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Which would you pick? N52 (silver engine cover) or N52k (black engine cover)
- ph001
- Lifer
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- Location: N. Yorkshire.
Which would you pick? M54 or N52
Just as a final aside...it turns out the CCV in the black cam cover is serviceable after all:
https://vanos-bmw.com/product/111275522 ... -n52n-n52k
What I'm not clear on is how this connects back to the sump - does anybody know?
https://vanos-bmw.com/product/111275522 ... -n52n-n52k
What I'm not clear on is how this connects back to the sump - does anybody know?
- ph001
- Lifer
- Posts: 3870
- Joined: Mon Oct 31, 2016 5:53 pm
- Location: N. Yorkshire.
Which would you pick? N52 (silver engine cover) or N52k (black engine cover)
Bit of research over on Bimmerfest suggest the later black cam cover N52 is known as the N52K and has the following changes:
The engine underwent minor modifications in September 2006 and is now designated
N52K. With the introduction of the N52K, modifications were made in following areas:
• Cylinder head cover
• Lighter Camshafts (hydroformed)
• Revised stronger conrods
• Stem diameter of exhaust valves increased to 6 mm instead of 5 mm
• Torsional vibration damper revisions
• Crankcase ventilation valve now integrated into cam-cover
• New digital hot-film air mass meter (HFM)
• New Throttle valve (EGAS8)
• Faster DME (tri-core MSV80)
• New, 2nd gen electric water pump (still fail though!)
Quite a comprehensive list of changes if it's to be believed!
http://www.bimmerfest.com/forums/showth ... p?t=806805
The engine underwent minor modifications in September 2006 and is now designated
N52K. With the introduction of the N52K, modifications were made in following areas:
• Cylinder head cover
• Lighter Camshafts (hydroformed)
• Revised stronger conrods
• Stem diameter of exhaust valves increased to 6 mm instead of 5 mm
• Torsional vibration damper revisions
• Crankcase ventilation valve now integrated into cam-cover
• New digital hot-film air mass meter (HFM)
• New Throttle valve (EGAS8)
• Faster DME (tri-core MSV80)
• New, 2nd gen electric water pump (still fail though!)
Quite a comprehensive list of changes if it's to be believed!
http://www.bimmerfest.com/forums/showth ... p?t=806805
Last edited by ph001 on Wed Feb 10, 2021 11:50 am, edited 2 times in total.
- Smartbear
- Lifer
- Posts: 13685
- Joined: Wed Feb 05, 2014 6:54 pm
- Location: a barn in Somerset
Which would you pick? M54 or N52
I wonder if the power drop on the e89 using this engine is down to the larger diameter valve stems?
Rob
Rob
e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold
- Mr Tidy
- Legend
- Posts: 23838
- Joined: Wed Jul 02, 2014 12:18 pm
- Location: North West Surrey
Which would you pick? M54 or N52
Thanks for that!ph001 wrote: ↑Thu May 03, 2018 5:04 pm Bit of research over on Bimmerfest suggest the later black cam cover N52 is known as the N52K and has the following changes:
The engine underwent minor modifications in September 2006 and is now designated
N52K. With the introduction of the N52K, modifications were made in following areas:
• Cylinder head cover
• Camshafts
• Crankshaft
• Stem diameter of exhaust valves increased to 6 mm instead of 5 mm
• Torsional vibration damper
• Crankcase ventilation
• Hot-film air mass meter (HFM)
• Throttle valve
• Digital motor electronics
Quite a comprehensive list of changes if it's to be believed!
http://www.bimmerfest.com/forums/showth ... p?t=806805
Ties in nicely with what I found with my 2 Coupes - current one built in August 2006 and has the silver top, previous one was built in October 2006 and had the black cover.
Coupes because stunning!
Current - Silver Grey MC, Imola Red heated Nappa & carbon trim. Aeros, H & R Coil-overs, 224s, OE Strut brace, Nav, cup-holders, DSP Hi-Fi, pdc, cruise, MFSW, no CDV! E90 330i daily
Gone - Montego Blue
Gone - Ruby Black
Current - Silver Grey MC, Imola Red heated Nappa & carbon trim. Aeros, H & R Coil-overs, 224s, OE Strut brace, Nav, cup-holders, DSP Hi-Fi, pdc, cruise, MFSW, no CDV! E90 330i daily
Gone - Montego Blue
Gone - Ruby Black
- Marlon
- Lifer
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Which would you pick? M54 or N52
Interesting, I certainly wasn't aware of these minor modifications
Gone: 3.0si 2008 E85
911 997 Carrera S
- shuey
- Member
- Posts: 329
- Joined: Mon Apr 30, 2018 1:00 pm
Which would you pick? M54 or N52
Thanks Ph001 - was wondering why there would be two different covers. Quite a comprehensive list of tweaks too.ph001 wrote: ↑Thu May 03, 2018 5:04 pm Bit of research over on Bimmerfest suggest the later black cam cover N52 is known as the N52K and has the following changes:
The engine underwent minor modifications in September 2006 and is now designated
N52K. With the introduction of the N52K, modifications were made in following areas:
• Cylinder head cover
• Camshafts
• Crankshaft
• Stem diameter of exhaust valves increased to 6 mm instead of 5 mm
• Torsional vibration damper
• Crankcase ventilation
• Hot-film air mass meter (HFM)
• Throttle valve
• Digital motor electronics
Quite a comprehensive list of changes if it's to be believed!
http://www.bimmerfest.com/forums/showth ... p?t=806805
Anyway just tested my first z4c - flipping awesome! Coming from a 350z, can’t believe how much better z4 feels. Anyway two more to test before I pick... even tempted to go all the way and go for a z4m!
M2 OG / Manual / Grey
Previous
Z4C Si Sport / Manual / Alpine White
350Z VQ35DE / Manual / Silver
Seat Leon Cupra MKII / Manual / Silver
Ford Puma 1.7
Rover 214 Si (I know!)
Previous
Z4C Si Sport / Manual / Alpine White
350Z VQ35DE / Manual / Silver
Seat Leon Cupra MKII / Manual / Silver
Ford Puma 1.7
Rover 214 Si (I know!)
- Mr Tidy
- Legend
- Posts: 23838
- Joined: Wed Jul 02, 2014 12:18 pm
- Location: North West Surrey
Which would you pick? M54 or N52
That makes me feel better - I wondered if I should have tried a 350Z before getting a Z4C, but it doesn't sound like I missed anything!
And I agree, the Z4C is really special. An M was out of my budget, but if it's within yours then why not?
Coupes because stunning!
Current - Silver Grey MC, Imola Red heated Nappa & carbon trim. Aeros, H & R Coil-overs, 224s, OE Strut brace, Nav, cup-holders, DSP Hi-Fi, pdc, cruise, MFSW, no CDV! E90 330i daily
Gone - Montego Blue
Gone - Ruby Black
Current - Silver Grey MC, Imola Red heated Nappa & carbon trim. Aeros, H & R Coil-overs, 224s, OE Strut brace, Nav, cup-holders, DSP Hi-Fi, pdc, cruise, MFSW, no CDV! E90 330i daily
Gone - Montego Blue
Gone - Ruby Black
- shuey
- Member
- Posts: 329
- Joined: Mon Apr 30, 2018 1:00 pm
Which would you pick? M54 or N52
If I'm perfectly honest the z4 M is way out of my budget - but there's two for sale for 15k on autotrader. and I'm not sure if they would ever drop any lower, so my thinking is I could probably always sell it back at 15k. trying to work last time I did something silly as double my car budget!
M2 OG / Manual / Grey
Previous
Z4C Si Sport / Manual / Alpine White
350Z VQ35DE / Manual / Silver
Seat Leon Cupra MKII / Manual / Silver
Ford Puma 1.7
Rover 214 Si (I know!)
Previous
Z4C Si Sport / Manual / Alpine White
350Z VQ35DE / Manual / Silver
Seat Leon Cupra MKII / Manual / Silver
Ford Puma 1.7
Rover 214 Si (I know!)
- earthdweller
- Senior Member
- Posts: 1040
- Joined: Tue Apr 11, 2017 9:05 pm
Which would you pick? M54 or N52
Thanks Guys, interesting read
I now know I have an N52K
I’ll sleep well tonight
I now know I have an N52K
I’ll sleep well tonight
07 3.0si Sport Roadster Titanium Silver/Syrah Blue Individual Leather, CSL reps ZHP
- shuey
- Member
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- Joined: Mon Apr 30, 2018 1:00 pm
Which would you pick? M54 or N52
And here’s some official documentation that took me a week of hunting on the tinterweb to find. Sorry pages in wrong order
- Attachments
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- BBF800EA-AFAC-4488-ACAF-699E44AC07AE.png (74.06 KiB) Viewed 2821 times
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- 6B7501D4-9782-4191-9C29-51C1D1B84602.png (532.13 KiB) Viewed 2821 times
M2 OG / Manual / Grey
Previous
Z4C Si Sport / Manual / Alpine White
350Z VQ35DE / Manual / Silver
Seat Leon Cupra MKII / Manual / Silver
Ford Puma 1.7
Rover 214 Si (I know!)
Previous
Z4C Si Sport / Manual / Alpine White
350Z VQ35DE / Manual / Silver
Seat Leon Cupra MKII / Manual / Silver
Ford Puma 1.7
Rover 214 Si (I know!)
- ph001
- Lifer
- Posts: 3870
- Joined: Mon Oct 31, 2016 5:53 pm
- Location: N. Yorkshire.
Which would you pick? N52 (silver engine cover) or N52k (black engine cover)
Good find! The waterpump thing is very interesting indeed. Looks like there maybe was an improved version after all. I can feel a poll coming on!
- enzed4
- Lifer
- Posts: 3033
- Joined: Fri May 16, 2014 9:23 am
- Location: New Zealand
Which would you pick? N52 (silver engine cover) or N52k (black engine cover)
Perhaps a good reason to buy the last model in any run. Hopefully it will incorporate every positive improvement or enhancement found necessary over the model's life. Makes me feel a bit better about my 2008 Z4. However, I'm now foolishly considering a 2009 E89, so I imagine I'd be experiencing all the pain of any 'new' model release....
Gone: 2010 35i DCT
Gone: 2008 2.5Si Sport
- Smartbear
- Lifer
- Posts: 13685
- Joined: Wed Feb 05, 2014 6:54 pm
- Location: a barn in Somerset
Which would you pick? N52 (silver engine cover) or N52k (black engine cover)
Hi, if it’s the 3.0 sdrive it should have the later incarnation of the n52 engine at leastenzed4 wrote: ↑Mon Jun 25, 2018 2:38 am Perhaps a good reason to buy the last model in any run. Hopefully it will incorporate every positive improvement or enhancement found necessary over the model's life. Makes me feel a bit better about my 2008 Z4. However, I'm now foolishly considering a 2009 E89, so I imagine I'd be experiencing all the pain of any 'new' model release....
Rob
e89 Sdrive 20i, plenty of mumbo & good economy-the thinking bears z4
e89 Sdrive 30i, this ones busted, pass me another...
e85 3.0si sold
- enzed4
- Lifer
- Posts: 3033
- Joined: Fri May 16, 2014 9:23 am
- Location: New Zealand
Which would you pick? N52 (silver engine cover) or N52k (black engine cover)
Yes, I thought about that after posting - the engine will be more or less the same (but higher output) as what I currently haveSmartbear wrote: ↑Mon Jun 25, 2018 8:05 amHi, if it’s the 3.0 sdrive it should have the later incarnation of the n52 engine at leastenzed4 wrote: ↑Mon Jun 25, 2018 2:38 am Perhaps a good reason to buy the last model in any run. Hopefully it will incorporate every positive improvement or enhancement found necessary over the model's life. Makes me feel a bit better about my 2008 Z4. However, I'm now foolishly considering a 2009 E89, so I imagine I'd be experiencing all the pain of any 'new' model release....
Rob
Gone: 2010 35i DCT
Gone: 2008 2.5Si Sport
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- Newbie
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Which would you pick? N52 (silver engine cover) or N52k (black engine cover)
Picking up this old topic. My Z4 roadster does have the black cover N52 with the plastic valve cover. The car is from December 2006. Recently I have been troubleshooting for a problem and the DME also came across.
According to the information here I should have the MSV80. I found out I have the MSV70 DME mounted. Can anyone give me more information on this? Did they use a combination of parts for the first months for the N52 with black cover?
According to the information here I should have the MSV80. I found out I have the MSV70 DME mounted. Can anyone give me more information on this? Did they use a combination of parts for the first months for the N52 with black cover?