A Step-by-Step Guide with Expert Tips
If you own a 2013 BMW N55 F30 335i, you may need to replace the water pump and thermostat at some point. While many videos and guides are available online, our guide is specifically tailored to the F30 chassis and provides step-by-step instructions to make the process as easy as possible. Whether a professional mechanic or a DIY enthusiast, this guide will help you confidently replace the water pump and thermostat.
A Comprehensive Guide to Replacing the Water Pump and Thermostat on a 2013 BMW N55 F30 335i
Before you start, you will need the following tools and parts:
– Socket wrench set
– Torque wrench
– Flathead screwdriver
– Hook tool
– New water pump and thermostat
– Coolant
– Three new stretch bolts
Removing the Old Water Pump and Thermostat
1. Remove the undertray from your car.
2. Disconnect the power connector from the water pump.
3. Undo the six-millimeter hose clamp and let the coolant drain.
4. Remove the second hose from the water pump.
5. Remove the three bolts from the water pump.
6. Remove the air tube and the second hose clamp from the thermostat.
7. Disconnect the electrical plug from the thermostat.
8. Remove the two quick disconnects from the thermostat.
9. Remove the last electrical plug from the thermostat.
10. Remove the old water pump and thermostat.
Installing the New Water Pump and Thermostat
1. Install the new thermostat and connect all the hoses and electrical plugs.
2. Install the new water pump with the three new stretch bolts.
3. Tighten the stretch bolts to 85-inch pounds and then an additional 90 degrees.
4. Fill the coolant and start the engine to ensure the new pump works.
Conclusion:
Replacing the water pump and thermostat on a 2013 BMW N55 F30 335i may seem daunting, but it’s a manageable project with the right tools and instructions. Whether you’re doing it for the first or the tenth time, our guide will help you confidently complete the task.
If you need to replace the water pump and thermostat on your 2013 BMW N55 F30 335i and don’t plan to use OEM parts, see below for multiple aftermarket options.
- Replace Numbers: Car Electric Water Pumps: 11517521584; 11517586924; 11517546994; 11517586925; 11517563183; 11517545201; 7.02851.20.8; Thermostat: 11537536655; 11537544788; 11537549476; Bolt: 11510392553; A2C59515257
- Water Pump for BMW: Automotive Water Pump fit for BMW 128i 2008-2013; BMW 323i 2006-2011; BMW 325i 2006; for BMW 328i 2007-2013; BMW 328i xDrive 2009-2013; BMW 328xi 2007-2008; BMW 330i 330xi 2006; BMW 528i 2008-2010, BMW 528i xDrive 2009-2010; BMW 528xi 2008; 530i 2006-2007;for BMW X3 2007-2010; BMW X5 2007-2010; BMW Z4 2006-2010 3.0L engine (Detail Application as Below)
- Thermostat Compatibility: Car thermostat for BMW E60 E61 525i 528Xi 535i xDrive Wagon 5series; E82 E88 128i 135i; E83 X3; E85 E89 Z4; E90 E91 E92 325Xi 330i 328iT 328i Coupe 335xi Coupe 3 series. Ensure compatibility by matching the engine size and model year with the part numbers
- Easy Installation with Complete Kit: The kit includes everything you need: 1 x Electric Engine Water Pump (pompe a eau), 1 x 11537536655 Thermostat, 3 x bolts, 1x wiring harness (as picture shown), 1 x electronic water pump Installation and Operation instruction, just follow the easy steps to restore your engine's cooling system and enjoy improved performance
- Built for Durability: This electric water pump and thermostat kit is made with high-quality materials to ensure long-lasting performance, even in extreme conditions. No more frequent replacements or unreliable parts
- Vehicle Fitment & OE Reference:Compatible with 128i, 323i, 325i, 328i, 330i, 528i, 530i, X3, X5, Z4 models for 2006-2013 E chassis with N52 2.5L/3.0L naturally aspirated inline-6 engines. Water Pump Replaces OE# 11517563183, 11517586925, 11517586924, 11517521584, 11517546994. Thermostat Replaces OE# 11537536655, 11537549476, 11537544788. NOT compatible with N54/N55 turbocharged engines
- Complete Cooling Repair Kit:Includes electric water pump assembly, integrated thermostat housing, factory-matched mounting bolts and wiring connector. All required components for full cooling system service are included in one package
- Durable OEM-Spec Construction:Water pump features reinforced aluminum housing and precision brushless DC motor. Thermostat uses high-temperature resistant PPS housing and factory-calibrated valve core, resistant to cracking and coolant leakage
- Direct Factory Replacement:Built to original equipment specifications, matching stock mounting positions and electrical connectors. No programming, modification or special tools required for standard installation
- 12-Month Limited Warranty:Backed by a 12-month limited warranty against manufacturing defects for all components in the kit. Suitable for both DIY owners and professional mechanics
- Accurate Fit & OE Reference: Compatible with BMW 128i, 328i, 528i, X1 xDrive28i, X3 3.0i, X5 3.0si, Z4 sDrive30i 2007-2013. Fits N51/N52/N52N 3.0L naturally aspirated engines only. Replaces OE# 11517521584, 11517586925, 11517546994, 11517563183. NOT for N54/N55 turbo engines
- Complete Installation Kit: Includes electric water pump assembly, mounting bolts and wiring harness connector. No extra parts need to be purchased separately, supporting direct plug-and-play replacement
- Premium Industrial Construction: Features high-strength composite housing, precision brushless DC motor and reinforced mechanical seal. Delivers stable coolant flow and long service life for naturally aspirated inline-6 engines
- Direct OEM Bolt-on Replacement: Manufactured in strict accordance with original factory specifications. Matches factory mounting positions and electrical connectors perfectly, no programming or adaptation needed
- 12-Month Limited Warranty: Covered by 12-month warranty against manufacturing defects. We provide fast refund or free replacement for all qualified defective items
- 1 GALLON ENGINE ANTIFREEZE/COOLANT: Fully compatible with other extended life antifreeze/coolants. This item contains a bittering agent called Denatonium Benzoate.
- PROTECTS: Advanced formulation prevents rust & corrosion protecting all cooling system components
- DESIGNED FOR EUROPEAN VEHICLES: Recommended for use with certain years of Audi, Mercedes, Porsche, VW, and other European vehicles that require a VIOLET silicate-enhanced organic acid technology (Si-OAT) formula
- GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection up to 150,000 miles or 5 years.
- CONCENTRATED FORMULA: Ideal for flushing, filling, or topping off your cooling system
- 1 GALLON ENGINE ANTIFREEZE/COOLANT: Fully compatible with other extended life antifreeze/coolants. This item contains a bittering agent called Denatonium Benzoate.
- PROTECTS: Advanced formulation prevents rust & corrosion protecting all cooling system components
- DESIGNED FOR EUROPEAN VEHICLES: Recommended for use with certain years of Audi, Mercedes, Porsche, VW, and other European vehicles that require a VIOLET silicate-enhanced organic acid technology (Si-OAT) formula
- GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection up to 150,000 miles or 5 years.
- 50/50 PREDILUTED FOR QUICK TOP OFFS: Already prediluted to make topping off your cooling system a breeze
- 1 GALLON ENGINE ANTIFREEZE/COOLANT: Fully compatible with other extended life antifreeze/coolants. This item contains a bittering agent called Denatonium Benzoate.
- PROTECTS: Advanced formulation prevents rust & corrosion protecting all cooling system components
- DESIGNED FOR EUROPEAN VEHICLES: Recommended for use with certain years of Audi, Fiat, Saab, and other European vehicles that require a PINK Silicate-Free Organic Acid Technology (OAT) formula
- GUARANTEED: When installed as part of a complete flush and fill, PEAK guarantees this coolant will provide service life protection of up to 150,000 miles or 5 years.
- CONCENTRATED FORMULA: Ideal for flushing, filling, or topping off your cooling system
*Options last updated on 2026-09-09 at 11:53.
