AFe Power Bladerunner 2-1/4" Intercooler Tubes Hot Side - F80/82/83 M3 M4 S55 3.0L

aFe Power has released their all new BladeRunner 2-1/4" Intercooler Tubes for the F8X M3 and M4. These boost the power output of the S55 engine by up to +18 Hp and +21 lbs. x ft. torque. This is achieved by creating a much less restrictive air flow design and reducing over-all air turbulence by using mandrel-bent aluminum tubing. These tubes are also power-coated black to help with heat resistance. Includes hardware, silicone couplings, a works directly with your stock intercooler.

Details:

  • Up to +18 Hp / +21 lbs. x ft. Torque gains
  • Retains factory style turbo outlet o-ring seal made from 6061-T6 Billet Aluminum
  • Constructed from 2-1/4" mandrel-bent aluminum tubing for increased flow and reduce turbulence
  • Powder-coated wrinkle black for heat resistance
  • Hot side tube fitment
  • 5-Ply Silicone coupling for strength
  • Includes premium stainless steel clamps for a secure fit
  • One 1/8" NPT port is provided on each tube for connecting pressure sensors or water methanol injection
  • Works with the factory intercooler
  • Includes necessary hardware for a hassle-free installation
  • Replaces factory plastic intercooler tubes which are prone to breaking over time or under high boost.

Fits the following BMWs:
2015+ F80/82/83 BMW M3 M4 S55 3.0L

T#: 394531 | Part#: 46-20198-B
637.33
SALE: $637.33 (7% OFF)
WAS: $689.00 on 09-01-2026

This product was last offered at the strikethrough price on
09-01-2026

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AFe Power Bladerunner 2-1/4" Intercooler Tubes Hot Side - F80/82/83 M3 M4 S55 3.0L
$637.33