BMW N52 Engine Diagnostics/Problems – Everything You Need To Know (128i, 325i, 328i, 330i, 528i)

BMW N52 Engine Diagnostics/Problems – Everything You Need To Know (128i, 325i, 328i, 330i, 528i)

►This engine diagnostics video is part of our BMW E9X Ownership Series. Gareth Foley, our BMW Catalog Manager, covers the naturally aspirated BMW N52 engine, and with that, all of its major problems and how to diagnose them. In a later video, we will cover another one of BMW’s most well-known engines, the N55.

Some of the most common problems discussed are:
• What are the most common oil leaks on the N52 engine?
• What happens if I ignore these oil leaks on the N52 engine?
• What is Valvetronic and what are the associated problems?
• What is VANOS and what are the associated problems?
• How does the cooling system fail on the N52 engine?

BMW Crankshaft Seal Kit: https://www.fcpeuro.com/products/bmw-crankshaft-seal-replacement-kit-11117547842kt?utm_source=youtube&utm_medium=description&utm_campaign=mps%20e9x&utm_content=n52%20diag
BMW Valve Cover Gasket Kit v1: https://www.fcpeuro.com/products/bmw-valve-cover-gasket-kit-11127581215kt1?utm_source=youtube&utm_medium=description&utm_campaign=mps%20e9x&utm_content=n52%20diag
BMW Valve Cover Gasket Kit v2: https://www.fcpeuro.com/products/bmw-valve-cover-gasket-kit-11127582245kt?utm_source=youtube&utm_medium=description&utm_campaign=mps%20e9x&utm_content=n52%20diag
Valvetronic Eccentric Shaft: https://www.fcpeuro.com/products/bmw-eccentric-shaft-sensor-valvetronic-11377524879?utm_source=youtube&utm_medium=description&utm_campaign=mps%20e9x&utm_content=n52%20diag
Valvetronic Eccentric Actuator: https://www.fcpeuro.com/products/copy-of-bmw-camshaft-adjusting-unit-11377548388?utm_source=youtube&utm_medium=description&utm_campaign=mps%20e9x&utm_content=n52%20diag
Water Pump Replacement Kit : https://www.fcpeuro.com/products/bmw-water-pump-replacement-kit-n51-n52-n52n-oem-11517586925kit?utm_source=youtube&utm_medium=description&utm_campaign=mps%20e9x&utm_content=n52%20diag
Oil Filter House Gasket : https://www.fcpeuro.com/products/bmw-oil-filter-housing-gasket-kit-11428637821kt1?utm_source=youtube&utm_medium=description&utm_campaign=mps%20e9x&utm_content=n52%20diag
Camshaft Position Sensor: https://www.fcpeuro.com/products/bmw-engine-camshaft-position-sensor-s119445001z?utm_source=youtube&utm_medium=description&utm_campaign=mps%20e9x&utm_content=n52%20diag
Vanos Solenoid: https://www.fcpeuro.com/products/bmw-engine-valve-adjuster-11367585425?utm_source=youtube&utm_medium=description&utm_campaign=mps%20e9x&utm_content=n52%20diag
Valve Lifter: https://www.fcpeuro.com/products/bmw-cam-follower-inlet-oem-11337548690?utm_source=youtube&utm_medium=description&utm_campaign=mps%20e9x&utm_content=n52%20diag
Valve Lifter: https://www.fcpeuro.com/products/bmw-valve-lifter-ina-11337605330?utm_source=youtube&utm_medium=description&utm_campaign=mps%20e9x&utm_content=n52%20diag
BMW PCV Breather System Kit and Valve Cover: https://www.fcpeuro.com/products/bmw-pcv-breather-system-kit-11127552281kt?utm_source=youtube&utm_medium=description&utm_campaign=mps%20e9x&utm_content=n52%20diag

If you want to read more about BMW E9X chassis vehicles, we have a number of related articles on our blog. https://blog.fcpeuro.com/tag/e9x

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Comments

@fcpeuro says:

If you want to read more about BMW E9X chassis vehicles, we have a number of related articles on our blog. https://blog.fcpeuro.com/tag/e9x

@gnarlyishellagnarly says:

I didn't think it was a serpentine belt. I thought it was a chain?

@jb50-w3k says:

Just bought a Z4 E39, bit of a scary, but excellent video!

@rm0234 says:

N52 is also found in the e87 130i

@krackNsmackk says:

So glad i bought an 04 325i manual instead of a 2007 328i like my roommate did lol. His is still sitting in the garage broken down

@whlewis9164 says:

Not my engine, got an N55. I’m just here for high level sweaty BMW knowledge. FCP Euro vids and parts got me safely thru my first valve cover replacement. Thanks!

@theadmirer_ says:

What is the condensation element thing for part number?

@jasonlemons3045 says:

Wow ! Great video FCP

@yoonjeongsoo9378 says:

awesome n52 video

@OhItsJustDrew says:

This motor is cool and I’m thinking about getting a 128i, but it’s good to know that it’s basically constantly bleeding.

@TV-tv1eq says:

why on the N52b25, when the motor starts, it starts to tremble for 5-7 seconds, then it aligns and works as expected, could you tell me what the problem might be, since there is not a single error

@Flash-fw9mq says:

Just bought a 2008 328i, I am currently working on replacing all of these parts. Yes, it's a bit of a nightmare but thankfully I have been building my own cars for a few years and I do indeed have experience and understanding. This engine is an entirely different beast but when I finish it, I will enjoy the ride. I knew I was purchasing a challenge and I knew I was capable of saving it. Thanks for this video!

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