Should I buy this GS1200 2004

Hi to all in the forum,
I'm new to the BMW GS 1200 forum and would appreciate your help.
What do you think this bike is worth and what should I look out for at this mileage?

BMW R1200GS
Reg Date Dec 2004
Mileage 54077 but is in use so may rise.
Mot July 2019

This was the servo brake type but previous owner removed servo when it failed at a junction.
2015 New front discs.
2018 New rear disc
2018 New pads on rear (bmw) and 2019 front (bmw ) .
Heated grips .
Rear drive re built and new swinging arm bearings installed at start of 2018.
New battery 2018
Tyres Michelin Pilot 4 with about 6K miles on so lots of tread left.
2018 rear wheel flange plate mod done (aluminium to steel) by BMW 2018.
2 key fobs (fob sender was replaced by last owner)
I have a set of crash bars which I will put in with the sale.
Will include top box in the auction.
Data tagged plus alarm (very useful)

£ 4185.76

£3-£4k
Sounds like it's been looked after.

Big Si said:

£3-£4k
Sounds like it's been looked after.

Click to expand...

I think £3500 or thereabouts is a good shout and sounds like it's been looked after well.

The early ones are great bikes and cracking value.

Why is it at auction? Stop bidding at £3500 is my advice. JJH

Are you selling or buying? "I have a set of crashbars which I will put in with the sale" JJH