Best Side Skirts & Extensions for BMW 4 F36
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More body and aero parts for the BMW F36
Popular F36 side skirts & extensions
Mid-tier mix of side skirts & extensions that fit the BMW F36.
M Performance Double Slat Kidney Grille for BMW F32 F33 F36 F80 F82 - Gloss Black Chrome
M Performance
$71.79
Front Lip Splitter Compatible with BMW F32 F33 F36 428i 430i 435i 440i 2014-2020 M Sport Bumper Chin Spoiler Gloss Black 4 pcs
GLEEMAX
$65.99
When it comes to body and aero upgrades for the BMW F36 Gran Coupé, the options are more refined than flashy, which suits this chassis perfectly. The F36 shares its platform with the F30 and F32, so many fitment-specific pieces translate well. Popular choices include the M Performance-style front splitter, available from both BMW Genuine and aftermarket suppliers like 3D Design and Maxton Design, the latter offering aggressive diffusers and side skirt extensions that genuinely improve rear downforce at speed. For a cleaner OEM-plus look, the M Sport front bumper conversion using genuine BMW components is a favorite among enthusiasts who want subtlety with purpose. Carbon fiber mirror caps from Sterckenn or Rennline are a straightforward swap that complement the roofline beautifully on this four-door body style. If you're upgrading aero on your F36, always prioritize balance - adding a rear diffuser without addressing front aero creates lift at highway speeds, which undermines handling. Stick with matched kits from a single manufacturer where possible, and make sure all splitter extensions are properly reinforced underneath, as the F36's lower front lip is particularly vulnerable to parking lot damage.