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}}BR Mk 1 First Open (FO) No 3103 was built in 1961 at Wolverton to diagram number 73 (AD103), lot number 30648<ref name=Longworth>[[Bibliography#Other References|Longworth (2013)]] p.42.</ref> 128 of these vehicles were built 1954-1964, the earliest open to diagram 71 had end doors only, but this diagram had two saloons separated by a cross gangway with centre doors. It was fitted with Commonwealth bogies from new.

==Service and preservation=='''M3103''' is a '''BR Mk 1 First Open (FO)'''. It entered service was acquired in 1961 1984 by a group of Bridgnorth Bar Department volunteers, also known as SC3103 in [[The SVR (BR) Buffet Car Fund]]. They had already acquired [[BR's Scottish region, becoming M3103 in 1682 Restaurant Buffet]] and quickly developed plans to offer a dining service using the two carriages. This led to the introduction of the Midland region [[Severn Valley Venturer]] in February 19641989.<ref name=Longworth/>

Prior ==Service==BR introduced the Mark 1 First Open in 1951, seating 42 in 7 bays of 2+1 format with a toilet in each end vestibule. The first three to preservationDiagram 71 had end doors only, 3103 while the next 17 from 1954 to Diagram 72 had been used as an SAS training vehicle a centre door in the middle seating bay. Thereafter Diagram 73 (evidenced by broken table legs and AD103) became the standard, with a seat scorched by a stun grenade)central vestibule.<refname=Longworth>vintagecarriagestrust[[Bibliography#Other References|Longworth (2013)]] p.42.org</ref> It arrived on the SVR from Oxley, Wolverhampton on 23 July 1984, and was originally overhauled at Bewdley in 1997, with another overhaul and repaint in 2011 (the tyres were turned at Bristol at the same time).

3103 was built in 1961 at Wolverton as one of three in Lot 30648 to Diagram 73. Previous FOs had been fitted with BR1 bogies whose ride quality became poor after some use, and this Lot was the first to be built with Commonwealth type bogies, increasing the weight from 33 to 37 tons. The three were initially allocated to BR's Scottish region before being transferred the Midland region in February 1964, with SC3103 being renumbered M3103.<ref name=Longworth/> Prior to preservation, 3103 had been used as an SAS training vehicle (evidenced by broken table legs and a seat scorched by a stun grenade).<ref>vintagecarriagestrust.org</ref> It was subsequently stored at Oxley, Wolverhampton. ==Preservation==In 1981 the SVR Board authorised a further six vehicles to be acquired to cope with the expected increase in traffic arising from the forthcoming [[The development of Kidderminster Town Station|opening to Kidderminster]].<ref name=SVR72>SVR News 72</ref> The same year a group of Bridgnorth Bar Department staff (also known as [[The SVR (BR) Buffet Car Fund]]) acquired [[BR 1682 Restaurant Buffet]] which, although equipped with a full kitchen, was initially used only as a bar car and subsequently for an occasional grill service.<ref name=SVR121>SVR News 121, "The Severn Valley Venturer"</ref>  During 1984 the Bar Department staff found 3103 for sale while looking for other bar cars.<ref name=SVR121/> They duly acquired it as the last of the six originally authorised in 1981. At the time it was the SVR's second Open First which would allow for the completion of two balanced Mark 1 sets.<ref name=SVR72/> It arrived from Oxley on 23 July 1984.<ref>SVR Stock Book Ninth Edition</ref> Having completed the restoration of 1682, the bar staff began work on 3103 at Bridgnorth in early 1985. It received a quick internal restoration and external repaint into BR 1957 Maroon livery which it would have carried when first built, including black ends and the coat of arms but without the yellow stripe above the windows added to first class carriages from 1963. it entered traffic on 6 July 1985, making its debut in the LMS set. <ref>SVR News 75, 76, 77, 78</ref> The following year 3103, 4550 and 4584 all required minor repairs after a shunting mishap at Bridgnorth when they "decided to lay a track of their own". All three returned to service still bearing some scars.<ref>SVR News 81</ref> From the time of 3103's acquisition, the Bar Department staff had begun to make plans for offering a full restaurant service using their two coaches 1682 and 3103 as the traditional BR RB/FO pairing.<ref name=SVR121/> By 1988 the two were paired together and both received a quick repaint over the 1998-89 close season with 3103 remaining in 1957 Maroon livery.<ref>SVR News 89, 92, 94</ref> 1989 saw the launch of the [[Severn Valley Venturer]] Sunday dining service operated by the Bar Department staff as a complementary service to the official [[Severn Valley Limited]] dining train.<ref name=SVR121/> During 1990 3103 received repairs to several armrests. The roof was also repainted with the assistance of volunteers from the Duke of Edinburgh Award scheme.<ref>SVR News 97</ref>  3103 underwent an overhaul at Bewdley in spring 1997 with its place in the Venturer set being taken by on-hire classmate [BR 3109 First Open|3109]]. It had been in continuous service for some years, but being mainly used only on Sunday services it was found to be in generally good condition. It required some minor patchwork to the exterior panels before repainting, with the interior being stripped and re-varnished.<ref>SVR News 122, 133</ref> In 2002 3103 underwent a brake and bogie overhaul at Kidderminster during which its wheelsets were sent away for tyre turning.<ref>SVR News 139</ref> It received another repaint in winter 2004-05.<ref>SVR News 151</ref>  In 2009 the restoration of LMS Restaurant First Open (RFO) 7511 was completed. 7511 moved into the Venturer set while 3103 stood in for GWR Restaurant Third 9653 in the Severn Valley Limited set. In 2010 3103 was red-carded with wheel flats.<ref>SVR News 169, 170</ref>. Budget restraints prevented the tyres being reprofiled until October 2011 when the coach was sent to Barton Hill depot in Bristol for tyre turning. On its return it received another overhaul and repaint, then being put in the Carriage Shed to 'harden off' over the winter s it was not needed on the Santa service.<ref>SVR News 176</ref> It ran in the 2012 Spring Gala and then entered the BR Maroon set to provide first class accommodation while provide first while Brake Composite 21254 underwent an overhaul.<ref>SVR News 179</ref> Over winter 2013-14 3103 was re-upholstered in reproduction 'Festival of Britain' Blue maple leaf moquette funded by the Buffet Car Fund. The following winter it received another repaint before returning to the Venturer set after six seasons of acting as standby in [[Carriages#The carriage sets|sets M and C]]. The refurbishment was completed over winter 2015-16 with all of the carpets, curtains and linoleum being replaced, again funded by the Buffet Car Fund.<ref>SVR News 186, 191, 194</ref> 3103 is painted into 1957 Maroon livery with black ends, and is usually seen paired with [[BR 1682 Restaurant Buffet | Buffet Restaurant carriage (RB) No 1682]] for 'Severn Valley Venturer' catering use and special services. It is owned by the [[The SVR (BR) Buffet Car Fund|SVR (BR) Buffet Car Fund]]<ref>SVR Stock Book 9th edition</ref>.