Summary:
1991 BMW E34 M5 with approximately 192k miles with a clean California title, clean CARFAX with no accident history. Powered by BMW's legendary S38 inline-six paired with its original 5-speed manual transmission, this example combines classic BMW M engineering with a thoughtful collection of enthusiast-focused upgrades.
With over $19k of extensive mechanical work performed by BimmerHeads in Santa Clarita, California. Work addressed multiple major engine systems, including extensive cylinder head and valve train work, fuel delivery, ignition, crankcase ventilation, intake, and cooling systems.
The chassis features a street and canyon-focused suspension setup, complemented by a set of period-correct MK Motorsport staggered wheels. Additional highlights include newly reupholstered black leather seats, new Toyo tires, and a new A/C compressor with cold air conditioning.
Modifications:
* MK Motorsport staggered 17-inch wheels
* Front: 17x8.5 ET13
* Rear: 17x10 ET20
* New Toyo tires
* Front: 245/45-17
* Rear: 275/40-17
* Riaction Performance coilover suspension. Spring Rates: 10K (Front) - 8K (Rear).
* Refreshed front suspension with new control arms, steering arms, bushings, and front and rear sway bar links
* Angry Ass bump steer plates
* Powerflex rear polyurethane subframe bushings
* UUC Stainless Steel Clutch and Brake lines
* New Continental stereo head unit
Recent Maintenance:
BimmerHeads
Total documented investment: $19,363.79
Extensive mechanical overhaul and refresh of the S38 inline-six, including:
Cylinder Head & Valve Train
* Replacement cylinder head
* 24 new Supertech valve guides
* New Supertech intake valve set
* New Supertech exhaust valve set
* 24 new valve springs
* New valve seals
* New camshaft
* Cylinder head resurfacing
* Valve seat grinding
* Intake and exhaust valve clearance adjustment
* New cylinder head gasket
* New cylinder head bolts
* New timing chain tensioner
* New camshaft seal
* New valve cover gaskets and spark plug tube gaskets
* Valve clearance readjustment following cylinder head break-in, including necessary valve shim adjustments
Fuel Delivery & Intake System
* Six remanufactured fuel injectors
* New fuel injection hoses and clamps
* New fuel vent hose
* New injector O-rings
* New throttle body gaskets
* New fuel filter
* Intake plenum disassembled, cleaned, and reassembled
* Individual throttle body mechanical butterfly closing angle adjustment
* Throttle body bypass ports monitored and adjusted for even performance across all six cylinders
* New engine air filter (BMC)
Ignition System
* New distributor cap
* New ignition rotor
* New ignition wire set
* Six new spark plugs
Cooling System
* New water pump
* New thermostat
* New thermostat housing seal
* Replacement coolant transfer pipe at the front of the engine
* Extensive replacement of coolant hoses and associated connections
* New coolant temperature senders
* New auxiliary fan switch
* New coolant expansion tank cap
* New coolant level sender
* New cooling fan blade
* Cooling system filled and bled
* New ac compressor, blows cold
Crankcase Ventilation, Vacuum & Brake Booster
* New S38B36 crankcase ventilation kit
* Replacement vacuum hoses and caps
* New idle control valve hoses
* New idle control valve mount
* New brake booster check valve
* Replacement brake booster hoses and fitting
* New brake booster grommet
Engine & Drivetrain Fluids
* Engine oil and filter service using Motul Classic Nineties 10W-30
* Engine flush performed using Liqui Moly engine flush
* Fresh engine oil and filter following flush
* New magnetic engine oil drain plug
* Manual transmission fluid service using Motul GearBox 80W90
* Differential fluid service using Motul 90 PA gear oil
* New differential drain and fill plugs and sealing rings
* Brake fluid flush and replacement using Motul DOT 5.1
* Power steering fluid service
* BMW coolant replacement
Additional Maintenance & Repairs
* New Interstate H8 AGM battery
* New hood support struts
* Oil pressure switch replaced
* Accessory drive belts replaced
* New oil filler cap
Seller Notes:
The car currently has approximately 192kk miles and runs great, with no reported oil leaks or overheating issues.
The black exterior was repainted by previous owner and presents very well. The black leather seats have been newly reupholstered.
Located in Orange County, California. The original BimmerHeads invoice documenting $19,363.79 in work is available for review.