Air and Fuel Air and Fuel Cooling Systems and Components

do88

do88 10-13 BMW 135i/335i/35i N55 (E9X/E8X) BigPack Intercooler Kit

$1,184.10

SKU: D096 BIG-290-S

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The do88 BigPack is a comprehensive performance upgrade for BMW N55 engines, including a large intercooler, charge pipe kit, and turbo outlet hose. It offers significantly increased airflow (41% higher) and reduced post-intercooler air temperatures (15°C lower), resulting in a peak power gain of 13 hp. The kit features a 124% larger core volume and 75% larger frontal cooling area compared to the original equipment, ensuring enhanced cooling efficiency and reliability.

Fitment

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Specifications

Branddo88
Part NumberD096 BIG-290-S

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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