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🚗💨 1993 BMW E34 530iX Enduro Touring (Concept)
• 🏁 Base: BMW E34 525iX Touring
• 🛠️ Engine: 3.0L Bosch Motronic fuel injected M50B30TU inline-6 (tuned)
• ⚙️ Transmission: 5-speed manual
• 🐎 Power: 246 hp (181 kW) @ 5,800 rpm
• 💪 Torque: 233 ft-lbs (316 Nm)
• ⏱️ 0-60 mph: 7.5–8.0 seconds
• 🏎️ Top Speed: 140 mph (225 km/h)
• 📅 Production: 1 unit in 1993
• 🔗 More Info: https://classic-vintage-bmw.tumblr.com/93e34530ixendurotouring
🚗💨 1969 2800 Bertone Spicup Coupe Prototype
• 🏁 Base: BMW E3 2500
• 🛠️ Engine: twin-carbureted (two Zenith 35/40 INAT) 2.8L M30 inline-6
• ⚙️ Transmission: 4-speed manual
• 🐎 Power: 170 hp (125 kW) @ 6,000 rpm
• 💪 Torque: 174 lb-ft (236 Nm) @ 3,700 rpm
• ⏱️ 0-60 mph: + / - 9.5 seconds
• 🏎️ Top Speed: + / - 130 mph (210 km/h)
• 📅 Production: 1 unit
• 🔗 More Info: https://classic-vintage-bmw.tumblr.com/2800spicup
🧪 A rare glimpse of the E23 in its prototypical state.
1995 BMW Z18 Concept
Unveiled in 1995 by BMW Technik GmbH, BMW proudly called the BMW Z18 the world’s first “off-road roadster.” Developed in secrecy starting in 1990, the Z18 previewed ideas that would later influence production models but it remained a one-off experiment that never reached showrooms.
Origins and Concept Philosophy
BMW Technik GmbH was tasked with exploring bold, boundary-pushing ideas. In the early 1990s, enduro motorcycles were exploding in popularity and off-road vehicles were gaining traction. BMW'S engineers saw an opportunity to fuse these worlds with the joy of open-top driving. The result was the Z18 which was a high-riding convertible crossover that combined elements of the upcoming Z3 roadster, an off-road buggy, and an enduro motorcycle.
While it was never intended for production, it served as a technological test bed and a way to gauge interest in unconventional vehicle concepts. Although it debuted publicly in 1995 (some sources note that it was kept under wraps until around 2000), it reflected BMW’s willingness to experiment during a decade of rapid innovation.
Exterior Design and Features
Visually, the Z18 was unmistakably a BMW which featured the signature kidney grille integrated into the hood and classic 1990s styling cues like four round headlights upfront and wider taillights at the rear. It shared its basic proportions with the Z3 roadster but it sat much higher off the ground for off-road prowess.
The body was constructed from lightweight plastic panels mounted on a steel frame structure reminiscent of a boat’s hull. This waterproof design allowed the Z18 to wade through shallow water passages with ease. BMW claimed that it could handle flat stretches of water without issue. Splash guards over the wheels and a high ground clearance further emphasized its off-road intent.
With no roof ever planned, the cabin was designed to be fully exposed. Waterproof bucket seats, heavy-rubber floor mats and a minimalist dashboard (with reduced components to limit water damage) made the interior surprisingly practical for an open-air concept.
One of the Z18’s most intriguing features was its modular interior. It could reconfigure from a two-seater to a four-seater (with hidden rear seats) or even a pickup truck by folding or removing panels.
Powertrain and Performance
Power came from a 4.4-liter naturally aspirated V8 (the M62B44) which produced 355 hp (260 kW) at around 5,700 rpm. This engine, later used in the first-generation X5, delivered strong performance through a five-speed manual transmission and a sophisticated all-wheel-drive system that would later form the foundation for BMW’s X3 and X5 SUVs.
The Z18 weighed approximately 1,560 kg (3,439 lb) thanks to its plastic body and steel frame. While exact performance figures weren’t widely published, the power-to-weight ratio promised lively acceleration and the AWD system provided excellent traction on and off road.
Legacy and Why It Never Made Production
The Z18 received mixed reactions when it was shown publicly. Some praised its creativity while others found it too bizarre. It never progressed beyond the prototype stage as BMW focused on more conventional models like the Z3 and the upcoming X5 SUV.
In hindsight, the Z18 was remarkably prescient. It foreshadowed the rise of crossover vehicles, convertible SUVs (like the Range Rover Evoque Cabriolet), and the demand for versatile, open-air off-roaders. While no direct successor emerged, it influenced BMW’s thinking about blending categories.
1995 Z18 Concept at a Glance: 4.4-liter naturally aspirated M62B44 V8 engine with 355 hp (261 kW) and approximately 310 lb-ft (420 Nm) of torque, 0–60 mph in roughly 5–6 seconds with an electronically limited top speed of around 127 mph (204 km/h) in some reports. It featured an all-wheel-drive system with a five-speed manual transmission. Curb weight approximately 3,439 lbs (1,560 kg). Length 167.3 in (4,250 mm). Only one unit was produced in 1995 as a non-production concept vehicle.
BMW E24 Cabriolet Prototype: In 1982, BMW had collaborated with Italdesign's Giorgetto Giugiaro in an effort to create a prototype for a cabriolet version of the E24 6-Series. Despite the effort, BMW chose not to pursue production. What do you think? Would you have any interest in something like this or did BMW make the right decision by shelving the idea?
1970 BMW 3002 Prototype: An E9 2800CS front end mated with a 2002 rear that was powered by a 2.8 liter, six-cylinder M30 engine fed by three Weber carburetors (45 DCOE) producing 275 hp. You can read more about this magnificent beast at https://classic-vintage-bmw.tumblr.com/19703002
1990 E32 750iL V16 Goldfisch (Prototype)
Development and Origins
The 1990 E32 750iL V16 Goldfisch (often referred to as the second or refined Goldfisch prototype) represents BMW’s follow-up engineering experiment to the original 1988 version. While the first prototype tested raw power and basic engine integration, this 1990 iteration focused on improved packaging, better drivability and styling cues that previewed the upcoming E38 7 Series (launched in 1994). Designed under Boyke Boyer, who later shaped the E38, it combined E32 proportions with smoother, more modern lines including a cleaner front end, revised headlights, wider-spaced kidney grilles, a prominent hood bulge and a roofline/C-pillar closer to the E38 aesthetic.
Unlike the 1988 car’s prominent rear cooling gills and ducts.. (seen in the image below) ..this version had repositioned certain components to allow the radiator to remain upfront eliminating the awkward protrusions of the rear quarters for a more production-ready appearance. The body modifications addressed the key shortcomings of the 1988 prototype while maintaining the long-wheelbase E32 platform for luxury presence and rear legroom. The aluminum construction reduced overall mass which improved balance and handling despite the large engine. From the front, the revised grille spacing and hood treatment created a more assertive yet refined look bridging the E32 and E38 generations. The prototype retained classic BMW proportions but it felt more contemporary and less compromised than its predecessor.
(Below: Right rear quarter of the 1988 E32 750iL V16 Goldfisch)
Powertrain and Performance
Power came from a slightly revised Goldfisch V16 engine which now displaced 6.6 liters (6,646 cc) with SOHC architecture and 32 valves. Aimed at achieving smoother running, greater overall refinement, and potentially better compatibility with emissions standards, the engine delivered 348 hp (about 257 kW) at 5,000 rpm. This was a deliberate detuning from the original prototype’s 408 hp. Torque delivery emphasized effortless pull and exceptional smoothness rather than peak figures. Power was sent to the rear wheels via a five-speed automatic transmission which was another change from the 1988 six-speed manual. This setup delivered an electronically limited top speed of 155 mph (250 km/h) prioritizing luxury composure over maximum velocity. The project remained an internal technology demonstrator with no production plans as BMW continued to weigh concerns about fuel consumption, emissions, the risks of an escalating engine competition and a strategic shift toward greater efficiency.
Compared to the standard E32 750iL, the 1990 Goldfisch prototype delivered noticeably smoother power delivery and better overall engine integration even though it gave up some of the original prototype’s peak horsepower in exchange for improved drivability and real-world comfort. The use of an aluminum body had significantly reduced the car’s overall weight counteracting much of the extra mass from the large V16 engine and allowing handling, ride quality and balance to stay much closer to those of the regular production 750iL.
The 1990 Goldfisch remained hidden in BMW’s archives until its public reveal at Techno-Classica Essen in 2024 where it appeared in largely original condition.
1990 E32 750iL V16 Goldfisch at a Glance: Prototype based on E32 750iL platform with aluminum body for weight reduction; 6.6L naturally aspirated SOHC 32-valve V16 engine (6646 cc) producing 348 hp (257 kW) @ 5,000 rpm; 5-speed automatic transmission with rear-wheel drive; electronically limited top speed of 155 mph (250 km/h); cleaner styling previewing E38 7 Series elements with no rear cooling gills; one-off engineering test mule preserved in BMW Classic Collection. No production version built.
🚗💨 BMW 2800 Spicup Coupe (prototype)
• 🏁 Base: BMW E3 / 2500
• 🛠️ Engine: 2.8L M30 inline-6, twin-carbureted (two Zenith 35/40 INAT)
• 🐎 Power: 170 hp (125 kW) @ 6,000 rpm
• 💪 Torque: 174 lb-ft (236 Nm) @ 3,700 rpm
• ⚙️ Transmission: 4-speed manual
• ⏱️ 0-60 mph: 9.5-10.0 seconds
• 🏎️ Top Speed: 125-130 mph (201-209 km/h)
• 📅 Production: 1 unit (1969 prototype)
• 🔗 More Info: https://classic-vintage-bmw.tumblr.com/2800spicup
