675 HP Stage 1 Power Package | BMW M3/M4 Manual Transmissions

Regular price $2,645.00
Regular price $2,939.00 Sale Sale price $2,645.00
Quality Content

Comp RWD

93 Octane

Calculated Flywheel Power Measured Wheel Power
Stock 528 HP / 476 TQ 465 WHP / 419 WTQ
Tuned 661 HP / 602 TQ 582 WHP / 530 WTQ
Performance Gain +133 HP / +126 TQ +117 WHP / +111 WTQ

100 Octane

Calculated Flywheel Power Measured Wheel Power
Tuned 675 HP / 696 TQ 594 WHP / 533 WTQ
Performance Gain +147 HP / +130 TQ +129 WHP / +114 WTQ
  • *This can ONLY be installed at an Authorized CarBahn dealer!
  • St 1 Power package includes ST2 software, Heat Exchanger, CarBahn HP air filters
  • Fits Manual Transmission equipped models only!
  • Top Speed Governor removed.
  • CarBahn EVO Intelligent software adapts to various fuel octane levels seamlessly, optimizing performance without compromising safety. It retains existing safety features and adds extra protection as needed.
  • This software was developed with our heat exchanger installed to achieve the claimed power output and it is required for our matching factory warranty!
Quality Content

We try to keep all the products that are listed our site in stock, with short lead times, but with so many product offerings, it's not always possible to do so.

Products are kept in stock with our vendors, distributors, or partnered warehouses.

Please note: some products are custom made. For these products, check product description for lead times.

To check item stock or lead time please contact our support staff.

Orders are processed within 1-5 business days after order placement. Business days are Monday-Friday.

Most orders are delivered within 7-10 business days of order shipment.

Please note: some products are made to order or have longer lead / shipping times. Review product description for this information.

If product is out of stock or has longer lead time we will notify you.

To review fitment, check the fitment tab on the product description.

If you're still unsure, please contact our support staff.