MMR Billet Aluminium Oil Thermostat Cover Lid & Caps Kit for BMW N54 N55 S55 | CNC T6061, Anodised, OE-Style Fitment, Optional 1/8 NPT Gauge Adaptor
MMR Billet Aluminium Oil Thermostat Cover Lid & Caps Kit for BMW N54 N55 S55 | CNC T6061, Anodised, OE-Style Fitment, Optional 1/8 NPT Gauge Adaptor
MMR Billet Aluminium Oil Thermostat Cover Lid & Caps Kit for BMW N54 N55 S55 | CNC T6061, Anodised, OE-Style Fitment, Optional 1/8 NPT Gauge Adaptor
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  • Load image into Gallery viewer, MMR Billet Aluminium Oil Thermostat Cover Lid & Caps Kit for BMW N54 N55 S55 | CNC T6061, Anodised, OE-Style Fitment, Optional 1/8 NPT Gauge Adaptor
  • Load image into Gallery viewer, MMR Billet Aluminium Oil Thermostat Cover Lid & Caps Kit for BMW N54 N55 S55 | CNC T6061, Anodised, OE-Style Fitment, Optional 1/8 NPT Gauge Adaptor

MMR Billet Aluminium Oil Thermostat Cover Lid & Caps Kit for BMW N54 N55 S55 | CNC T6061, Anodised, OE-Style Fitment, Optional 1/8 NPT Gauge Adaptor

£87.35
£87.35
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Heads-up on cancellations & returns: if you cancel an order or return an item, you won't get back 100% of what you paid. We apply a 10% restocking fee, the outbound shipping is non-refundable, and we have to pass on Shopify / PayPal payment processing fees; these aren't returned to us when we refund you. International orders also lose on exchange-rate spread in both directions. If the original packaging is damaged or missing, a reboxing charge applies. For international orders specifically, if you refuse to pay our shipping invoice or supply a prepaid label after placing the order, the same deductions apply. We're upfront about this — please be sure of your purchase before ordering.

MMR Oil Thermostat Lid and Caps with Gauge Adaptor for BMW N54, N55 and S55

Give your BMW engine bay an OEM-plus finish with the MMR oil thermostat lid and caps kit. Manufactured from T6061 billet aluminium and precision CNC machined, this thermostat dress up kit replaces the dull OE thermostat cover on BMW N54, N55 and S55 engines with a high-quality, premium look that complements performance builds and clean show cars alike.

Designed for enthusiasts, this MMR thermostat cover upgrade is all about quality, fit and finish. Installation is straightforward, and the transformation is immediate. We run this kit on our own cars and our customers love the clean, factory-style aesthetic with a motorsport edge.

Why choose this MMR thermostat cover kit

  • CNC machined from T6061 billet aluminium for strength, accuracy and a flawless finish
  • Engine bay dress up kit that elevates the OE thermostat housing cover and caps
  • Optional 1/8 NPT gauge adaptor for easy fitment of an oil pressure sensor or oil temperature gauge
  • Direct OE-style fitment for BMW N54, N55 and S55 engines
  • Easy DIY install with a premium anodised finish that looks great in any bay

Perfect for

  • BMW N54 thermostat cover upgrade
  • BMW N55 thermostat cap and lid replacement
  • BMW S55 thermostat housing cosmetic upgrade
  • Oil temperature gauge or oil pressure sensor installs using the 1/8 NPT adaptor

Compatibility

Fits BMW models equipped with the N54, N55 and S55 engines. If you are unsure about compatibility, contact us and we will be happy to help.

Gauge adaptor option

If you plan to add an oil pressure sensor or oil temperature gauge, select the optional extra piece with a 1/8 NPT thread. This provides a clean, reliable port for your sensor or sender without additional adapters.

Nforcd fitting and support

Want it fitted professionally? We can install this MMR oil thermostat lid and caps at Nforcd in Warwickshire. Request a fitting quote at Sales@nforcd.com.

Notes

As with all anodised aluminium components, if these parts are exposed to excessive heat for prolonged periods, the finish may be affected over time. This is normal and unavoidable with anodised products.

Search-friendly highlights

BMW N54 thermostat cover. BMW N55 thermostat cover. BMW S55 thermostat cover. MMR oil thermostat lid and caps. Billet aluminium thermostat housing cap. 1/8 NPT gauge adaptor for oil pressure sensor and oil temperature gauge. Engine bay dress up kit. CNC machined T6061 aluminium. OE-style fitment. Anodised aluminium finish.

Upgrade your thermostat cover today and give your BMW N54, N55 or S55 engine bay the premium MMR finish it deserves.