Thermostat 105°C (N42, N46, N46) (BMW 1 Series E81/E87 / 3 Series E46 / E90 / 5 Series E60 / X1 E84 / X3 E83 / Z4 E85/E86)

R1326.50

BB Store Credit Earn PreviewEarn approx. R33.16 BB Store Credit1% base • +1% payday • +0.5% weekend. Added after successful checkout and available for your next order.
Payflex Peach PAYMENTS Yoco
Brits Brothers SupportNeed help with this part?Fitment, stock, courier and returns help.
WhatsApp
Use Sales Desk, or choose a rotating WhatsApp support line.
Premium System

Complete Repair Package

Open the package builder to choose your vehicle and repair area. It only loads after click.

Thermostat 105°C (N42 N46 N46) (BMW 1 Series E81/E87 / 3 Series E46 / E90 / 5 Series E60 / X1 E84 / X3 E83 / Z4 E85/E86) is designed for specified BMW models, ensuring proper engine temperature regulation at 105°C

Fitment Check
RepairMatch™ Fitment
Confirm this part against your vehicle before you order.
Check Fitment
Opens fitment page
Store Credit Deal
ThunderDeal™ Negotiator
Make a serious online offer and turn the approved value into BB Store Credit.
Open Negotiator
Shortcode page
Repair Package
Complete Repair Bundle
Build a matching repair package using this part as the starting point.
Build Bundle
Opens bundle page
Vehicle Search
Vehicle Parts Finder
Search by vehicle and find related parts faster.
Find Vehicle Parts
Opens finder page

Thermostat 105°C (N42 N46 N46) (BMW 1 Series E81/E87 / 3 Series E46 / E90 / 5 Series E60 / X1 E84 / X3 E83 / Z4 E85/E86) is listed as an auto-part option. Confirm fitment, part number and compatibility before purchase, especially where vehicle-specific matching is required.

Thermostat 105°C (N42, N46, N46) (BMW 1 Series E81/E87 / 3 Series E46 / E90 / 5 Series E60 / X1 E84 / X3 E83 / Z4 E85/E86) is a crucial cooling system component designed for several BMW models, including the 1 Series, 3 Series, 5 Series, X1, X3, and Z4 within the specified chassis codes. The thermostat regulates engine temperature by controlling coolant flow to the radiator, opening at 105°C to maintain optimal operating temperature.

This unit suits BMW engines from the N42 and N46 series, ensuring compatibility across multiple vehicle lines. When replacing the thermostat, it is important to verify that the old part matches this 105°C closing temperature and engine model to avoid overheating or inefficient engine warming. This part is key for engine thermal management and impacts heating performance and engine efficiency.

Buyers should compare their existing thermostat’s temperature rating and fitment details to this listing and check for the correct model codes: E81, E87, E46, E90, E60, E84, E83, E85, and E86. If unsure about this part’s fit or specifications, contacting the sales desk or submitting a request for part clarification is recommended.

  • Controls coolant flow based on engine temperature
  • Operates at 105°C for N42 and N46 BMW engines
  • Fits multiple BMW series and chassis codes

Need help matching this item to your vehicle? Use more Thermostat, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.

SKU: BB-252321 Category: Tags: , , , , , Brand:

Frequently Asked Questions

Confirm fitment before ordering
Quick answers before you order. If anything is unclear, confirm fitment first using your VIN or part number and avoid mistakes.
Helpful product answers
What vehicles are compatible with the Thermostat 105°C (N42, N46, N46)?
This thermostat is designed for specific BMW models including the 1 Series E81/E87, 3 Series E46 and E90, 5 Series E60, X1 E84, X3 E83, and Z4 E85/E86. It fits engines with N42 and N46 configurations. Always verify your vehicle’s engine code before purchase to ensure compatibility.
What is the operating temperature of this BMW thermostat?
The thermostat opens at 105°C, which helps regulate the engine temperature efficiently. This temperature setting ensures optimal engine performance and prevents overheating by controlling coolant flow. It is specifically calibrated for the BMW engines listed in the product description.
Can I install this thermostat myself or should I seek professional help?
While some experienced DIYers may install a thermostat, it is recommended to have a qualified mechanic handle the installation. Proper installation ensures the thermostat functions correctly and prevents potential engine damage. If you need assistance, consider contacting our Trade Partners for professional service.
What should I do if the thermostat fails or causes engine overheating?
If you experience engine overheating or suspect thermostat failure, stop driving immediately to avoid damage. Have the thermostat inspected and replaced if necessary by a professional. For replacement parts or further assistance, you can request a part through our website or contact us directly via WhatsApp.
Is this thermostat a genuine BMW part or an aftermarket product?
The product details do not specify if this thermostat is an original BMW part or an aftermarket equivalent. It is designed to meet the required specifications for the listed BMW models. For assurance on authenticity or warranty, please reach out to our Trade Partners or customer service.
How can I request a replacement part if this thermostat is faulty?
If you need to request a replacement part, please use our dedicated request form available at Request a Part. Our team will assist you promptly to ensure you receive the correct component. For any further queries, contacting us via WhatsApp is also an efficient option.
Chat to a Parts ExpertRequest a PartGet the App