1991 BMW 525i
M50B25 inline-six, stroked to ~3.0 liters, rear-wheel drive, 5-speed manual, modified
1991 BMW 525i
M50B25 inline-six, stroked to ~3.0 liters, rear-wheel drive, 5-speed manual, modified
km
This 1991 BMW 525i is an E34 sedan featuring a stroked M50B25 inline-six paired with a 5-speed manual gearbox. The engine was fully rebuilt around 2,000 km ago and was dyno-tested after completion; displacement was increased to roughly 3.0 liters.
The roadworthiness inspection is valid until August 2026. The car comes with an original Hella rear spoiler and matching upholstery fabric for retrimming the door cards. All documents are reportedly in order.
• M54B30 crankshaft
• AMP44 84.5 mm forged pistons
• Modified M5 exhaust manifolds
• New gaskets and key engine components
• ECU remap
• Custom exhaust system (from an E32 750i)
• LSD 3.6x Type 188 differential (approx. 60–70% lock-up, additional clutch plates)
• M3 clutch kit
• Style 32 18-inch wheels (sandblasted and powder-coated)
• Original M5 four-seat interior
• Alcantara headliner and pillars
• M-Tech 2 steering wheel
• Wood trim
• Hella rear light center panel
• Power front windows (rear wiring installed; mechanisms included)
• Android head unit with Bluetooth
• Electric sunroof
• Short shifter
• Lowered suspension
• Two original keys with central locking remotes
• Color mismatch on body panels
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