How much does a BMW water separator cost?

BMW water separator prices vary by model and condition: Used parts typically cost $50-$300, aftermarket $100-$500, and OEM $200-$800. Used parts offer the best savings while maintaining quality.

Can I install a BMW water separator myself?

Water Separator replacement difficulty: Varies. Estimated time: 1-4 hours. DIY-friendly with proper tools and instructions.

What are signs of a bad BMW water separator?

Common symptoms of a failing BMW water separator include: Poor performance, Warning lights, Unusual sounds. If you notice these signs, it's time to replace the water separator.

Which BMW models use the same water separator?

Many BMW models share water separator components across model years and platforms. Our search tool will show compatible parts for your specific BMW model and year.

Where can I find a used BMW water separator?

Find used BMW water separator parts through our network of online sellers, local scrapyards, and junkyards. Use our search tool to compare prices from multiple sources and find the best deal.

Are used BMW water separator parts reliable?

Yes! Quality used BMW water separator parts from reputable sellers are tested and often come with warranties. Many used parts have significant life remaining and cost 50-70% less than new.

BMW Water Separator

BMW Water Separator - OEM & Used Parts

Find quality BMW water separator parts for all models at unbeatable prices. Save 50-70% compared to dealership prices.

Price Range:

Used

$50-$300

Aftermarket

$100-$500

OEM

$200-$800

50-70%

Average Savings

113+

BMW Models

30-90

Day Warranty

USA

Nationwide

BMW Water Separator by Model

Select your BMW model to find the exact water separator for your vehicle

About the BMW Water Separator

The water separator is an important component of your vehicle.

Signs of Failure

Know when your BMW water separator needs replacement:

Poor performance
Warning lights
Unusual sounds

Replacement Info

Replacement requirements vary by vehicle. Consult a professional for specific guidance.

Time: 1-4 hours

Difficulty: Varies

BMW Water Separator Price Comparison

BEST VALUE

Used Parts

$50-$300

50-70% savings
OEM quality
Tested & verified
Warranty available

Aftermarket

$100-$500

Brand new
Various brands
Good warranty
Easy availability

OEM New

$200-$800

Factory exact
Best warranty
Guaranteed fit
Highest quality

BMW Water Separator - FAQ

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BMW Water Separator - OEM & Used Parts

BMW Water Separator by Model

128i

135i

1602

1800

1M

2002

228i

230i

2500

2800

3.0

318i

320i

323i

325e

325i

328i

328i GT

330e

330i

330i GT

335i

335i GT

340i

340i GT

428i

430i

435i

440i

524TD

525i

528e

528i

530e

530i

533i

535i

535i GT

540i

545i

550e

550i

550i GT

630CSi

633CSi

635CSi

640i

640i GT

645Ci

650i

728

732

733i

735i

740e

740i

745e

745i

750e

750i

760i

840ci

840i

850i

ActiveE

ActiveHybrid 3

ActiveHybrid 5

ActiveHybrid 7

Alpina B6

Alpina B7

Alpina B8

Alpina XB7

I3

I4

I5

I7

I8

IX