• Suitable for: 
BMW 
325 d (E90/91/92/93) 2010+ N57D30A
330 d (E90/91/92/93) (PR91/UY91/WA91/WM91/KK71/DY71) 2008+ N57D30A
330 d (F30/F31) (3E51/3L51) 2012+
330 d xDrive (E92) 2010+
430 d xDrive (F32) (3S31) Automat 2014+ N57D30A
430 d xDrive (F36) (4C31) Automat 2014+ N57D30A
525 d (F10/11) 2010+ N57D30A 
530 d (F10/11) 2010+ N57D30A 
530 d GT (F07) 2009+ N57D30A
530 d GT xDrive (F07) 2010+ N57D30A
530 d xDrive (F10) (5D31) Ex. Webasto 2013+  N57D30A
530 d xDrive (F10/11) (FV31/MW91) 2011+ N57D30A
530 d xDrive (F11) (5K31) Ex. Webasto 2013+ N57D30A
730 d xDrive (F01) (YC41) Automat 2012+ N57D30A
X5 xDrive 30d (E70) (ZW41) 2010+

Power cable kit is not included that can be purchased here: https://www.ebay.com/itm/122889337411

DEFA is a Norwegian company founded in 1946 that leads the car preheating industry.

  • Engine codes: N57D30A
  • Part number: DEFA 414838
  • Part: Engine Coolant Heater Element + Mounting Kit +  Instructions.
  • Voltage: ≈230 Volts AC
  • Power: 300 Watts
This engine heater is made to preheat your car engine in cold weather before starting it.
Engine preheating reduces toxic emissions, reduces wear on the engine, the car consumes less fuel and
supplies warm air to interior quicker.

It works with a stationary car by using a ≈230 Volt AC power supply via cable in your parking location, house, office, etc. 
Each heater is designed for each different car model, providing the best possible results.
See last pictures for technical specifications!!!


This is not for your car? Visit our store to find correct heater element for your engine.

Important before you buy:

Be 100% sure that the item match your requirements and that your delivery address is correct.

Feel free to ask for any additional info prior to buying the item.

Shipping information:

WORLDWIDE SHIPPING!!!

We always ship registered priority mail with tracking number. Shipping to Europe takes 7-15 days to other countries 14-38 days, depending on your countries customs procedures.

Handling time 5 days, but usually we handle same or next day after clear payment.

After purchase:

If you are happy with your purchase please don't forget to share it by leaving positive feedback.

If you feel that we deserve a neutral or negative feedback, please, CONTACT US before leaving any feedback, give us a chance to make things right.

If you have any questions, feel free to contact us via eBay messaging system :)

We have more DEFA / CALIX / Eberspacher / Webasto parts! Check our other items!