Description
N16B16A / N12B16A Cylinder Head Assembly – Valves & Camshafts Pre-Installed
This N16B16A / N12B16A cylinder head assembly is a brand new, factory-fresh cylinder head built to OEM standards. It comes with the complete valvetrain pre-installed, including intake and exhaust valves, valve springs, camshafts, hydraulic lifters and all related internal components. You simply transfer your existing external parts – saving significant time and labour during installation.
The N12B16A and N16B16A are 1.6-litre petrol engines from the BMW/PSA Prince engine family, widely used in compact BMW and MINI models. This head is manufactured to exact original tolerances and pressure-tested for reliable, long-lasting performance.
What’s Included – Complete Cylinder Head Assembly
This listing is for the cylinder head with the following components pre-installed and ready to use:
- Cylinder head casting – precision-machined, pressure-tested
- 16 valves – intake and exhaust valves, heat-resistant (4 per cylinder)
- Valve springs, spring seats and retainers
- Valve stem seals (already fitted)
- Valve guides (pressed in)
- Camshafts – intake and exhaust (DOHC)
- Hydraulic lifters / tappets (pre-installed)
- Camshaft bearing caps and bolts (torqued to specification)
- Core plugs and oil gallery plugs (installed)
- Valve clearances pre-set – no manual adjustment required
Note: This is a cylinder head assembly, so the following external components are NOT included and must be transferred from your old head or purchased separately:
- Valve cover / rocker cover
- Timing chain, tensioner and guides
- Fuel injectors and ignition coils
- Intake and exhaust manifolds
- Turbocharger (for turbo variants)
- Camshaft sensors, actuator solenoids and wiring
Vehicle Compatibility
The N12B16A / N16B16A 1.6L petrol engine was fitted to a wide range of BMW and MINI models. Always verify your engine code and OEM part number before purchase. Common applications include:
- BMW 1 Series (E81/E82/E87/E88) – 116i, 118i
- BMW 3 Series (E90/E91/E92/E93) – 316i
- BMW X1 (E84) – sDrive16i, sDrive18i
- MINI Cooper (R56/R57/R58/R59) – non-S models, 1.6L
- MINI Clubman (R55) – Cooper, Cooper S (depending on version)
- MINI Countryman (R60) – Cooper, Cooper S (depending on version)
- Other vehicles equipped with the N16B16A or N12B16A engine (confirm via OEM number)
Technical Specifications
| Engine Code | N16B16A / N12B16A |
| Displacement | 1.6 Litre (1598 cc) |
| Configuration | Inline 4-cylinder, DOHC 16-valve |
| Fuel Type | Petrol / Gasoline |
| Valvetrain | Double overhead camshaft, hydraulic lifters |
| Condition | Brand New – Cylinder Head Assembly |
| OEM Part Numbers | AMC 910971 / MINI 0200GV, 0200HF, 0200HQ, 0200HR, 11127596054 |
| Warranty | 18 months |
Why Choose This Cylinder Head Assembly
- 100% brand new – never reconditioned or repaired
- Pressure-tested and vacuum-tested for leaks
- OEM-grade materials and exact machining tolerances
- Pre-installed valves and camshafts save hours of fitting time
- Comes with an 18-month warranty for peace of mind
- Packed in a reinforced crate for safe international freight
- Fast global shipping to port or door
If you need a N16B16A cylinder head for sale or a replacement head assembly for your BMW or MINI, this complete unit gives your engine a factory-fresh start. Order now for a reliable, direct-fit solution.
More Cylinder Heads & Quick Contact
- Browse more cylinder heads: View our complete cylinder head catalog for Mercedes and BMW.
- Need help? Contact us directly on WhatsApp for fast compatibility checks and shipping quotes.
Additional Technical Resources
- Prince engine family on Wikipedia – technical background.
- N16B16A engine specifications at engine-specs.net – detailed data.










