Coolant Expansion Tank - OEM - E31 E38 E39 V8 & V12 - 17111741167

OE Replacement for your aged or damaged expansion tank

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Price:
$48.99

This is an OE (original equipment) coolant expansion tank made by Behr / Hella, the original supplier to BMW. If you are looking for a good balance between quality and affordability, this replacement tank is ideal to fix your aged, cracked, leaking, totally failed coolant expansion tank on your V8 or V12 model BMW 5, 7, 8 series or late production Z8. 
 
The recommended replacement interval is 100,000 miles on these E38 /E39 540i expansion tanks. That's because the plastic is known to get brittle and fragile with age, mileage, and thousands of heat cycles (cold to hot to cold again). Eventually the plastic gets so brittle cracks or holes form, and you'll either get a slow leak or a blow-out that leaves your 540i / 740i / 8 series on the side of the road, overheating. Replace this expansion tank preventatively and you can avoid this type of breakdown. This is a great part to replace while doing a cooling system flush or overhaul.

This Expansion Tank is found on these BMW Models:
BMW 540i 1997-2003 
BMW 740i 1995-2001 
BMW 740iL 1995-2001 
BMW 750iL 1995-2001 
BMW 840Ci 1994-1997 
BMW 850i 1991-1992  
BMW 850Ci 1993-1997  
BMW 850CSi 1994-1995 
BMW Z8 2003 

BMW Fitments:

5 Series
E39 (97-03) > 540i
7 Series
E38 (95-01) > 740i
E38 (95-01) > 740iL
E38 (95-01) > 750iL
8 Series
E31 (91-97) > 840Ci
E31 (91-97) > 850CSi
E31 (91-97) > 850Ci
E52 Z8 (00-03) > Z8 Roadster (2000-2003)
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