Close sign-in windowForgot your password?Sign in to BiMatrixEnter the email address you used to sign in.Your BiMatrix account.Password recovery is not available yet.Account sign-in is not available yet.Emailyou@example.comPasswordEnter your passwordHide passwordShow passwordReset passwordSign inBack to sign-inBrakingAccelerator pressedAccelerator releasedBMW E92 Shadow Line facing right — the signal source for BiMatrixToyota Supra MkIV facing right — a car with an analogue ECU1969 Dodge Charger facing right — a classic carburetted muscle carModern ECUAnalogue ECUCarburettorRPMEngine speedTPSAcceleratorBRAKEBrakeTORQUETorqueSignal demonstration/ ResumePausePressedReleasedrpm%N·mCalculated by BiMatrix01 · SIGNAL SOURCEYour carEngine and control signals — over CAN.Sensors + an external RPM pulse source.ECU and sensor signals — through individual inputs.CANInputsBiMatrix Mini — black controller with a green indicator, rendered without a background02 · RECEIVES AND PROCESSESBiMatrix MiniCollects signals and creates data the gearbox understands.Maps X/Y fill in missing dataEngine speed × load → torque calculationCAN FOR 8HPBMW ZF 8HP70 automatic gearbox03 · RECEIVES THE DATA IT NEEDSZF 8HP45/70/75/*Engine speed, accelerator, brake and torque — in messages that control the gearbox.Data for the gearboxHOW IT CONNECTSYour car. BiMatrix.A new character with 8HP.The car supplies the signals.BiMatrix translates them into the gearbox's language.Engine control typeAll essential signals arrive over CAN.Signals arrive through BiMatrix inputs. Maps supply the torque data.No ECU needed: sensors supply the signals, and an external pulse source supplies RPM.No target / actual torqueTorque from Maps X/YMissing torque data? BiMatrix calculates it using maps.Even if the ECU does not transmit all torque data.Maps X/Y can estimate target and actual torque from engine speed and load. This calculated estimate must be tuned to the engine.Minimum signals required to run the gearbox:— engine speed— accelerator pedal position— brake signalCLT— coolant temperatureThe diagram shows the data flow. Power, selector and pin assignments are covered in the manual.More about wiring* Gearbox firmware files are not part of the BiMatrix Mini product.App video controlsPause videoPlay videoVideo position%1% of %2%Exit full screenFull screen — expand to fill the screenExitFull ScreenBIMATRIX APPEverything under control.Always at handView data, adjust settings.On a large screen or right in your car.A laptop and a phone in landscape orientation running the BiMatrix app.Pause video on the laptop screenPlay video on the laptop screenBiMatrix— □ ×Resume watchingWatch videoEnlarge video on the phone screenBiMatrix interface · Wi-Fi / BLE· Loading video…Could not load the video.RetryBiMatrix AppApp interface video demonstrationClose app videoBiMatrix app video demonstration2 × CAN 2.0BTwo CAN interfaces for communicating with the car and gearbox.4 analogue inputs · 0–5 VFor pressure and temperature sensors, potentiometers and other signal sources.4 AUX / PWM outputsControl relays, fans and solenoids by switching to ground — using configurable X/Y maps.1 DIG digital inputRead PWM, frequency and logical state 0/1.Gearbox reflashingChange the gearbox software: Diesel ↔ Gas.Gearbox resetPrepare a used gearbox for installation in your car.Calibration changesOEM+ / STAGE 2 / STAGE 3 / CUSTOM.CodingConfigure NIC, Launch and other gearbox functions.Shift pointsTune gear changes to your engine and driving style.Second-gear startStart in 2nd gear in D and S modes.Connectionand controlPreparing thegearboxShiftcharacterBIMATRIX MINI FEATURESYour setup. Your rules.*info@bimatrix.eeBiMatrix MiniFeaturesCompatibilityManualHello! I'd like to discuss an 8HP project with BiMatrix Mini and find out the kit price.
Car / year:
Engine / ECU:
Gearbox / donor: I need help choosing an 8HP
Selector / transfer case: To be confirmed
Please advise on compatibility, kit contents, price and delivery terms.BiMatrix Mini — my projectSkip to featuresBiMatrix — homeBIMATRIX — Device controllersMain navigationAccount sign-inSign inBiMatrix community on FacebookFacebook communityClose menuOpen menuMobile navigationThe 8HP driveWith Your favourite car. New character with a great automatic gearbox.BiMatrix Mini connects the gearbox, engine and controls into one system.Order Watch it in actionUser manualA familiar car. A whole new feeling.BIMATRIX MINI8HP GEARBOX CONTROLLERKey benefits of BiMatrix MiniGearboxes andTransfer casesBMW gearboxes8HP45/70ATC3008HP50/75ATC7008HP51/76ATC450/45L* ATC35L and ATC45L — when used with the ECU from an ATC450 E70 LCI.AppWirelesssetupApp platformsAndroidiOSWindowsConnect to BiMatrixWireless connectionWi-FiBLE8HP TunerGearboxfirmwarePreparation for installationShift point adjustmentLaunch in 2nd gearFirmware profilesOEM+Stage2Stage3BMW M5 E60 Titan Silver on a closed track in tyre smoke — visual conceptBUILT IN THE GARAGE. FELT ON THE TRACK.For that veryfirst launch.Some cars are too special to let go.You just want to make them even more exciting.Successful projects Visual conceptTHE NEXT STEP IS YOURSI'm ready!Place an order BiMatrix Mini for your next 8HP project.USER MANUALBiMatrix Mini manualWiring, setup and first start.Open the manual Independent development and trademarksEngineering the drive.© 2026 BiMatrixClose configuration enquiryYOUR 8HP SETUPLet's start with your car.Tell us about your car. If you haven't chosen a gearbox yet, we'll help. We'll prepare an email asking about compatibility and kit pricing.Car and yearFor example, BMW E36, 1997Engine and ECUFor example, M57 / DDEGearbox and donor carif already selectedFor example, 8HP70 from an F10Selector and transfer caseoptionalEnter the models if already selectedPrepare email Your email app will open. You can send the email yourself to.Your enquiry is ready. If your email app didn't open,try againor copy the text.CopiedCopy enquiryShow enquiry textBiMatrix in actionVideo from the official BiMatrix websiteClose videoBiMatrix — official videoOpen on YouTube BiMatrix Mini: black enclosure and connector, with a green triangular indicator3D model of BiMatrix Mini. Drag to rotate. Left and right arrow keys rotate the model; Home restores the initial view.Black selector mount: two BiMatrix Mini mounting options — side and front. The connector faces up and the indicator glows green.FREE 3D MODELSelector and BiMatrix.One mount.A BMW F10 Sport selector holder with a BiMatrix Mini mount. Download the model and print the part for your project.SELECTORBMW F10 SportBIMATRIX MOUNT4 positionsModel on ThingiverseFree access to 3D printing filesFind an adapter plate for your engine and a BMW ZF 8HP.Choose an 8HP that fits the selected adapter plate.Find the selector for your chosen 8HP.Build a gearbox cooling system.Build the wiring connecting the 8HP, selector, engine ECU and BiMatrix Mini.Connect and configure BiMatrix Mini according to the manual.Enjoy your car's new character.SWITCHING TO 8HPA solidplan.From choosing the parts to discovering your car's new character.steps completedCompleted stepsSTARTFINISHGO — start the raceGOThe race has started.Finish! Complete the checklist to start another race.Open the BiMatrix Mini manualCloseBiMatrix independently develops automotive electronics and software. BiMatrix is not part of the BMW or ZF groups, nor is it their affiliate,official representative or partner. References to BMW and ZF on this website do not imply their involvement in developing BiMatrix products,or their approval or certification of those products.BMW, ZF and other trademarks mentioned belong to their respective owners. Names of companies, cars,transmissions and components are used to identify equipment, describe product purposes and indicate compatibility.BiMatrix development is based on independent research into equipment, its operating principles and data interfaces through reverse engineering.Software, algorithms, protocol descriptions and documentation may contain errors or inaccuracies.Compatibility and correct operation must be verified for each specific hardware and software configuration.This notice does not change the stated product specifications, restrict mandatory consumer rights, or exclude or limit liability wheredoing so is prohibited by applicable law.Site languageChoose languageHomeCatalogueProjectsContactDownload the appOrderSearchOpen submenuTotal costCost excluding VATTotal discountDiscount excluding VATVATCartSend messageBack to homeTell us about your project — we'll help check compatibility and choose your BiMatrix Mini kit.To order BiMatrix Mini, send us your car model, engine and chosen 8HP gearbox. We'll confirm the kit, price and delivery.Find BiMatrix owners' projects and experiences in our community.App installation and connection to BiMatrix Mini are covered in the manual for your platform.Open communityBiMatrix MiniController for BMW 8HP conversionsReceive CAN, analog and digital signals, process them with maps and rules, and control supported BMW 8HP transmissions and auxiliary devices.OverviewFeaturesInputs and outputsProduct views3D viewImagesDrag to rotate. Use ←/→ keys; Home resets the view.Reset viewConnector viewLoading 3D model…3D view could not be loaded.Open manualCheck gearbox compatibility and wiring before installation.Built-in BMW 8HP controlChoose a supported BMW gearbox version and assign its input signals. The module generates the required CAN messages.Configurable CAN communicationRead signals from other modules, scale values and build CAN messages with configurable transmission conditions.Maps and signal processingConvert sensor readings and combine signals in maps for gearbox inputs, CAN messages and AUX control.Live data and diagnosticsMonitor CAN traffic and live values, read gearbox information and fault codes, and export live data to CSV.CAN buses2 × CAN, fixed 500 kbit/sAnalog inputs4 × 0–5 VDigital inputsDIG1: 5–12 V ignition input. DIG2: digital state, frequency and PWM duty measurement.AUX / PWM outputs4 low-side outputs switching to ground; PWM duty 0–100%.Main supply+12 V; GNDSensor supply+5 V outputIgnition output+12 V logic control onlyApp connectionBLE or Wi-Fi, depending on installed firmwareConnector18 pinsCompatibilityThe built-in 8HP module supports selected BMW transmission versions. An 8HP transmission from another brand is not automatically compatible.BiMatrix Mini with black housing and green indicatorBiMatrix Mini 18-pin connector viewed from the mating-plug sideThree-dimensional model of BiMatrix MiniAdd to cartSellerUnit priceShopping cartCheckoutContinue shoppingProductQuantityRemoveUpdate cartSubtotal excluding VATVATTotal including VATExcluding VATIncluding VATDeliveryDelivery countrySelect a countryDelivery methodDelivery optionTotal with deliveryContact detailsFirst nameLast nameEmailPhoneDelivery addressCountryCityStreet addressPostal codeOrder as a companyCompany nameRegistration numberCompany detailsOrder notesPayment methodPlace orderRequired fieldsOrderDownload invoice PDFCustomerOrder dateDue dateOrder messagesNew messageSendDiscount including VATVAT rateDelivery is unavailable for this selectionLoading delivery options…Could not load delivery options. Please try again.Try againI agree to the terms of saleYour shopping cart is emptyDelivery is calculated at checkout.Open imageBack to imagesDPDSmartPostiStandard deliveryStandard delivery covers the listed destinations; island and remote-area delivery is quoted separately.Delivery is charged separately for each unit.Contact us for a delivery quote for this destination.Delivery to this destination is currently unavailable.Contact usAlbaniaAndorraArmeniaAustriaAzerbaijanBelarusBelgiumBosnia & HerzegovinaBulgariaCroatiaCyprusCzechiaDenmarkEstoniaFinlandFranceGeorgiaGermanyGreeceHungaryIcelandIrelandItalyKazakhstanKosovoLatviaLiechtensteinLithuaniaLuxembourgMaltaMoldovaMonacoMontenegroNetherlandsNorth MacedoniaNorwayPolandPortugalRomaniaRussiaSan MarinoSerbiaSlovakiaSloveniaSpainSwedenSwitzerlandTürkiyeUkraineUnited KingdomVatican CityI confirm the order details and total.Made to orderMade to order. Dispatch in 1–2 weeks.Maximum quantity per order: {quantity}.BuyDispatch in 1–2 weeksVAT numberCheck VAT numberChecking VAT number…VAT number verified.VAT number could not be verified. Check it or continue with VAT.The VAT validation service is unavailable. Try again or continue with VAT.0% VAT: intra-Community supply.VAT 24% applies.For an EU company outside Estonia, enter its VAT number. Eligibility depends on validation and delivery country.Continue with VATVAT number and delivery country must match.VAT 0% — intra-Community supply under Article 138 of Council Directive 2006/112/EC.Company verified by VIESThe order total has changed. Please review it before placing the order.The company name does not match the VAT registration. Check the company details.Seller VAT numberBuyer VAT numberI confirm that this VAT number belongs to the company placing the order.Please check the VAT details and confirm the updated total before placing your order.Check the delivery postcode.
Skip to features
CompatibilityGearboxes and
Transfer cases
| BMW gearboxes | Transfer cases |
|---|
| 8HP45/70 | ATC300 |
| 8HP50/75 | ATC700 |
| 8HP51/76 | ATC450/45L* |
* ATC35L and ATC45L — when used with the ECU from an ATC450 E70 LCI.
8HP TunerGearbox
firmware*
- Preparation for installation
- Shift point adjustment
- Coding
- Launch in 2nd gear
* Gearbox firmware files are not part of the BiMatrix Mini product.
BIMATRIX APPEverything under control.
Always at hand
View data, adjust settings.
On a large screen or right in your car.
BiMatrix interface · Wi-Fi / BLE
BIMATRIX MINI FEATURESYour setup. Your rules.
Connection
and control
2 × CAN 2.0B
Two CAN interfaces for communicating with the car and gearbox.
4 analogue inputs · 0–5 V
For pressure and temperature sensors, potentiometers and other signal sources.
4 AUX / PWM outputs
Control relays, fans and solenoids by switching to ground — using configurable X/Y maps.
1 DIG digital input
Read PWM, frequency and logical state 0/1.
Preparing the
gearbox
Gearbox reflashing*
Change the gearbox software: Diesel ↔ Gas.
Gearbox reset
Prepare a used gearbox for installation in your car.
Coding
Configure NIC, Launch and other gearbox functions.
* Gearbox firmware files are not part of the BiMatrix Mini product.
Shift
character
Calibration changes*
OEM+ / STAGE 2 / STAGE 3 / CUSTOM.
Shift points
Tune gear changes to your engine and driving style.
Second-gear start
Start in 2nd gear in D and S modes.
* Gearbox firmware files are not part of the BiMatrix Mini product.
