1929 Bugatti Type 35 B

Lot 107
400 000 - 600 000 €

1929 Bugatti Type 35 B


Rencontre avec une Bugatti Type 35 B, de 1929 from Osenat on Vimeo.



Serial number BC25
Same owner since 2005
Has driven all over the world
Important invoice file
British title
Registerable in France with the FFVE

All dressed in yellow, in reference to the Belgian colors and especially the one driven by Elizabeth Juneck at the 1928 Targa Florio, this Bugatti Type 35B is probably one of the only of its kind to have been driven all around the world. According to the English historian, David Sewell, a reference in the field of Grand Prix Bugatti, this car was rebuilt from 1976 onwards around a number of original parts acquired from Mr Geoffrey St. John by Mr Adrian Mounsdon. David Sewell's report then refers to front shock absorbers, steering parts, oil breather and other internal parts, camshafts, connecting rods, engine crankcase. M . Mounsdon ordered a chassis from Alan Wragg, the 15th one made out of 42, from 1972 to 1986. This chassis is then known in Alan Wragg's archives as 015SR. (Mr. Mounsdon had already rebuilt a Bugatti Type 37 and was also working on an Alfa Romeo 6C 1750 with compressor) The chassis was assembled with a body made by the renowned Peel Works Ltd., more precisely by Alexander Goldie and Fredrick Faulkner in Kingston-upon-Thames.
The car was then one of the first to be registered in the B.O.C. (Bugatti Owners Club) under number BC25 in the 1980s. It also been registered with the V.S.C.C. (Vintage Sports-Car Club), with at least three original major elements.

During David Sewell's inspection of the car with the current owner, it was found that:

The chassis is struck 6710, inside the engine bay, along the front exhaust manifold. This number corresponds to the year and month of its realization in reverse.
The 8-cylinder engine 2,262cm3 was assembled by Mr. Mounsdon. The lower engine is number 1025TG on the engine mount.
The front axle does not have a number but it is a genuine period Bugatti Type 35 part acquired from Duncan Pittaway in Canada.
The rear axle housing is number 123, it is an original Bugatti Type 44 housing modified and adapted by Mr. Mounsdon when assembling the car. It is mounted with ratios of 14x54.
The gearbox casing is struck 272 and is an original Bugatti Type 37 part acquired by Ivan Dutton (one of Bugatti's leading specialists in maintenance and restoration since the 1980s) at Retromobile 2006 and installed on the car at the request of the current owner. A note from Ivan Dutton tells us that this part was used on a Bugatti which gearbox was replaced in the pre-war period by a standard exchange part. The car was lost but the box was kept in the family of the car owner until 2006.
The body is very well made, the punctured covers, folds, curves and dimensions are in conformity.
The magneto is a period Bosch, numbered GE8BRS197.
The compressor is struck with number 278.
Some mechanical parts and in particular the breech are struck with the number 178. The latter also has the number 15263748 on its upper side.
The carburetor is a period Zenith type 48UY numbered 1824.
A modern Kubota alternator was installed.

In the 1990s, BC25 was sold to Robert Thredder who sold it to Dr Richard Hollings Raynes living in London in 2002, through an auction. Specialist Ivan Dutton was servicing the car when he was the intermediary between Dr. Raynes and the current owner in 2005. So it was 14 years ago that Mr. M took possession of the car. He then participated in many rallies and races around the world, most of the time by road. This is why some reversible adjustments were made on the car: a luggage rack was installed as well as an empty pocket and storage spaces for tools were adapted.

BC25 took part in international Bugatti gatherings in Italy, France, New Zealand, Slovakia and in the United States. The car also ran at the Williams Race in Donnington, driven by Rim Dutton. It was also hired at Oulton Park, twice at the Mondello Circuit near Dublin, as well as at Ruapuna in New Zealand, and twice in Angoulême. We keep the rankings of the 2006 edition during which Mr. M finished 5th out of 11, turning in 1.10.33 minutes per lap. BC25 has also participated in many V.S.C.C. hill climbs in Prescot or Loton Park. Nearly 25,000 miles after its acquisition by Mr. M, the Bugatti was back at Dutton for a complete overhaul and disassembly of all mechanical components and replacement of defective parts. Thus, the engine was removed and checked. One of the cylinder blocks was replaced. The clutch and bearings were replaced, the gearbox was opened for inspection, the rear axle was dismantled and its bearings replaced, the tank was rebuilt, the rods were dismantled, checked and reassembled with suitable screws. All for £30,000. The radiator was also rebuilt by Star Engineering, for £5,100.
Since then, BC25 has only covered about 2,000 miles while participating in the 2019 Vintage Revival in Monthléry, before seeing its water pump revised at the brand's specialist in France, F. Novo.

The car will be sold with David Sewell's report, the 2006 FIA approval form (expired), photos of his travels in Italy, France or New Zealand, but above all with a substantial file, counting precisely £84,094 of invoices issued since its purchase by its current owner.
It is therefore a Bugatti Type 35B similar in many ways to Pierre Feidt’s BC41 that was sold by Osenat in 2018. The recent parts used in its composition were chosen from the best suppliers in Great Britain. This is a unique and very careful project, having proven its effectiveness on some of the most beautiful circuits in the world and anchored in the B.O.C. since its inception.
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