BC Racing HM Series Coilovers for 2009-2011 BMW 335d RWD (E90)

BC Racing HM Series Coilovers for the 2009-2011 BMW 335d combine the inverted-damper durability of the RM Series with the independent compression and rebound tuning of the ER Series, BC”s pick for track-day McPherson-strut builds. Every kit is extensively tested on the 335d chassis and refined until it balances ride quality with performance, the reason 335d coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide.

HM Series kits use an inverted mono-tube damper on McPherson-strut chassis (upright on double-wishbone) with external reservoirs feeding separate compression and rebound adjusters. The result: the tuning depth of the ER Series inside the heavy-load chassis architecture of the RM. The off-the-shelf setup from BC Racing is deliberately balanced, spring rates and valving chosen so the kit feels comfortable day-to-day without giving up performance when you push it. Drivers who want a different recipe can spec Swift Springs, spring rates, or fully valving at checkout; BC will tune the dampers to match, which is a depth of ization most brands only offer on their top-tier kits.

Since 2004, BC Racing has grown into one of the most trusted names in aftermarket coilovers, not by racing to the bottom on price, but by pairing that price with real build quality, deep ization options, and a damper design any suspension shop can rebuild instead of replacing. These 335d coilovers arrive tuned for the E90 chassis and ready to bolt in, no break-in period, no guessing at setup. Every kit ships with a 2-year manufacturer warranty, lifetime access to BC service parts (pistons, seals, shafts, no unit replacement required when it”s time for a rebuild), and in-house tech support from both BC Racing and the Springrates team.

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