OE/OEM BMW N54 Twin Turbocharger Replacement Kit - Direct-Fit Pair with Wastegate Actuators & Manifolds | E82 E88 E90 E91 E92 E93 E89 | 135i 335i 335xi 335is Z4 35i/35is (2006-2016)

Factory-spec twin turbos for BMW N54 engine with actuators and integrated manifolds

Bring your straight-six back to life with a complete bolt-on turbo set for the N54. This drop-in pair arrives pre-assembled with wastegate actuators and cast exhaust manifolds attached, making the swap cleaner, quicker and more reliable. Ideal for owners fixing wastegate rattle, smoke on boost or lazy spool, and for anyone refreshing a high-mileage 135i, 335i or Z4 35i.

We have fitted these units in-house and customer feedback has been excellent. Expect stock-like drivability, crisp boost response and the dependable performance you bought your BMW for in the first place.

Included in the box

• Matching pair of N54 turbos, one for cylinders 1 to 3 and one for cylinders 4 to 6
• Pre-set wastegate actuators already installed
• Cast exhaust manifolds attached for a true bolt-on installation

Why enthusiasts choose this N54 turbo set

• Direct bolt-on replacement for tired or noisy stock units
• Original-equipment quality and fit for factory reliability
• Actuators and manifolds fitted to reduce labour time and hassle
• Restores smooth spool, strong mid-range torque and consistent boost control
• Proven in our workshop with happy customers and OEM-like refinement

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Compatibility

Suits BMW models fitted with the N54 twin-turbo engine. Covers the following E-chassis applications and years:

• 1 Series
  • E82 Coupé 2006 to 2012 135i
  • E88 Convertible 2006 to 2012 135i
• 3 Series
  • E90 Saloon, E91 Touring, E92 Coupé, E93 Convertible 2006 to 2011 335i, 335xi, 335is
• Z Series
  • Z4 E89 Roadster 2008 to 2016 sDrive35i and sDrive35is

Installation notes

• Professional fitting strongly recommended
• Replace all single-use hardware and gaskets during installation
• We advise new oil feed and return lines, coolant lines and seals, fresh engine oil and filter, and BMW-approved coolant
• Consider fresh turbo inlet hoses while the assembly is accessible

Fitting and support

Need it installed properly the first time We can help. Book fitting with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Compatibility check before dispatch

We verify fitment against your vehicle details. Provide your UK registration number or the last 7 characters of your VIN at checkout.

Search-friendly terms customers use

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Order with confidence and restore the factory performance your N54 deserves.