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.
- 【Wide Range Of Compatible Models】This 11517586925 water pump is suitable for a variety of BMW models, including 2008-2013 128i Convertible (E88), 328i series (E92, E93, E90, E91) and 528i, 530i, etc., to ensure that owners have a wider range of choices between different models, to enhance applicability
- 【Replacement Part Number】11517586925 11517563183 11517546994 11517586924;11537549476 11537536655 and 11537544788
- 【Efficient Cooling and Temperature Control】 The equipped thermostat monitors the engine temperature in real time and automatically adjusts the coolant flow to ensure that the engine always operates within the optimal operating temperature range, improving the overall engine performance and preventing overheating or insufficient cooling
- 【Reduced Emissions and Improved Efficiency】 The 11517586925 electric water pump design significantly reduces emissions while improving engine efficiency. Through more precise cooling control, the kit helps to improve fuel economy, bringing a more environmentally friendly driving experience to vehicle owners
- 【Easy Installation and Maintenance】The electric water pump is designed to meet OEM standards and is easy to install, allowing the owner or mechanic to quickly complete the installation and maintenance, saving time and labor costs and enhancing the user experience
- 【VEHICLE FITMENT - 3 SERIES】 Compatible with BMW 328i (2007-2013). Compatible with 328i xDrive / 328xi (2007-2013). Compatible with 325i / 325xi / 330i / 330xi (2006). Compatible with 323i (2006-2011). (Fits E90 / E91 / E92 / E93 Chassis with Naturally Aspirated N51/N52 Engine ONLY. Does NOT fit 335i Turbo models).
- 【VEHICLE FITMENT - X SERIES & Z4】 Compatible with BMW X3 (2007-2010). Compatible with X5 3.0si (2007-2010). Compatible with Z4 (2006-2008 & 2009-2011 3.0i/3.0si). Compatible with 128i (2008-2013). Compatible with 528i / 525i / 530i (2006-2010).
- 【PREVENT OVERHEATING】 Stop the "Red Warning". The factory water pump on N52 engines is notorious for failing around 60k miles due to internal electronics cracking, leaving you stranded in "Limp Mode." The VeloCore pump uses an Upgraded Controller Board and heat-resistant resin to withstand the high operating temperatures of the magnesium engine block, ensuring reliable coolant flow.
- 【COMPLETE COOLING SOLUTION】 Replace Both at Once. When the water pump fails, the thermostat is usually next (or already stuck). This kit includes: 1x Electric Water Pump (OE 11517586924) and 1x Engine Coolant Thermostat (OE 11537549476). Replacing both components simultaneously saves hours of labor and prevents future breakdowns.
- 【REPLACES OE NUMBERS】 Exact Fit. Water Pump replaces: 11517586924, 11517546994, 11517521584, 11517563183, 11510392553. Thermostat replaces: 11537549476, 11537536655. Designed for Plug-and-Play installation with no ECU coding required.
- Direct OE Replacement: Designed to replace your water pump and thermostat using OE numbers 11517521584, 11517546994, 11517563183, and 11517586924.
- Proven Performance: Extensively tested for safety and performance to ensure a reliable fit and function.
- Durable & Corrosion-Resistant: Constructed with robust materials to resist corrosion and withstand harsh engine conditions.
- Complete Installation Kit: Package includes 1 Electric Engine Water Pump and 1 Thermostat, providing a full solution for your vehicle.
- Warranty & Support: Backed by a 90-day warranty, ensuring peace of mind for owners, professional mechanics, and service centers.
- 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.
- 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 Audi, Porsche, Volkswagen, BMW, Mini, Dodge and Freightliner Sprinter, Jaguar, Land Rover V8 and Diesel, Mercedes-Benz, SAAB, Volvo, Tesla, Smart and other European vehicles that require a BLUE Silicate-Enhanced Hybrid Organic Acid Technology (Si-HOAT) 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.
- 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, 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
*Options last updated on 2026-02-26 at 23:20.