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Compare the best BMW M3 and M4 clutch kits for F80 (S55) and G80 (S58) 6-speed manuals. Twin-disc upgrades from $1,21...

Compare the best BMW E90/E92 M3 big brake kits for 2008-2013. Alcon, Brembo and EBC 6-piston 380mm upgrades that kill...

Step-by-step BMW E36 M3 catalytic converter replacement with a CARB-legal MagnaFlow direct-fit cat: tools, torque spe...

Compare the best BMW F8x M3/M4 sway bars for 2015-2020: aFe Control, H&R, Eibach and Whiteline. Adjustable bars, ...

How to install a cold air intake on the 2015-2020 BMW F80 M3 and F82 M4 (S55). Tools, torque, power gains, and the 5 ...

Compare the best BMW G80 M3 & G82 M4 cold air intakes for the S58: Mishimoto carbon, AWE S-Flo, do88 & aFe Mo...

BMW F8x M3/M4 cooling upgrades for the S55: compare air-to-water intercoolers, oil coolers & heat exchangers that...

How to upgrade your BMW G80 M3 & G82 M4 brakes: 2-piece rotors and race pads for iron and carbon-ceramic cars, fr...

Compare the best carbon fiber upgrades for the 2021+ BMW G80 M3, G82 M4 & G87 M2: Akrapovic wings, diffusers, mir...

Compare the best big brake kits for the BMW F80 M3 & F82 M4: Alcon 6-piston BBKs, GiroDisc & EBC 2-piece roto...

Full review of the Akrapovic Slip-On Line titanium exhaust for the 2015-2020 BMW M3 & M4 (F80/F82): weight, sound...

Compare the best BMW F8X M3/M4 (S55) intercooler upgrades: Garrett, Mishimoto & Koyo charge coolers with real dyn...