Tangent Motorsport

ABS ECU Repair

Skoda Octavia/Laura 1Z(2009 Facelift L&K). It had an ABS issue. Skoda service made a bill of upwards of 1lac(1400$) just to replace the ABS unit. I was never […]

Car Repairs

BOSCH EDC15 MapSwitch

So for years tuners have tried various different techniques to have multiple tunes in one ECU. There are several advantages to this: Multiple tunes with different output power levels […]

reverse engineering

Audi Q5 0B5 DL501 DSG repairs

Audi had quoted upwards of 6lac(8000$) to replace the gearbox. The first thing we did after purchasing it was to get the mechatronic unit out and fully disassembled: […]

Car Repairs

Ferrari MED17.3.5

Mapswitch on Ferrari 488 MED17.3.5 using cruise control buttons[…]

Mapswitch/Multimap

Porsche 911 992 MG1 Aurix Multimap!

World's first! Porsche 911 Carrera 3.0/3.8 custom code including map-switch and rolling LC now available, here's a video:[…]

reverse engineering

Simos18 mapswitch

Switch maps with any combination such as Brake + accelerator pedal control or brake + cruise control set. Here, Check out the video below:[…]

Mapswitch/Multimap

ECU hacking classes

We get a lot of emails requesting classes on hacking ECU's to modify code and add custom functionality. After some deliberation we decided to organise[…]

reverse engineering

Mclaren 720s multimap

Switch upto 9 map sets of unlimited number of maps(flash storage is the only limit!), Here's a video here showing how it works[…]

Mapswitch/Multimap

Mclaren 650S Multimap

Another world first! Mclaren 650 custom code including mapswitch and rolling LC now available, here’s a video showing how it works:[…]

reverse engineering

BMW S55 multimap

Made mapswitch for MEVD17 ECUs found in BMW. Stay tuned for features on F90 ! TC29x is a pain but making huge headway into the new[…]

Mapswitch/Multimap

Mercedes MED1775 multimap

So a first for us here at Tangent and worldwide! Great car to have multiple modes on. Maps are switched with Acc pedal + brake. A video here showing[…]

Mapswitch/Multimap

EGS52 CAN message reversing

So a tuner and long time map switch partner asked us if we could reverse the CAN messages and modify the message bytes […]

reverse engineering

Nitrous/water meth control using stock ECU

We were recently asked to add a set of port injectors and nitrous in an engine with full control over it. So we[…]

reverse engineering

AC Compressor repair

Last year the Air-con on my Skoda Octavia(2002 1U) started behaving erratically. Did some basic diagnosis (pressure check in […]

Car Repairs

Audi RS3 MED17.1.62 Mapswitch

On this engine there are a lot of maps for timing control. I have developed a solution to switch all the maps(84!)[…]

Mapswitch/Multimap

Mercedes EDC15C Mapswitch

With this ECU, I have implemented mapswitch on all EDC15 ECUs released in the market by Bosch! This version has[…]

Mapswitch/Multimap

EDC15 Scrambling

A lot of tuners work hard on the dyno to make tunes, only to be copied by rivals. I have come up with a solution to protect the maps by scrambling them[…]

reverse engineering

EEPROM fun

I had to program a legacy EEPROM on a Mercedes EDC15 ECU. I had a choice: to buy a reliable tool to read/write the E2P(3SP08/95SP08) or make my own by[…]

Car Repairs

Live-tune for E85 blend

A tuner contacted me to make a special version of map switching. Basically they needed a way to adjust KRKATE for varying alcohol content[…]

Mapswitch/Multimap

TDI Swap!

Jan of 2019, I was contacted by a offroad racing team. These guys had been using old mechanical pump Mahindra engines in their builds. They were bothered[…]

Car Repairs

Climatronic Retrofit

So we’d originally done this project 8 years ago, on our older Skoda Octavia. It was time to do it on the newer one now. Too analog, gotta add some electronics to this[…]

Car Repairs

MEDC17 UDS Flashing Exploit

Just finished writing the backbone of my flashtool last week. Can flash any MEDC17(presently only UDS based). Here’s a snippet […]

reverse engineering

ABS ECU Repair

Skoda Octavia/Laura 1Z(2009 Facelift L&K). It had an ABS issue. Skoda service made a bill of upwards of 1lac(1400$) just to replace the ABS unit. I was never […]

Car Repairs

BOSCH EDC15 MapSwitch

So for years tuners have tried various different techniques to have multiple tunes in one ECU. There are several advantages to this: Multiple tunes with different output power levels […]

reverse engineering

Audi Q5 0B5 DL501 DSG repairs

Audi had quoted upwards of 6lac(8000$) to replace the gearbox. The first thing we did after purchasing it was to get the mechatronic unit out and fully disassembled: […]

Car Repairs

Ferrari MED17.3.5

Mapswitch on Ferrari 488 MED17.3.5 using cruise control buttons[…]

Mapswitch/Multimap

Porsche 911 992 MG1 Aurix Multimap!

World's first! Porsche 911 Carrera 3.0/3.8 custom code including map-switch and rolling LC now available, here's a video:[…]

reverse engineering

Simos18 mapswitch

Switch maps with any combination such as Brake + accelerator pedal control or brake + cruise control set. Here, Check out the video below:[…]

Mapswitch/Multimap

ECU hacking classes

We get a lot of emails requesting classes on hacking ECU's to modify code and add custom functionality. After some deliberation we decided to organise[…]

reverse engineering

Mclaren 720s multimap

Switch upto 9 map sets of unlimited number of maps(flash storage is the only limit!), Here's a video here showing how it works[…]

Mapswitch/Multimap

Mclaren 650S Multimap

Another world first! Mclaren 650 custom code including mapswitch and rolling LC now available, here’s a video showing how it works:[…]

reverse engineering

BMW S55 multimap

Made mapswitch for MEVD17 ECUs found in BMW. Stay tuned for features on F90 ! TC29x is a pain but making huge headway into the new[…]

Mapswitch/Multimap

Mercedes MED1775 multimap

So a first for us here at Tangent and worldwide! Great car to have multiple modes on. Maps are switched with Acc pedal + brake. A video here showing[…]

Mapswitch/Multimap

EGS52 CAN message reversing

So a tuner and long time map switch partner asked us if we could reverse the CAN messages and modify the message bytes […]

reverse engineering

Nitrous/water meth control using stock ECU

We were recently asked to add a set of port injectors and nitrous in an engine with full control over it. So we[…]

reverse engineering

AC Compressor repair

Last year the Air-con on my Skoda Octavia(2002 1U) started behaving erratically. Did some basic diagnosis (pressure check in […]

Car Repairs

Audi RS3 MED17.1.62 Mapswitch

On this engine there are a lot of maps for timing control. I have developed a solution to switch all the maps(84!)[…]

Mapswitch/Multimap

Mercedes EDC15C Mapswitch

With this ECU, I have implemented mapswitch on all EDC15 ECUs released in the market by Bosch! This version has[…]

Mapswitch/Multimap

EDC15 Scrambling

A lot of tuners work hard on the dyno to make tunes, only to be copied by rivals. I have come up with a solution to protect the maps by scrambling them[…]

reverse engineering

EEPROM fun

I had to program a legacy EEPROM on a Mercedes EDC15 ECU. I had a choice: to buy a reliable tool to read/write the E2P(3SP08/95SP08) or make my own by[…]

Car Repairs

Live-tune for E85 blend

A tuner contacted me to make a special version of map switching. Basically they needed a way to adjust KRKATE for varying alcohol content[…]

Mapswitch/Multimap

TDI Swap!

Jan of 2019, I was contacted by a offroad racing team. These guys had been using old mechanical pump Mahindra engines in their builds. They were bothered[…]

Car Repairs

Climatronic Retrofit

So we’d originally done this project 8 years ago, on our older Skoda Octavia. It was time to do it on the newer one now. Too analog, gotta add some electronics to this[…]

Car Repairs

MEDC17 UDS Flashing Exploit

Just finished writing the backbone of my flashtool last week. Can flash any MEDC17(presently only UDS based). Here’s a snippet […]

reverse engineering

ABS ECU Repair

Skoda Octavia/Laura 1Z(2009 Facelift L&K). It had an ABS issue. Skoda service made a bill of upwards of 1lac(1400$) just to replace the ABS unit. I was never […]

Car Repairs

BOSCH EDC15 MapSwitch

So for years tuners have tried various different techniques to have multiple tunes in one ECU. There are several advantages to this: Multiple tunes with different output power levels […]

reverse engineering

Audi Q5 0B5 DL501 DSG repairs

Audi had quoted upwards of 6lac(8000$) to replace the gearbox. The first thing we did after purchasing it was to get the mechatronic unit out and fully disassembled: […]

Car Repairs

Ferrari 488

Porsche 992

Audi RS5

AUTOMATED MAPSWITCH TOOL

MED 17

MG1

ME 17

SIMOS 18

EDC 15

MED 9

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AUTOMATED MAPSWITCH PRICING

SIMOS18.1

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MG1CP007

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ME17.8.33

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