So here are some informations I've gathered thanks to your fantastic database and a recent published French book " Rover l'Elegance Britannique" by Adrien Cahuzac (2015).
My 75 V6 2.5 Auto Atlantic Blue / Sandstone Beige / Ash Grey was produced and exported to France (LHD) from the 15 June (VIN 104071) to the 14 July 1999 (VIN 109001), first year of production, with the only exception of one pre-production car issued on the 9 December 1998 (VIN 001265).
Mine (VIN 106404) was the 88th of the 132 absolutely similar models (same engine, same auto gearbox, same body, same trim) produced in that period, issued on the 01 July 1999 9:04:16 GMT.
Actually my ECU had been done a little earlier during the 24th week of 1999 (14-18 June) as told by @Scoubix.
She waited until the 30 December 1999 to be sold in the very South of France at Perpignan (close to Spain border, 150ml South far from home).
In 1999 only 244 similar V6 2.5 (but mixed bodies & trims) were built to be sent in France : 226 Pack Luxe (Connoisseur) & 18 Pack (Club).
And the same year:
- 184 V6 2.0
- 148 1.8
- 1233 CDT 2.0 (!)
In the following years the LHD 75 production to France went downwards, as you may have guessed.
And now? How many remaining here?
Not a lot I fear...
I barely see any Rover at all in my departement... Just once a 25 and a 45...
Should I put mine in a museum?


EDIT: I didn't know exactly where to put my thread so I put it here a little by chance...