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CarBahn

CarBahn 406 HP Stage 1 ECU Software | BMW M240i/340i/440i/540i/640i/740i B58

CarBahn 406 HP Stage 1 ECU Software | BMW M240i/340i/440i/540i/640i/740i B58

Regular price $895.00 USD
Regular price Sale price $895.00 USD
Sale Sold out
Shipping calculated at checkout.

SKU:CBB58-0001

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  • Fitment help from our shop
  • 30-day returns on most unused parts

Shipping & returns · Warranty · Ask about fitment

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Product Details

About this part

Calculated Flywheel Power:

OEM Stock:  345HP / 355TQ
Tuned 93 Octane:    406HP / 388TQ

Measured Wheel Power:

OEM Stock   304WHP / 312WTQ
Tuned 93 Octane:   357WHP / 342WTQ

  • Top Speed Governor Removed
Fitment

Not sure it fits? Contact us with your car's year, model and VIN and we'll help you confirm before you order.

If a part doesn't fit as expected, contact us and we'll work with you to resolve it.

Majority of products have a fitment section in the product description or within the title.

Returns
  • Unused, uninstalled parts can be returned or exchanged within 30 days of the order date.
  • To start a return: Contact us first, don't use Return to Sender.
  • Returns can have up to a 20% restocking fee.
  • Built-to-order and special-order items can't be returned or cancelled once production begins.

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Shipping
  • Orders are processed 7 days a week to ensure your product ships as quickly as possible.
  • Inspect parts within 10 days of delivery, and reach out regarding any damage or missing pieces.

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See our Tariff Policy

Warranty
  • All parts retain the manufacturer's warranty.
  • Warranty claims are subject to the manufacturer's approval.

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