Home BMW E46 Radiator Coolant Overflow Expansion Tank with Sensor (1998–2006)

BMW E46 Radiator Coolant Overflow Expansion Tank with Sensor (1998–2006)

NOW $291.50
Or 4 interest-free payments of $72.87
In stock at 1 of our locations
🚛 Free NZ shipping
🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide

Description:
Replacing the expansion tank with sensor helps maintain correct coolant levels, preventing overheating and leaks while preserving OEM-style fit and function for BMW E46 models.

Features:
- Designed for BMW E46 1998-2006
- Includes sensor for accurate level monitoring
- Fits all E46 body styles and engine options

Includes:
1 x Radiator Coolant Overflow Expansion Tank with Sensor

Fits Models:
BMW E46

Model Years:
1998-2006

Submodels:
All E46 variants (sedan, coupe, convertible)

Engine Options:
1.9L, 2.0L, 2.2L, 2.5L, 2.8L, 3.0L

SEO keywords:
BMW E46 coolant tank, expansion tank with sensor, radiator overflow, BMW 1998-2006, E46 repair parts, radiator reservoir

Radiator Coolant Overflow Expansion Tank with Sensor - BMW E46 (1998-2006)

Shipping Information

Most orders land in 5–12 business days. We'll keep you updated at every step of the journey.


The Kren Bits journey:

  • Order received — Day 0
  • With fulfilment — Day 1–2
  • Heading to courier — Day 2–4
  • Shipped — Day 3–7
  • Almost there — Day 5–10
  • Delivered — Day 5–14

Where your part ships from:

Your order ships from the closest warehouse with available stock across our six-warehouse network — NZ, AU, TH, UK, US, and CN.


We email you at every real milestone — order received, with fulfilment, heading to courier, shipped, almost there, delivered. No chasing, no vague waits.


For more details, visit our Track Your Order page.

Product Enquiry

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