bootmod3 REV2 Coolant Pressure Sensor Kit | For B58, S58

Pro Tuning Freaks have been working tirelessly since late 2015 to create a truly unique cloud based performance flash tuning platform offering benefits both end users and tuners in ways prior unimaginable! bootmod3 is a full custom tuning platform for the factory engine computer (DME) available for Windows, macOS and mobile apps for iOS and Android. Users can change their tunes through the OBD port in their own driveway using the web or mobile apps taking just seconds to do so.
$299.00
FREE Shipping on Orders Over $1,000*
Wholesale Pricing Available – Contact Us
Local Warranty & Support
Collection or Installation – Moorabbin VIC

Product Information

COOLANT PRESSURE MONITORING FOR YOUR REV2 SETUP


The bootmod3 REV2 Coolant Pressure Sensor Kit adds coolant-pressure monitoring to compatible BMW B58 and S58 engines. Designed for high-power applications, it allows your tuner to configure protective responses to excessive coolant pressure, which can indicate head lifting or a head-gasket issue.

The fitting connects directly to the factory coolant lines without cutting or modifying them, providing a straightforward installation.

A bootmod3 REV2 Controller and supported CustomROM V2 software are required for full functionality.


WHAT’S INCLUDED?


The kit includes the fitting and mounting components needed to add a coolant-pressure monitoring point to compatible BMW B58 and S58 engines. An optional pressure sensor and harness connect the fitting to your REV2 Controller.

INCLUDED COMPONENTS

  • CNC-machined 6061 aluminium coolant-pressure sensor fitting
  • Viton O-ring
  • Metal retaining clip for factory mounting

OPTIONAL SENSOR & HARNESS

  • 10 bar / 150 psi absolute-pressure sensor
  • Plug-and-play sub-harness for the REV2 CP input connector


INTEGRATED FAIL-SAFE PROTECTION


When connected to REV2, the sensor sends real-time coolant-pressure voltage data to the factory DME over FlexRay. Your tuner can configure a maximum pressure threshold and responses such as disabling boost, nitrous, port injection or direct injection when that threshold is exceeded.

These functions can help reduce the risk of severe engine damage. Their operation depends on correct installation, sensor calibration and the fail-safe settings configured in your tune.



COMPATIBILITY & INSTALLATION


Designed for compatible B58 and S58 coolant connections. Full monitoring and configured protection require a REV2 Controller, supported CustomROM V2 software and correct calibration. These are supplied separately.

Contact SouthernBM to confirm your vehicle and existing hardware before ordering.


Models
  • 2 Series
    • G42 (2021+): M240i / M240i xDrive
    • G87 M2 (2022+): All models
  • 3 Series
    • G20 / G21 (2019+): M340i / M340i xDrive
    • G80 / G81 M3 (2021+): All models
  • 4 Series
    • G22 / G23 / G26 (2020+): M440i / M440i xDrive
    • G82 / G83 M4 (2021+): All models
  • X3 Series
    • F97 X3M (2019+): All models
  • X4 Series
    • F98 X4M (2019+): All models

Be the first to write a review

Thanks for submitting your review!
Please note, all reviews must be approved before they are published.
Your Rating
First Name
Last Name
Email Address
Keep me updated with news and exclusive offers
Location
Review Title
Review Comment
Submit Review
FREE Shipping on Orders Over $1,000*
Local Warranty & Support
30-Day Money Back Guarantee
100% Secure Checkout
Watch the video

Stay up to date

You've just been sent an email to confirm your email address. Please click on the link in this email to complete your subscription.
Subscribe

We respect your privacy − read our policy.

© 2026 SouthernBM. All Rights Reserved.

Please sign in

Email Address
Password
Log In Forgot your password?
Don't have an account? Register

Stay up to date

You've just been sent an email to confirm your email address. Please click on the link in this email to complete your subscription.
First Name
Last Name
Email Address
Subscribe

We respect your privacy − read our policy.

Stock Availability

In Stock Items marked GREEN or 'In Stock' are currently in stock at SouthernBM. Most orders are shipped within 1-2 business days. ‘Click & Collect’ orders are usually ready within 1-2 hours during normal trading hours.
Available to Order Items marked YELLOW or ‘Available To Order’ are not currently in stock at SouthernBM, and need to be ordered in from the supplier. Please note the expected delivery time before placing an order.
No Longer Available Items marked RED or ‘No Longer Available’ have been discontinued and are no longer available to be ordered. Please contact us for an alternative.
All orders are dispatched from our Melbourne warehouse. Most orders are delivered within 1-3 business days Australia-wide after dispatch. The expected delivery time on all 'Available To Order' items is only an estimate and wait times may vary from those provided. Please contact us if you have any questions.

All items listed on our website are not available for in store pick up without prior purchase. Please use the ‘Click & Collect’ option at checkout and we will let you know as soon as your order is ready.

Make a booking

Thanks! We've received your request. We will be in touch within 1 business day to confirm your booking. If you do not see the email in this time, please check your JUNK/SPAM folder.
Preferred Date
Drop Off Time
Vehicle
Registration #
First Name
Last Name
Email Address
Keep me updated with news and exclusive offers
Phone
Referral Code (Optional) If you've been given a referral code through one of our events, partners, or social media collaborators, please enter it here. This field is optional and is not required to complete your booking.
How can we help?
Send Request