BC Racing ER Series Coilovers – BMW 440i (F32/F36, 5-Bolt Top Mount) B58

OVERVIEW

The BC Racing ER Series is a 2-way coilover with independently adjustable compression and rebound and an external reservoir, built for serious track and motorsport use. For the F32/F36 440i it offers the widest tuning range in BC's core lineup, letting you separate low-speed and high-speed damping control.

SPECS

• 2-way independently adjustable damping — separate compression and rebound control
• External reservoir mono-tube design for consistent motorsport performance
• Full-length adjustable ride height
• High-tensile SAE 9254 springs; Swift spring upgrade available
• Front camber plates included where the application allows
• Fully rebuildable and serviceable; 1-year warranty

PARTS INCLUDED

• Set of 4 BC Racing ER Series coilovers, assembled with springs
• External reservoirs with mounting brackets
• Front upper mounts / camber plates (application dependent)
• Spanner wrenches and damping-adjustment tools
• Installation hardware

TECH RESOURCES

• Fits cars using the 5-bolt front top mount
• If your car is equipped with the optional adaptive M / EDC suspension, an adaptive damper (EDC) delete or bypass is required to prevent a suspension warning light (not included)
• A professional wheel alignment is required after installation
• Professional installation and corner-balancing are recommended; installation follows the standard BC Racing coilover procedure

PART NUMBER

• I-84-ER

VEHICLE APPLICATIONS