Piloted EGS/ETG/BVMP gearboxes difference and issues

[shchepetov]

Hello everyone,
Maybe i dont know how to search but never found an answer.
PSA seems to have 2 types of piloted manual gearboxes in all the 2000-x cars - either 6 speed with hydraulic actuators (called EGS6 or ETG6 or BVMP6) fitted with 1.6HDI and bigger engines or 5 speed with electric motor operated actuators (BVMP5) fitted to 1.4HDI engines (something similar situation for gasolines too).
As i understood the EGS6 is the same gearbox from 2004 till.. 2018?

I used to own 2005 Citroen C4 1.6HDI with EGS6, it fees like you drive a manual and someone operates the clutch and gears for you (slowly..).
Recently i test drove a 2012 Peugeot 308 1.6HDI with the same gearbox (as i understood) - but the feelings are completely different - i would never say that its NOT a normal automatic - gears shift is very fast especially in sport mode (like in DSG ).
How is that possible? Different SW?

Now i have 2012 Peugeot 208 with 1.4HDI and BVMP5 and this is the worst gearbox i ever had.. gears shift is slow, sometimes it like declutches too fast and car kicks (usually when slowing down), sometimes revving as hell between shifts, sometimes when you slow down at a cross section around 10kmp (6mph?) it does not do anything for about 5 secs.. waiting for car speed to match to any gear, then revv as hell and engage the 1st gear.

And the final idea - fit an EGS6 to my car with 1.4HDI? (in addition should provide better fuel economy at high speeds with the 6th gear?)
But how to find a good EGS (like in 308) and not a slow one like in old C4?

[frer8833]

Hello,

The confusion regarding the "EGS6" (also known as MCP/ETG6/BVMP6) is common because the name remained the same while the internal hardware and electronic architecture evolved significantly between 2005 and 2012.

1. Why your 308 (2012) feels faster than your old C4 (2005):
The 2005 model uses the early generation control unit (CFC300P), which prioritizes conservative, slow shifting to protect synchromeshes. The 2012 model uses the updated CFC310P control unit. This newer unit has faster processing, higher hydraulic pressures, and more advanced "slip-point" prediction. In Sport mode, the actuator reacts more aggressively, providing the snappy, DSG-like shifts you experienced.

2. Why your 208 (BVMP5) performs poorly:
The 5-speed BVMP5 uses electric actuators (motors) rather than hydraulic ones. They are inherently slower and less precise. The "lag" or "revving" you feel at low speeds is almost certainly due to the system losing track of the "clutch bite point." This happens when the clutch wears or when the gearbox has not been recalibrated in a long time. You need a Diagbox initialization of the actuator and clutch bite point.

3. Can you swap in an EGS6?
No, this is technically and electronically unfeasible.
- Mechanical: The EGS6 (MCM architecture) is designed for the 1.6HDi/2.0HDi engine blocks and does not fit the 1.4HDi (DV4) block without extensive custom fabrication.
- Electronic: The 208's BSI/ECU architecture does not support the communication protocols required for the EGS6 hydraulic TCU. The car would fail to start or communicate with the transmission.

In summary, the difference is down to the evolution of the software/actuator generation (CFC310P vs CFC300P), and the 208's issues are likely solvable with a software recalibration. Do not attempt a gearbox swap; it is not a plug-and-play operation.