BMW M1 (E26)
Compare the road BMW M1 with the factory Group 4 Procar and trace period treatments such as AHG Studie.
What to check before buying
Request the factory build file and inspect the chassis, engine, and bodywork. For a Procar, trace its competition logbooks and the condition and availability of spares.
The AHG Studie retained its road-car origin. Compare its results with evidence for documented AHG conversions.
Documented auction results
If you’re deciding what to offer, start with transactions for cars of similar specification and history. Check the sale date, condition, and whether the price included buyer’s premium.
| Chassis | Date and auction | Outcome and price | Evidence |
|---|---|---|---|
| WBS59910004301135 | 23 Nov 2024RM Sotheby’s · Munich1979 BMW M1 'Exclusiv by Walter Maurer' | SoldEUR 477,500 · Published sold price | Auction evidenceRoad M1 with a unique Walter Maurer livery. |
| WBS00000094301090 | 10 Dec 2022RM Sotheby’s · Miami1980 BMW M1 AHG Studie | SoldUSD 648,500 · Published sold price | Auction evidencePeriod AHG dealership treatment of a road M1. Compare with similarly documented conversions. |
| WBS59910004301195 | 14 Aug 2020RM Sotheby’s · SHIFT/Monterey 20201980 BMW M1 Procar | SoldUSD 913,000 · Published sold price | Auction evidence |
| WBS00000094301090 | 16 Aug 2014RM Sotheby’s · Monterey 20141980 BMW M1 AHG Studie | UnsoldEstimate USD 600,000 to USD 800,000 | Auction evidencePeriod AHG dealership treatment of a road M1. Compare with similarly documented conversions. |
Commission a search or pre-purchase review
Source a car
Set the model, specification, budget, and timetable. We run the private search and screen candidates against your brief.
Private sourcingAssess a car you’ve found
Review the seller’s records, comparable sales, and questions for an independent marque specialist before deciding what to offer.
Pre-purchase advice
We agree the written scope, fee, and any specialist costs before work begins.
Factory specification and chronology
- Production
- 1978–1981
- Factory purpose
- Road and competition
- Body styles
- Coupé
Documented variants
| Variant | Production | Body style | Coachbuilder | Wheelbase | Factory specification | Documented examples |
|---|---|---|---|---|---|---|
| BMW M1 Procar (Group 4) | — | — | — | — | Competition | WBS59910004301195 |
Individual chassis histories
- BMW M1 Procar chassis WBS59910004301195
This factory Procar raced in IMSA with Al Unser Jr. and subsequently returned to historic competition. RM reported USD 913,000 in 2020.
- BMW M1 AHG Studie chassis WBS00000094301090
RM attributes this period dealer treatment to AHG. It was unsold at Monterey in 2014 and sold in Miami in 2022 for USD 648,500.
- BMW M1 Exclusiv chassis WBS59910004301135
RM cites a letter from Walter Maurer describing his collaboration with the first owner on the distinctive livery.