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Link Engine Management Ltd

Founded 1991Christchurch, New Zealand

Link Engine Management designs and builds standalone and plug-in engine control units in Christchurch, New Zealand, and sells them through more than 700 dealers and tuners in about 90 countries. It is known for the G4+/G4X/G5 ECU ranges, its free PCLink tuning software and its Extended Lifetime Warranty.

History

  1. 1991Company founded in Christchurch, NZ, by a group of engineers (Link's 'Our Story' page; a Wikipedia-derived page gives 1992)
  2. 1995LEM ECU introduced, replacing the earlier EMX and its 'Smart Lead' (Wikipedia-derived history)
  3. 1997PossumLink plug-in ECU for Subaru Impreza WRX developed with Possum Bourne Motorsport (Wikipedia-derived history)
  4. 2001LinkPlus introduced; PCLink PC tuning software released (Wikipedia-derived history)
  5. 2008G3 range replaced by G4 (LEM became G4 Storm, LinkPlus became G4 Xtreme) (Wikipedia-derived history)
  6. 2013G4+ generation: first PCLink G4+ release (V5.0.1) on 27 Sep 2013
  7. 2019G4X generation: first PCLink G4X release (V6.15.15) on 10 Dec 2019
  8. 2023G5 (Voodoo) generation: first G5 PCLink release (V7.1.21) on 6 Sep 2023
  9. 2025Finalist, NZ Hi-Tech Awards and NZ International Business Awards (also finalist in earlier years)
  10. 2026Sales/support offices listed in NZ, Australia (Brisbane), UK (Liverpool), EU, and USA (Troy, Michigan)

Contact

Address
45 Ron Guthrey Road, Avonhead, Christchurch 8024, New Zealand
Phone
Sales +64 (0)3 348 8854; Tech +64 (0)3 668 5120
Email
sales@linkecu.com
Website
linkecu.com
Contact
Contact page ↗

Tuning software

Current
PCLink 7.8.2 (released 29 April 2026) for G5 and G4X ECUs
Cost
Free ('completely FREE' per Link). Windows only; no Windows ARM support.
Download
Official download page ↗
Old versions
Official archive ↗

Software history

  1. 2001PCLink (original) · Released with LinkPlus (Wikipedia-derived); legacy G1-G3 builds V2.5 and V3.40 still on the archive
  2. 2009PCLink G4 V4.x · Earliest archived G4 build V4.4.3 dated 3 Sep 2009; last V4.10.2 on 24 Jun 2014
  3. 2013PCLink G4+ V5.x · V5.0.1 on 27 Sep 2013 through V5.6.6 (2019)
  4. 2019PCLink G4X V6.x · V6.15.15 on 10 Dec 2019; G4X releases continued as 6.x through 6.23.15 (Sep 2022)
  5. 2023PCLink 7.x (G5 and G4X) · Unified 7.x line from V7.1.21 (6 Sep 2023); bundles G5 7.x and G4X 6.x firmware
  6. 2026PCLink 7.8.2 · Current release, 29 Apr 2026; English, Japanese, Spanish, French and Chinese builds

Links go to the maker's own download pages. Installers are not hosted here.

Link ECUs

51 current, 1 discontinued · 127 model-specific plug-in fitments. Cheapest first.

Pixel illustration of the Link G4X AtomX
Link
EntryWire-in

G4X AtomX

US$995
4INJ
4IGN
0DBW
0λ WB
4MAX CYL
1KNOCK
1CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link G4X MonsoonX
Link
EntryWire-in

G4X MonsoonX

US$1,245
4INJ
4IGN
0DBW
0λ WB
4MAX CYL
1KNOCK
1CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link MX5NB2X (Mazda MX-5 NB2)
Link
MidPlug-in

MX5NB2X (Mazda MX-5 NB2)

US$1,675
7INJ
8IGN
1DBW
0λ WB
–MAX CYL
1KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link MX5NB1X (Mazda MX-5 NB1)
Link
MidPlug-in

MX5NB1X (Mazda MX-5 NB1)

US$1,675
8INJ
6IGN
1DBW
0λ WB
–MAX CYL
1KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link S2000X (Honda S2000 AP1)
Link
MidPlug-in

S2000X (Honda S2000 AP1)

US$1,735
8INJ
8IGN
1DBW
0λ WB
–MAX CYL
1KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link K20X (Honda DC5/RSX K20)
Link
MidPlug-in

K20X (Honda DC5/RSX K20)

US$1,735
8INJ
8IGN
1DBW
0λ WB
–MAX CYL
1KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link E36X (BMW E36 M50TUB25)
Link
MidPlug-in

E36X (BMW E36 M50TUB25)

US$1,810
6INJ
8IGN
0DBW
0λ WB
–MAX CYL
2KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link HVLCX (Holden VL RB30)
Link
MidPlug-in

HVLCX (Holden VL RB30)

US$1,933
6INJ
6IGN
0DBW
0λ WB
–MAX CYL
1KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link G4X StormX
Link
MidWire-in

G4X StormX

US$1,995
8INJ
8IGN
0DBW
0λ WB
8MAX CYL
2KNOCK
1CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link G4X Plug-in range (X-series)
Link
MidPlug-in

G4X Plug-in range (X-series)

from US$1,995
–INJ
–IGN
–DBW
–λ WB
–MAX CYL
–KNOCK
–CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link N300X (Nissan 300ZX Z32)
Link
MidPlug-in

N300X (Nissan 300ZX Z32)

US$1,995
8INJ
8IGN
0DBW
0λ WB
–MAX CYL
1KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link G4X XtremeX
Link
ProWire-in

G4X XtremeX

US$2,195
8INJ
8IGN
1DBW
0λ WB
8MAX CYL
2KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link G4X FuryX
Link
ProWire-in

G4X FuryX

US$2,195
8INJ
6IGN
1DBW
1λ WB
6MAX CYL
2KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link WRX11X (Subaru WRX V11)
Link
MidPlug-in

WRX11X (Subaru WRX V11)

US$2,275
7INJ
7IGN
1DBW
0λ WB
–MAX CYL
2KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link G5 Voodoo Neo 4
Link
ProWire-in

G5 Voodoo Neo 4

US$2,915
8INJ
6IGN
1DBW
1λ WB
6MAX CYL
2KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link G5 Voodoo Neo 6
Link
ProWire-in

G5 Voodoo Neo 6

US$3,255
12INJ
8IGN
1DBW
1λ WB
8MAX CYL
2KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link G5 Voodoo Pro
Link
MotorsportWire-in

G5 Voodoo Pro

US$4,065
16INJ
12IGN
1DBW
2λ WB
12MAX CYL
2KNOCK
2CAN
✓LOG
FlexTractionLaunchBoostGearboxEthernet
Pixel illustration of the Link G4X ThunderX
Link
MotorsportWire-inDiscontinued

G4X ThunderX

On requestNot listed on linkecu.com store (Oct 2026); appears discontinued/superseded by G5 Voodoo
–INJ
–IGN
–DBW
–λ WB
–MAX CYL
–KNOCK
–CAN
–LOG
FlexTractionLaunchBoostGearboxEthernet

Cars with a Link plug-in

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