2016-2019 BMW 7 Series 4.4 Cylinder Head 860501508
Specifications
OEM number
860501508
Donor year
2016
Body style
Sedan
Fuel
Gas
Engine size
4.4 L
Transmission
Auto
Drivetrain
AWD
Suspension
Air
Trim
Xdrive m package
Donor mileage
87000
Paint code
A89 Imperial Blue Brilliant Effect
About this part
Also known as
Cylinder Head Assembly
Engine Head
Valve Head
Bare Head
Complete Cylinder Head
Top End Assembly
What this part does
The Cylinder Head mounts directly to the top of the engine block, capping the cylinders to form the tightly sealed combustion chamber. It serves as the housing for the primary valvetrain components, including the intake and exhaust valves, valve springs, lifters, and overhead camshafts. This casting provides the vital passages that route the air-fuel mixture into the cylinders, channel exhaust gases out into the manifolds, and circulate coolant and oil to regulate engine temperatures.
Because it operates under immense thermal and mechanical stress, the cylinder head must maintain a perfectly flat mating surface. When a vehicle suffers from severe overheating, the aluminum casting can warp or develop micro-cracks. A failed cylinder head typically causes rapid coolant consumption, localized overheating, heavy white exhaust smoke, loss of cylinder compression, or a milky mixture of oil and engine coolant.
Fits these vehicles
| Make | Model | Years | Engine |
|---|---|---|---|
| BMW | 750i | 2016-2019 | 4.4L |
| BMW | 750i xDrive | 2016-2019 | 4.4L |
| BMW | Alpina B7 | 2017-2019 | 4.4L |
OEM and interchange numbers
860501508
11128605015
Before you order
Because the 4.4L V8 engine utilizes two distinct cylinder heads, you must verify exactly which side of the engine requires replacement. Confirm whether you need the head for Bank 1 (passenger side) or Bank 2 (driver side), as the internal oil and coolant passages are side-specific and the units cannot be swapped. Check your current casting number against 860501508 to guarantee proper fitment.
Even when purchasing a structurally sound used part, it is standard industry practice to have the unit inspected, decked for absolute flatness, and pressure-tested by a qualified automotive machine shop prior to bolting it down. Installation requires the use of brand new torque-to-yield head bolts and a new multi-layer steel head gasket to prevent future leaks. If you plan to transfer your existing camshafts or valvetrain hardware over to this assembly, inspect all bearing journals for scoring or excessive wear beforehand.
