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Ignitions and Electrical› Computers, Chips, Modules and Programmers

BMW

N55 Engine Performance Kit

Name: N55 Engine Performance Kit
Brand: BMW
SKU: 11122344610

$1,424.99 $1,188.01 Save $236.98

SKU: 11122344610

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$100 Minimum Order

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Overview

This kit enhances performance by flashing the ECU, resulting in an additional 20 horsepower and 32 ft-lb of torque, along with sharper accelerator calibration for improved response.

This power kit is specifically designed for the F15 and F16 chassis, fitting the X5 and X6 models equipped with the N55 engine. Installation requires a visit to a BMW dealer for the ECU flash, and it will not affect your vehicle's warranty.

Show original supplier description

The BMW M Performance Power Kit offers a significant performance upgrade for your compatible BMW vehicle through an official software update. This genuine BMW M Performance part is designed to unlock additional power and torque, delivering an estimated increase of 20 horsepower and 32 ft-lb of torque. In addition to raw power gains, the kit also refines throttle response with sharper accelerator calibration, providing a more engaging driving experience. Installation of this power kit involves a visit to your authorized BMW dealer, who will perform an ECU flash to implement the software. The kit includes the necessary FSC (File Server Code) for the dealer, along with a "M Performance" badge and decals to signify the upgrade. This power kit is precisely engineered for specific BMW models, including the F15 X5 and F16 X6, equipped with the N55 3.0L engine. It is confirmed to fit variants such as the X5 sDrive35i and xDrive35i, and the X6 sDrive35i and xDrive35i across various model years within the F15 and F16 chassis generation. Compatibility is strictly limited to these models and engine configurations; it does not fit other BMW series like the X3 or 5-series, even if they share similar engines, as confirmed by customer inquiries. Ensure your vehicle's chassis and engine match the specified fitment to guarantee proper installation and performance.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

Brand	BMW
Part Number	11122344610
Category	Ignitions and Electrical

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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