E82 E87 E90 E92 E93 Dinan 12mm Rear Upper Shock Mount Kit RSM - 114251

Dinan’s 12mm rear upper shock mount kit (RSM) lifts the top of the rear damper by 12mm - not 10mm, not ‘up to’ 12mm. It’s a precise, repeatable geometry correction for E8x and E9x chassis with N54, N55 or S55 engines.

• Fixes rear camber loss under compression - critical for fast road, track day and stage 2 setups where rear grip matters
• Works with stock dampers, KW, Bilstein B16/B14, AST 4100, and other threaded or non-threaded rear shocks
• No alignment required post-fit; ride height unchanged; no drilling, cutting or spacers needed
• Fits E82 135i, E87 135i, E90/E92/E93 335i, 335is, 328i (N52/N54/N55), xDrive variants included - all 2006-2013
• Not a ‘softer’ or ‘stiffer’ mount - it’s a geometry correction. Think decat + RSM = sharper turn-in without sacrificing daily driver compliance

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