BMW Coolant Thermostat Assembly/Housing N52 N53 N54 (E-Chassis) - Genuine OEM/OE 11537549476 11 53 7 549 476 | Fits E82 E88 E90 E91 E92 E93 E60 E61 E89 | 135i 1M 335i 530i Z4 sDrive35i | Electric Water Pump Compatible Temperature Regulator/Valve

OE Thermostat Assembly for BMW N52 N53 N54 Engines — Part No. 11537549476

Restore stable engine temperature and reliable warm‑up with this factory original thermostat assembly. Designed for BMW straight‑six petrol engines with the ECU‑controlled electric coolant pump, it delivers consistent thermal management, proper cabin heat and dependable performance under daily driving and spirited use.

We fit this genuine unit on our own cars and across customer builds because it simply works. Expect steady coolant temps, smooth drivability and long‑term durability without the gamble of cheap pattern parts. Plug‑and‑play with OEM connectors and hoses, and a perfect match for the stock cooling system strategy.

Why this OE thermostat is the right choice

• Original equipment quality for precise temperature regulation and efficiency
• Direct swap with factory harness and pipework, no coding or modification
• Optimised for engines using the electric water pump and ECU control
• Improves fuel economy, emission control and heater performance by maintaining correct temp
• Proven by us and our customers on road cars and tuned applications alike

Part number

BMW: 11537549476 (also referenced as 11 53 7 549 476)

Vehicle coverage

Suited to a wide range of E‑series models equipped with the N52, N53 or N54 straight‑six. Typical fitments include:

• 1 Series E8x examples such as E82 135i and E82 1M
• 3 Series E9x including E90, E92 and E93 335i petrol
• 5 Series E6x such as E60 530i and related variants
• Z4 E89 sDrive35i and other six‑cylinder petrol models

If you are unsure, we will confirm suitability before shipping. Provide your UK registration or the last 7 of your VIN at checkout.

Professional installation

Want it fitted correctly the first time? Book expert installation with MJ Modifications in Warwickshire. Request a quote: info@mjmodifications.co.uk.

Manufacturer

BMW Genuine Part

Warranty

Two‑year manufacturer warranty for UK customers and one year for international customers when a VIN is supplied at checkout on compatible vehicles.

Search terms customers use

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