---
title: "n55 valve cover — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/n55-valve-cover"
last_updated: "2026-07-14T02:03:15.382Z"
locale: en
meta:
  description: "soft demand (-25.5% this quarter) — n55 valve cover doesn't clear our bar today."
  "og:description": "soft demand (-25.5% this quarter) — n55 valve cover doesn't clear our bar today."
  "og:title": "n55 valve cover — Niche Verdict: Skip it (48/100) | Amazon United States - Flapen"
---

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# **n55 valve cover**

**Skip it**

Soft demand (-25.5% this quarter) — this niche doesn't clear our bar today.

Market size 24Growth 12Conversion 80Competition 35Returns 25Price range 58Avg price 76Brand share 60Review moat 97Quality gap 97

**Quality gap**

**Incredible****3.8★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Incredible****68.79**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Great****8.3%**

search→purchase rate — share of searches ending in a sale

**Avg price**

**Great****$98.42**

avg listing price — sweet spot $15–$100

**Brand share**

**Good****69%**

top-5 brand share — brands hold most of the demand

**Price range**

**Good****$9.33–$156.76**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Competition**

**Okay****64%**

top-5 click share — leaders hold, buyers still browse

**Returns**

**Bad****6.0%**

return rate — above 6% kills the launch gate

**Market size**

**Bad****$96K**

$96K/yr · 12K searches

**Growth**

**Bad****-25.5%**

90-day search growth — must beat 0% to launch

## **Competition**

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**16 **▼falling

**Sellers**

**19**

**Top-5 brand share**

**69%**

**Open market**

**26%**

- Sumyola25% - MITZONE19% - A-Premium11% - Weonefit9% - JDMSPEED5% - BELKEBIR5%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$10K20%$19K30%$29K40%$38K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![SUMYOLA N55 Engine Valve Cover For BMW E71 E82 E90 F01 F10 F25 2011-2014 X3 xDrive35i X5 xDrive35i X6 xDrive35i 335i 535i 2013-2014 740i 2012-2014 640i 2011-2013 135i Replaces# 11127570292 11127587804](https://m.media-amazon.com/images/I/41To5ap+nvL.jpg)**SUMYOLA N55 Engine Valve Cover For BMW E71 E82 E90 F01 F10 F25 2011-2014 X3 xDrive35i X5 xDrive35i X6 xDrive35i 335i 535i 2013-2014 740i 2012-2014 640i 2011-2013 135i Replaces# 11127570292 11127587804**Sumyola**$74.07**4.3★87 rev](https://www.amazon.com/dp/B0BLH66YK6) [2![MITZONE N55 Engine Valve Cover with Gasket Bolts Kit & Oil Cap for BMW 2010-2017 335i 535i 2011-2019 X5 X3 X6 2013-2015 740i 740Li 3.0L Part# 11127570292](https://m.media-amazon.com/images/I/51rAK-EnniL.jpg)**MITZONE N55 Engine Valve Cover with Gasket Bolts Kit & Oil Cap for BMW 2010-2017 335i 535i 2011-2019 X5 X3 X6 2013-2015 740i 740Li 3.0L Part# 11127570292**MITZONE**$88.54**4.2★272 rev](https://www.amazon.com/dp/B08NPSWFJ9) [3![A-Premium N55 Engine Valve Cover Kit with Gasket & Bolt & Oil Cap Compatible with 2011-2019 BMW Model - 328i 335i 435i 530i 535i 640i 740i 740Li (xDrive) X3 X5 X6 3.0L Turbo Replace # 11127570292](https://m.media-amazon.com/images/I/41vzOnoNSKL.jpg)**A-Premium N55 Engine Valve Cover Kit with Gasket & Bolt & Oil Cap Compatible with 2011-2019 BMW Model - 328i 335i 435i 530i 535i 640i 740i 740Li (xDrive) X3 X5 X6 3.0L Turbo Replace # 11127570292**A-Premium**$95.64**4.0★169 rev](https://www.amazon.com/dp/B08HHCTQKJ) [4![Weonefit Upgraded Aluminum N55 Engine Valve Cover with Gasket Bolts Kit 11127570292 Replacement for BMW 335i 535i 2010-2017 740i 740Li 2013-2015 X3 X5 X6 2011-2019 3.0L OE# 11 12 7 570 292](https://m.media-amazon.com/images/I/41+sbinatrL.jpg)**Weonefit Upgraded Aluminum N55 Engine Valve Cover with Gasket Bolts Kit 11127570292 Replacement for BMW 335i 535i 2010-2017 740i 740Li 2013-2015 X3 X5 X6 2011-2019 3.0L OE# 11 12 7 570 292**Weonefit**$124.79**4.5★37 rev](https://www.amazon.com/dp/B0C2YMMRF4) [5![MITZONE Aluminum N55 Valve Cover Kit Compatible with BMW 2011-2019 X3 X5 X6 2010-2018 535i 335i 640i 2013-2015 740i 740Li 3.0L 4.4L 6.0L11127570292](https://m.media-amazon.com/images/I/41IC5YMPqhL.jpg)**MITZONE Aluminum N55 Valve Cover Kit Compatible with BMW 2011-2019 X3 X5 X6 2010-2018 535i 335i 640i 2013-2015 740i 740Li 3.0L 4.4L 6.0L11127570292**MITZONE**$156.57**4.2★272 rev](https://www.amazon.com/dp/B0C557T5LC)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![VANLISON N55 Engine Valve Cover Kit with Gasket Bolts & Oil Cap Compatible with BMW 135i 335i 535i 640i 740i X3 X5 X6 1 3 5 6 7 Series (2011-2018) Replaces OEM # 11127570292](https://m.media-amazon.com/images/I/51UX4VsTvBL.jpg)**VANLISON N55 Engine Valve Cover Kit with Gasket Bolts & Oil Cap Compatible with BMW 135i 335i 535i 640i 740i X3 X5 X6 1 3 5 6 7 Series (2011-2018) Replaces OEM # 11127570292**Vanlison**$84.87**3 rev5mo ago](https://www.amazon.com/dp/B0GHYYGT5N) [![Niayko Aluminum N55 Valve Cover Kit Replacement# 11127570292 Fit B-MW 2011-2019 X3 X5 X6 2010-2018 535i 335i 640i 2013-2015 740i 740Li 3.0L 4.4L 6.0L](https://m.media-amazon.com/images/I/419WmeUWSZL.jpg)**Niayko Aluminum N55 Valve Cover Kit Replacement# 11127570292 Fit B-MW 2011-2019 X3 X5 X6 2010-2018 535i 335i 640i 2013-2015 740i 740Li 3.0L 4.4L 6.0L**Niyako**$133.82**1 rev7mo ago](https://www.amazon.com/dp/B0G644TG6Q) [![Aluminum Engine Valve Cover for BMW N55B30 3.0L Engine for BMW X3 X5 X6 335i 535i xDrive 535i GTxDrive 2011-2014 for BMW 740i 2013-2014 Replacement 11127570292](https://m.media-amazon.com/images/I/41GajlrnZ0L.jpg)**Aluminum Engine Valve Cover for BMW N55B30 3.0L Engine for BMW X3 X5 X6 335i 535i xDrive 535i GTxDrive 2011-2014 for BMW 740i 2013-2014 Replacement 11127570292**maXpeedingrods**$135.37**42 rev9mo ago](https://www.amazon.com/dp/B0FR8HVGXM) [![Engine Valve Cover 11127570292 PCV Valve Cap Membrane Repair Kit Cylinder Head Valve Cover Lanwelon Fit for N55 Engine 3.0L for BMW X1 X3 X5 X6 xDrive 535i 335i 435i and X6 640i](https://m.media-amazon.com/images/I/41xPleV7NoL.jpg)**Engine Valve Cover 11127570292 PCV Valve Cap Membrane Repair Kit Cylinder Head Valve Cover Lanwelon Fit for N55 Engine 3.0L for BMW X1 X3 X5 X6 xDrive 535i 335i 435i and X6 640i**Generic**$9.33**2 rev9mo ago](https://www.amazon.com/dp/B0FR42ZNKH) [![N55 Engine Valve Cover Kit with Gasket Bolt & Oil Cap for Compatible with 2010-2017 335i 535i 2011-2019 X5 X3 X6 2013-2015 740i 740Li 3.0L Part# 11127570292](https://m.media-amazon.com/images/I/41NDl0Y+s7L.jpg)**N55 Engine Valve Cover Kit with Gasket Bolt & Oil Cap for Compatible with 2010-2017 335i 535i 2011-2019 X5 X3 X6 2013-2015 740i 740Li 3.0L Part# 11127570292**JTSAUTO**$77.27**12 rev10mo ago](https://www.amazon.com/dp/B0FMY432RK)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Niayko Aluminum N55 Valve Cover Kit Replacement# 11127570292 Fit B-MW 2011-2019 X3 X5 X6 2010-2018 535i 335i 640i 2013-2015 740i 740Li 3.0L 4.4L 6.0L](https://m.media-amazon.com/images/I/419WmeUWSZL.jpg)**Niayko Aluminum N55 Valve Cover Kit Replacement# 11127570292 Fit B-MW 2011-2019 X3 X5 X6 2010-2018 535i 335i 640i 2013-2015 740i 740Li 3.0L 4.4L 6.0L**Niyako**$133.82**1.0★**▲ 256%**](https://www.amazon.com/dp/B0G644TG6Q) [![VANLISON N55 Engine Valve Cover Kit with Gasket Bolts & Oil Cap Compatible with BMW 135i 335i 535i 640i 740i X3 X5 X6 1 3 5 6 7 Series (2011-2018) Replaces OEM # 11127570292](https://m.media-amazon.com/images/I/51UX4VsTvBL.jpg)**VANLISON N55 Engine Valve Cover Kit with Gasket Bolts & Oil Cap Compatible with BMW 135i 335i 535i 640i 740i X3 X5 X6 1 3 5 6 7 Series (2011-2018) Replaces OEM # 11127570292**Vanlison**$84.87**5.0★**▲ 248%**](https://www.amazon.com/dp/B0GHYYGT5N) [![N55 Valve Cover Kit with Gasket & Bolts Compatible with 2010-2018 BMW 335i/435i/535i/640i/X3/X5/X6 3.0L Turbo- Replaces E346-AS 11127570292](https://m.media-amazon.com/images/I/41ga9V-lWNL.jpg)**N55 Valve Cover Kit with Gasket & Bolts Compatible with 2010-2018 BMW 335i/435i/535i/640i/X3/X5/X6 3.0L Turbo- Replaces E346-AS 11127570292**LORPHEIR**$85.01**4.0★**▲ 115%**](https://www.amazon.com/dp/B0FK2HHPKG) [![Engine Valve Cover 11127570292 PCV Valve Cap Membrane Repair Kit Cylinder Head Valve Cover Lanwelon Fit for N55 Engine 3.0L for BMW X1 X3 X5 X6 xDrive 535i 335i 435i and X6 640i](https://m.media-amazon.com/images/I/41xPleV7NoL.jpg)**Engine Valve Cover 11127570292 PCV Valve Cap Membrane Repair Kit Cylinder Head Valve Cover Lanwelon Fit for N55 Engine 3.0L for BMW X1 X3 X5 X6 xDrive 535i 335i 435i and X6 640i**Generic**$9.33**4.5★**▲ 113%**](https://www.amazon.com/dp/B0FR42ZNKH) [![Aluminum Engine Valve Cover for BMW N55B30 3.0L Engine for BMW X3 X5 X6 335i 535i xDrive 535i GTxDrive 2011-2014 for BMW 740i 2013-2014 Replacement 11127570292](https://m.media-amazon.com/images/I/41GajlrnZ0L.jpg)**Aluminum Engine Valve Cover for BMW N55B30 3.0L Engine for BMW X3 X5 X6 335i 535i xDrive 535i GTxDrive 2011-2014 for BMW 740i 2013-2014 Replacement 11127570292**maXpeedingrods**$135.37**4.0★**▲ 105%**](https://www.amazon.com/dp/B0FR8HVGXM)

**~~View all trending →~~**

## **Demand**

Weekly Amazon search volume, last 19 weeks — -25.5% search growth over the last 90 days.

350250Mar '26Mar '26Apr '26May '26May '26Jun '26

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**24%

*“Great fit”*

**Quality-Overall**17%

*“Really well-made throughout”*

**Efficiency**13%

*“Job well done”*

**Value For Money**9%

*“Money well spent”*

**Leak-Proof**7%

*“it stopped the leaking”*

**Advertised Vs Actual Product**7%

*“As advertised and serves the purpose”*

**Assembly/Installation**4%

*“which you absolutely need for installation”*

**Ease Of Use**2%

*“This is a convenient”*

**Maintenance And Repair**2%

*“Great maintenance upgrade”*

**Motor Power**2%

*“The N55 is a great engine”*

### **What buyers complain about **

**Leak-Proof**32%

*“the oil filler cap leaked like a sieve”*

**Quality-Overall**18%

*“Cheap”*

**Value For Money**10%

*“Waste of money”*

**Noise Level**6%

*“make a noise”*

**Assembly/Installation**5%

*“I had to remove all the seals from the new valve cover, transfer them to the old cover, and reinstall it”*

**Durability**4%

*“Oil cap broke after first oil change”*

**Compatibility-Overall**2%

*“Youll not be able to fit the engine cover on if you are using it on a 2011 BMW E90 N55”*

**Size-Overall**2%

*“The oil cap is too big also”*

**Design-Overall**2%

*“Does not work as designed”*

**Functionality-Overall**1%

*“Does not work as required”*

### **Top return reasons **

**Defective Material/Parts**21%

**Size-Overall**17%

**Leak-Proof**13%

**Functionality-Overall**10%

**Compatibility-Overall**7%

**Advertised Vs Actual Product**5%

**Assembly/Installation**3%

**Noise Level**3%

**Quality-Overall**2%

**Value For Money**2%