do88 Power Steering Oil Cooler — BMW M3 E90/E92

Wider wheels and sticky R-compound tires put real heat into the power steering system on the E9x M3 — enough to soften steering feel after repeated hard cornering. This cooler addresses that directly.

Specification

• 261% larger core volume than OEM — 1,562 cm³ vs 432 cm³
• 100% larger active cooling area — 578.5 cm² vs 288 cm²
• 100% more oil volume — 200ml vs 100ml
• Drop-in installation — fits OEM oil lines and brackets, no modification required