping we saw the power rise up to 208hp

Maxton Design - Spoiler CAP 3D BMW Z4 M-Pack E89 Facelift BMW M2 Whilst this is adequate forSpoiler CAP 3D BMW Z4 M Pack E89 Facelift Upgrade your BMW Z4 with this aggressive looking 3D Spoiler cap. Designed to be Lightweight and offers some flexibility for perfect fitment and lasting performance, it's the ideal addition for enthusiasts seeking both style and substance. Fitment: BMW Z4 M Pack E89 Facelift (2013 2018) BMW Z4 M Pack E89 2009 2013 COLOUR: Gloss Black Whats Included: Spoiler CAP 3D + 3M Tape Degreasing Cloth Fitting Manual Key