The Link E36X (BMW E36 M50TUB25) is a mid-range plug-in engine control unit (ECU) from Link ECU. It has 6 injector and 8 ignition outputs and knock control. List price is US$1,810. 2 sellers list it from US$1,483 to US$1,810.
Prices checked . Specs from Link ECU's published data.


Key specs
DBW = drive-by-wire throttle channels · λ wideband = onboard wideband lambda (oxygen sensor) inputs · CAN = controller area network buses.
Features
- ✕Drive-by-wire
- ✕Onboard wideband
- ✓Knock control
- ✓Flex fuel
- ✓Traction control
- ✓Launch control
- ✓Boost control
- ✓Gearbox control
- ✓Onboard logging
- ?Ethernet
- ?USB
- ✕Built-in display
✓ published · ✕ not offered · ? not published. Some features, like traction control and launch control, mean different things by brand. See the glossary.
Details
- Highlights
- This ECU works with manual AND automatic transmissions. This model includes an onboard MAP sensor. Most factory features are supported. This ECU will need a modification before E-Throttle is usable.
- Part number
- 201-4000
- Software
- PCLink (free)
- Logging
- 512MB onboard
- Links
- Product page ↗Price source ↗
- Fits
- BMW 3 Series / M3
- Tuning
- Find a Link ECU tuner with a dyno
- Maker
- Link ECU: history, software and every model
Where to buy the E36X (BMW E36 M50TUB25)
2 sellers found
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Prices as shown on each seller's site on , in their own currency, converted at 14 Oct 2026 rates. Shipping, import duty and tax vary. Check with the seller before you buy.




