BMW M635 CSi e24 - 1985
Secure Payment
End in 4 days
Highest bid : 11000 €
635 CSI? No, sir, M635 CSI. One letter makes all the difference at BMW. And with good reason: once it has passed through the hands of the wizards at Motorsport, this 6 Series is fitted with the legendary engine from the equally famous BMW M1. The result? Win the auction and you'll see.
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Description
This 1985 BMW M635 CSI, originally from Germany, has 201,500 km on the clock. The seller states that the vehicle is in very good overall condition. The seller, a retired BMW mechanic, specifies that the car underwent a complete restoration between 2016 and 2025, including a total refurbishment of the bodywork and mechanics.
Externally, the seller states that the vehicle is in very good condition. The grey bodywork has recently been completely repainted inside and out and has no noticeable defects. 
Inside, the seller states that the vehicle is in very good condition. The black leather sports seats have no tears or holes. The seller reports a fault with the electric adjustment of the passenger seat backrest. The M-Tech steering wheel and dashboard are in very good condition. This car has the following features:
- Electric sunroof
- On-board computer (OBC)
- Leather sports seats
- Electric windows
- Air conditioning (requires refilling)
The engine is a 3.5L inline 6-cylinder developing 286 horsepower (M88). The seller states that the mechanics are working normally, as is the gearbox. The seller has invoices available for viewing in the gallery. The mechanics have been fully checked:
- cylinder head test
- valve lapping
- cylinder de-icing
- new segments
- connecting rod bearings and bearings
- full distribution
The braking system is new (master cylinder, hoses, calipers) as is the suspension (4 Bilstein B6 shock absorbers, all silent blocks).
Recently, she has benefited from the following interviews:
- 24/12/2021: Replacement of shaft seals (Invoice from BMW Dynamism Automobiles)
- 08/04/2022: Replacement of housing and O-rings (€1,720 at BMW Dynamism Automobiles)
- 2025: Complete mechanical restoration finished, 1,000 km run-in completed.
The car has four rims in very good condition (BBS honeycomb style), fitted with tyres in good condition. 
The seller is a private individual located in France at Le Puy Notre Dame (49260) and accepts visits during the sale. The car will be sold with its French registration document, a favourable technical inspection less than 6 months old, its documentation, invoices and restoration file.
The seller wished to set a reserve price.
Auction information
Auction opening dates: Monday 26 January 2026 - 23:00
Auction end date: Thursday 05 February 2026 - 20:00
Notes : Any new auction placed in the last 2 minutes pushes the counter by 2 additional minutes ("anti-sniping" system).
A bank card is required to bid and a bank imprint is made for a guarantee amount of between € 300 minimum and € 1,000 maximum depending on the amount bid (see Conditions).
The bids immediately rise to the amount entered.
At the end of the sale, the highest offer is automatically validated by the seller if it exceeds its reserve price. However, all offers made remain valid for 2 working days after the end of the sale and can be accepted at any time during this period.
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