Overview

Professional-Grade Cylinder Head Cover for BMW N20/N26 Turbo Engines

Stop embarrassing oil leaks and protect your BMW's engine with our premium Cylinder Head Cover Assembly. Specifically engineered for BMW's N20 and N26 2.0L turbocharged engines, this complete valve cover solution eliminates the common oil leak problems that plague these popular BMW powerplants from 2012-2018.

Key Product Benefits & Features

🚗 BMW Model Compatibility (2012-2018)

• F30 3 Series: 320i, 328i, 328d xDrive (2012-2018)
• F32/F33/F36 4 Series: 420i, 428i, 428i Gran Coupe (2013-2018)
• F10/F11 5 Series: 520i, 528i, 528i xDrive (2012-2017)
• F06/F12/F13 6 Series: 640i models with N20 engine (2012-2015)
• F01/F02 7 Series: Selected models with N20 application (2012-2015)
• E84/F48 X1: sDrive20i, xDrive20i, xDrive28i (2012-2017)
• F25 X3: xDrive20i, xDrive28i (2012-2017)
• F26 X4: xDrive20i, xDrive28i (2014-2018)
• F15 X5: xDrive28i (2013-2018)
• F16 X6: xDrive28i (2014-2018)

⚡ Technical Specifications

• Primary OEM Numbers: 11128507607, 11127588412, 11127570292
• Alternative Part Numbers: 11-12-8-507-607, 11-12-7-588-412, 264-517
• Engine Compatibility: N20B20, N26B20 (2.0L turbo 4-cylinder)
• Material: High-grade polymer with integrated PCV system
• Gasket Type: Molded rubber with steel core gasket
• Bolts Included: Complete hardware kit with new bolts

🛡️ Advanced Engineering Features

• Leak-Proof Design: Eliminates common BMW valve cover oil leak problems
• Integrated PCV System: Built-in positive crankcase ventilation components
• Heat Resistance: Engineered for turbo engine temperature extremes
• Perfect OEM Fit: Direct replacement with no modifications required
• Complete Assembly: Includes all gaskets, seals, and mounting hardware

Comprehensive Engine Application Guide

N20B20 Engine Applications (2012-2018)

Power Variants:

• 184HP/135kW: 320i, 420i variants
• 245HP/180kW: 328i, 428i, 528i variants
• 241HP/177kW: xDrive28i SUV applications

Chassis Code Applications:

• F30 Sedan: 320i, 328i (RWD/AWD)
• F31 Touring: 320i, 328i (RWD/AWD)
• F34 Gran Turismo: 320i, 328i (RWD/AWD)
• F32 Coupe: 420i, 428i (RWD/AWD)
• F33 Convertible: 420i, 428i (RWD/AWD)
• F36 Gran Coupe: 420i, 428i (RWD/AWD)

N26B20 Engine Applications (SULEV Markets)

Specific Market Applications:

• CARB Compliant: California emissions standard
• PZEV Rating: Partial Zero Emission Vehicle certification
• Advanced Emissions: Enhanced catalytic converter systems
• Market Specific: Primarily US West Coast applications

Common Problems This Part Solves

BMW N20 Valve Cover Oil Leak Issues

The BMW N20 engine is known for valve cover and gasket leak problems, making this a critical maintenance item for reliability.

Symptoms of Failed Valve Cover/Gasket

• ❌ Visible Oil Leaks: Oil pooling under vehicle, especially after parking
• ❌ Burning Oil Smell: Oil dripping onto hot exhaust components
• ❌ Engine Bay Oil Residue: Oil coating on engine components and heat shields
• ❌ Low Oil Levels: Frequent need to top off engine oil
• ❌ Oil Loss Under Hood: Visible oil staining around valve cover perimeter
• ❌ Check Engine Light: PCV system faults from compromised sealing

Benefits of Complete Assembly Replacement

• ✅ Eliminates Oil Leaks: Professional-grade sealing prevents all leak paths
• ✅ Restored Engine Cleanliness: Clean engine bay improves resale value
• ✅ Prevents Fire Hazards: No oil dripping onto hot exhaust components
• ✅ Maintains Oil Levels: Proper sealing preserves engine lubrication
• ✅ System Integration: Complete PCV function maintains engine health
• ✅ Long-Term Reliability: Quality materials prevent repeat failures

Make	Model	Variant	Type	Engine	Chassis	Year
BMW	3 Series	Diesel Convertible	325d	2993cc 150KW 204HP N57 D30 A	RWD E93	2009-2013
BMW	3 Series	Diesel Convertible	330d	2993cc 180KW 245HP N57 D30 A	RWD E93	2009-2013
BMW	3 Series	Diesel Coupe	325d	2993cc 150KW 204HP N57 D30 A	RWD E92	2009-2013
BMW	3 Series	Diesel Coupe	330d	2993cc 180KW 245HP N57 D30 A	RWD E92	2009-2013
BMW	3 Series	Diesel Coupe	330d xDrive	2993cc 180KW 245HP N57 D30 A	AWD E92	2010-2013
BMW	3 Series	Diesel Coupe	330xd	2993cc 180KW 245HP N57 D30 A	AWD E92	2008-2010
BMW	3 Series	Diesel Estate	325d	2993cc 150KW 204HP N57 D30 A	RWD E91	2010-2012
BMW	3 Series	Diesel Estate	330d	2993cc 155KW 211HP M57 D30 (306D3);N57 D30 A	RWD E91	2005-2012
BMW	3 Series	Diesel Estate	330d	2993cc 180KW 245HP N57 D30 A	RWD E91	2008-2012
BMW	3 Series	Diesel Estate	330d xDrive	2993cc 180KW 245HP N57 D30 A	AWD E91	2009-2012
BMW	3 Series	Diesel Estate	335d xDrive	2993cc 230KW 313HP N57 D30 B	AWD F31	2013-2019
BMW	3 Series	Diesel Hatchback	335d xDrive	2993cc 230KW 313HP N57 D30 B	AWD F34	2014-2020
BMW	3 Series	Diesel Saloon	325d	2993cc 150KW 204HP N57 D30 A	RWD E90	2010-2011
BMW	3 Series	Diesel Saloon	330d	2993cc 155KW 211HP M57 D30 (306D3);N57 D30 A	RWD E90	2005-2011
BMW	3 Series	Diesel Saloon	330d	2993cc 180KW 245HP N57 D30 A	RWD E90	2008-2011
BMW	3 Series	Diesel Saloon	330d xDrive	2993cc 180KW 245HP N57 D30 A	AWD E90	2008-2011
BMW	3 Series	Diesel Saloon	335d xDrive	2993cc 230KW 313HP N57 D30 B	AWD F30,F80	2013-2018
BMW	4 Series	Diesel Convertible	435d xDrive	2993cc 230KW 313HP N57 D30 B	AWD F33,F83	2014-2020
BMW	4 Series	Diesel Coupe	435d xDrive	2993cc 230KW 313HP N57 D30 B	AWD F32,F82	2013-2020
BMW	5 Series	Diesel Estate	525d	2993cc 150KW 204HP N57 D30 A	RWD F11	2010-2011
BMW	5 Series	Diesel Estate	530d	2993cc 180KW 245HP N57 D30 A	RWD F11	2010-2011
BMW	5 Series	Diesel Estate	530d	2993cc 190KW 258HP N57 D30 A	RWD F11	2011-2017
BMW	5 Series	Diesel Estate	535d	2993cc 220KW 299HP N57 D30 B	RWD F11	2010-2011
BMW	5 Series	Diesel Estate	535d	2993cc 230KW 313HP N57 D30 B	RWD F11	2011-2017
BMW	5 Series	Diesel Estate	535d xDrive	2993cc 230KW 313HP N57 D30 B	AWD F11	2011-2017
BMW	5 Series	Diesel Hatchback	530d	2993cc 155KW 211HP N57 D30 A	RWD F07	2010-2017
BMW	5 Series	Diesel Hatchback	530d	2993cc 180KW 245HP N57 D30 A	RWD F07	2009-2012
BMW	5 Series	Diesel Hatchback	530d	2993cc 190KW 258HP N57 D30 A	RWD F07	2012-2017
BMW	5 Series	Diesel Hatchback	530d xDrive	2993cc 180KW 245HP N57 D30 A	AWD F07	2010-2012
BMW	5 Series	Diesel Hatchback	535d	2993cc 220KW 299HP N57 D30 B	RWD F07	2010-2012
BMW	5 Series	Diesel Hatchback	535d	2993cc 230KW 313HP N57 D30 B	RWD F07	2012-2017
BMW	5 Series	Diesel Hatchback	535d xDrive	2993cc 220KW 299HP N57 D30 B	AWD F07	2010-2012
BMW	5 Series	Diesel Hatchback	535d xDrive	2993cc 230KW 313HP N57 D30 B	AWD F07	2012-2017
BMW	5 Series	Diesel Saloon	525d	2993cc 150KW 204HP N57 D30 A	RWD F10	2010-2011
BMW	5 Series	Diesel Saloon	530d	2993cc 180KW 245HP N57 D30 A	RWD F10	2010-2011
BMW	5 Series	Diesel Saloon	530d	2993cc 190KW 258HP N57 D30 A	RWD F10	2011-2016
BMW	5 Series	Diesel Saloon	535d	2993cc 220KW 299HP N57 D30 B	RWD F10	2010-2011
BMW	5 Series	Diesel Saloon	535d	2993cc 230KW 313HP N57 D30 B	RWD F10	2011-2016
BMW	5 Series	Diesel Saloon	535d xDrive	2993cc 230KW 313HP N57 D30 B	AWD F10	2011-2016
BMW	6 Series	Diesel Convertible	640d	2993cc 230KW 313HP N57 D30 B	RWD F12	2011-2018
BMW	6 Series	Diesel Convertible	640d xDrive	2993cc 230KW 313HP N57 D30 B	AWD F12	2012-2018
BMW	6 Series	Diesel Coupe	640d	2993cc 230KW 313HP N57 D30 B	RWD F13	2011-2017
BMW	6 Series	Diesel Coupe	640d	2993cc 230KW 313HP N57 D30 B	RWD F06	2012-2018
BMW	6 Series	Diesel Coupe	640d xDrive	2993cc 230KW 313HP N57 D30 B	AWD F13	2012-2017
BMW	6 Series	Diesel Coupe	640d xDrive	2993cc 230KW 313HP N57 D30 B	AWD F06	2013-2018
BMW	7 Series	Diesel Saloon	730d	2993cc 155KW 211HP N57 D30 A	RWD F01,F02,F03,F04	2008-2015
BMW	7 Series	Diesel Saloon	730d	2993cc 180KW 245HP N57 D30 A	RWD F01,F02,F03,F04	2008-2012
BMW	7 Series	Diesel Saloon	740d	2993cc 225KW 306HP N57 D30 B	RWD F01,F02,F03,F04	2009-2012
BMW	7 Series	Diesel Saloon	740d	2993cc 230KW 313HP N57 D30 B	RWD F01,F02,F03,F04	2012-2015
BMW	7 Series	Diesel Saloon	740d xDrive	2993cc 225KW 306HP N57 D30 B	AWD F01,F02,F03,F04	2010-2012
BMW	7 Series	Diesel Saloon	740d xDrive	2993cc 230KW 313HP N57 D30 B	AWD F01,F02,F03,F04	2012-2015
BMW	X3	Diesel SUV	xDrive 30 d	2993cc 155KW 211HP N57 D30 A	AWD F25	2011-2017
BMW	X3	Diesel SUV	xDrive 30 d	2993cc 183KW 249HP N57 D30 A	AWD F25	2011-2017
BMW	X3	Diesel SUV	xDrive 30 d	2993cc 190KW 258HP N57 D30 A	AWD F25	2011-2017
BMW	X3	Diesel SUV	xDrive 30 d	2993cc 204KW 277HP N57 D30 A	AWD F25	2016-2017
BMW	X3	Diesel SUV	xDrive 30 d	2993cc 210KW 286HP N57 D30 A	AWD F25	2011-2016
BMW	X3	Diesel SUV	xDrive 35 d	2993cc 230KW 313HP N57 D30 B	AWD F25	2011-2017
BMW	X4	Diesel SUV	xDrive 30 d	2993cc 190KW 258HP N57 D30 A	AWD F26	2014-2018
BMW	X4	Diesel SUV	xDrive 30 d	2993cc 204KW 277HP N57 D30 A	AWD F26	2014-2018
BMW	X4	Diesel SUV	xDrive 30 d	2993cc 210KW 286HP N57 D30 A	AWD F26	2014-2018
BMW	X4	Diesel SUV	xDrive 35 d	2993cc 230KW 313HP N57 D30 B	AWD F26	2014-2018
BMW	X5	Diesel SUV	xDrive 30 d	2993cc 155KW 211HP M57 D30 (306D3);N57 D30 A	AWD E70	2008-2013
BMW	X5	Diesel SUV	xDrive 30 d	2993cc 180KW 245HP N57 D30 A	AWD E70	2010-2013
BMW	X5	Diesel SUV	xDrive 40 d	2993cc 225KW 306HP N57 D30 B	AWD E70	2010-2013
BMW	X5	Diesel SUV	xDrive 40 d	2993cc 230KW 313HP N57 D30 B	AWD F15,F85	2013-2018
BMW	X6	Diesel SUV	xDrive 30 d	2993cc 155KW 211HP N57 D30 A	AWD E71,E72	2010-2014
BMW	X6	Diesel SUV	xDrive 30 d	2993cc 173KW 235HP M57 D30 (306D3)	AWD E71,E72	2008-2010
BMW	X6	Diesel SUV	xDrive 30 d	2993cc 180KW 245HP N57 D30 A	AWD E71,E72	2010-2014
BMW	X6	Diesel SUV	xDrive 40 d	2993cc 225KW 306HP N57 D30 B	AWD E71,E72	2009-2014
BMW	X6	Diesel SUV	xDrive 40 d	2993cc 230KW 313HP N57 D30 B	AWD F16,F86	2014-2019
Make	Model	Variant	Type	Engine	Chassis	Year

Our SKU : TB11128507607_94

All our engine covers are OEM quality and reliable after market car parts.

Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.

If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Registration number in our live chat or contact form and our experts will gladly help!

BMW N20 Reliability Improvements

BMW N20 valve cover leak issues are a known problem requiring expert solutions, making quality replacement parts essential:

• Enhanced Materials: Superior polymer compounds resist heat degradation
• Improved Gasket Design: Advanced sealing profile eliminates leak paths
• Integrated Solutions: Complete assembly prevents multiple failure points
• Professional Grade: Higher quality than basic aftermarket alternatives

Long-Term Engine Protection

• Oil System Integrity: Maintains proper crankcase pressure and ventilation
• Emission Compliance: Proper PCV function maintains emission standards
• Engine Cleanliness: Prevents oil contamination of intake and exhaust systems
• Component Protection: Prevents oil damage to heat-sensitive components

Maintenance & Troubleshooting

Preventive Maintenance Schedule

• Visual Inspection: Check valve cover area every oil change
• PCV System: Monitor for proper crankcase ventilation function
• Oil Level Monitoring: Watch for unexplained oil consumption
• Replacement Interval: Typically every 80,000-120,000 miles

Diagnostic Information

• Common Fault Codes: Various PCV and emissions-related codes
• BMW ISTA Diagnosis: Professional diagnostic tool compatibility
• Pressure Testing: Crankcase pressure testing capabilities

Why Choose GlobalCarPart for BMW Engine Components?

BMW Engineering Expertise

• 🔧 N20 Specialists: Deep understanding of BMW turbo engine requirements
• 🔧 Quality Focus: OEM-grade parts that match original specifications
• 🔧 Technical Support: Expert guidance for complex BMW systems
• 🔧 BMW Community: Serving UK BMW owners with premium parts

Customer Protection & Service

• 🛡️ Extended Warranty: 3-year coverage on engine components
• 🛡️ Fast UK Delivery: Express shipping for urgent repairs
• 🛡️ Technical Helpline: BMW specialist support team
• 🛡️ Quality Guarantee: 100% satisfaction or money-back promise
• 🛡️ Professional Accounts: Trade pricing for BMW service centers

Performance & Reliability Benefits

Engine System Optimization

• Proper Ventilation: Restored PCV function maintains engine health
• Oil System Integrity: Prevents contamination and maintains viscosity
• Emission Performance: Proper crankcase ventilation supports catalytic converters
• Long-Term Reliability: Quality materials prevent premature failures

Cost-Effective Solution

• Prevents Engine Damage: Oil leaks can cause expensive component failures
• Maintains Warranty: Quality parts don't void BMW warranty coverage
• Resale Value: Clean, well-maintained engine bay improves vehicle value
• Insurance Protection: Prevents fire hazard claims from oil leaks

Frequently Asked Questions

Q: What's the difference between part numbers 11128507607 and 11127588412?
A: These are revision updates from BMW. The newer part number 11128507607 includes design improvements and replaces the earlier 11127588412.

Q: Does this include the PCV components?
A: Yes, this is a complete valve cover assembly with integrated PCV (Positive Crankcase Ventilation) components built in.

Q: Will this fix oil leaks around the valve cover area?
A: Yes, this complete assembly with new gaskets eliminates the common oil leak problems associated with BMW N20 engines.

Q: Is this compatible with both N20 and N26 engines?
A: Yes, this valve cover fits both N20 and N26 engines, which are essentially the same with different emission calibrations.

Q: Do I need to replace other components when installing this?
A: We recommend replacing spark plugs and inspecting ignition coils while the valve cover is removed, as these components are easily accessible.

Q: How long should this valve cover last?
A: With quality installation, this valve cover should provide 80,000-120,000 miles of service, similar to OEM expectations.