Not joined yet? Register for free and enjoy features such as alerts, private messaging and viewing latest posts and topics.
Rod bearings?
-
- Member
- Posts: 89
- Joined: Mon Jan 27, 2020 12:49 am
- Location: Lisburn
Rod bearings?
I will have to see if my guy has the tool to stretch the arp bolts.
I was looking at this set for only 345, but might now just ask the specialist what he knows or recommends. If oem bolts are cheaper might be worth my while going with them
https://store.vacmotorsports.com/mobile ... p3812.aspx
Do you notice much difference in feel after getting bearings changed?
I was looking at this set for only 345, but might now just ask the specialist what he knows or recommends. If oem bolts are cheaper might be worth my while going with them
https://store.vacmotorsports.com/mobile ... p3812.aspx
Do you notice much difference in feel after getting bearings changed?
Ruby black Z4MR
(sold) - 3.0i
(sold) - 3.0i
-
- Senior Member
- Posts: 1113
- Joined: Sun May 13, 2018 10:32 am
- Location: Worsley Manchester
Rod bearings?
Only the weight of your wallet.lewis_jennings wrote: ↑Tue Aug 17, 2021 1:16 pm Do you notice much difference in feel after getting bearings changed?
- AndyBeech
- Senior Member
- Posts: 1629
- Joined: Mon Feb 18, 2013 2:25 pm
- Location: Reading / Bath
Rod bearings?
Yeah as above. Not sure what you mean by feel but if you mean performance then no, it's purely for piece of mind it won't feel different in any way.
VAC are probably ok, but really I wouldn't overcomplicate it. Just get whatever is easiest, I presume your not going to track the car so it'll make little difference. ACL and King are well used, VAC not so much in my experience. Like I said most of these are relatively long term untested anyway so no real knowing if one is better than the other.
https://www.hackengineering.co.uk/produ ... ckage-s54/
£315 for example.
Don't forget you'll need a oil sump gasket, oil filter, oil, and there's various o-rings you can replace while your in there. There's plenty of garages that will offer this service all in to save you faffing around buying all this stuff separately so unless your garage is doing a particularly good price I'd look elsewhere. *just seen your in NI so maybe not so many then!
You might also want to replace engine mounts / gearbox mounts, cpv o-ring while your getting all this done.
VAC are probably ok, but really I wouldn't overcomplicate it. Just get whatever is easiest, I presume your not going to track the car so it'll make little difference. ACL and King are well used, VAC not so much in my experience. Like I said most of these are relatively long term untested anyway so no real knowing if one is better than the other.
https://www.hackengineering.co.uk/produ ... ckage-s54/
£315 for example.
Don't forget you'll need a oil sump gasket, oil filter, oil, and there's various o-rings you can replace while your in there. There's plenty of garages that will offer this service all in to save you faffing around buying all this stuff separately so unless your garage is doing a particularly good price I'd look elsewhere. *just seen your in NI so maybe not so many then!
You might also want to replace engine mounts / gearbox mounts, cpv o-ring while your getting all this done.
Z4MR - Gruppe M, Bilstein PSS10, CSL's + 18" CSL reps with semi's, RTAB Limiters, Powerflex’d, PF Camber Arms, K-Sport BBK / RSL-29, GC Camber Plates, Strut Brace, Exhaust valves, custom brake cooling, complete underside refresh!
-
- Member
- Posts: 89
- Joined: Mon Jan 27, 2020 12:49 am
- Location: Lisburn
Rod bearings?
Yeah mainly just would you notice a smoother drive, especially when cold. As I know my car, and a friends are quite lumpy when cold.AndyBeech wrote: ↑Tue Aug 17, 2021 2:15 pm Yeah as above. Not sure what you mean by feel but if you mean performance then no, it's purely for piece of mind it won't feel different in any way.
VAC are probably ok, but really I wouldn't overcomplicate it. Just get whatever is easiest, I presume your not going to track the car so it'll make little difference. ACL and King are well used, VAC not so much in my experience. Like I said most of these are relatively long term untested anyway so no real knowing if one is better than the other.
https://www.hackengineering.co.uk/produ ... ckage-s54/
£315 for example.
Don't forget you'll need a oil sump gasket, oil filter, oil, and there's various o-rings you can replace while your in there. There's plenty of garages that will offer this service all in to save you faffing around buying all this stuff separately so unless your garage is doing a particularly good price I'd look elsewhere. *just seen your in NI so maybe not so many then!
You might also want to replace engine mounts / gearbox mounts, cpv o-ring while your getting all this done.
I'll probably use the link you sent me actually seems a good price!
I'll be asking the mechanic about the rest of all that, hadn't even considered it! I'll probably order up engine mounts and trans mounts while I'm at it as you said. No harm in doing it right.
Yeah everyone in NI know how to charge
Appriciate the help everyone!
Ruby black Z4MR
(sold) - 3.0i
(sold) - 3.0i
-
- Senior Member
- Posts: 1113
- Joined: Sun May 13, 2018 10:32 am
- Location: Worsley Manchester
Rod bearings?
When I talked to both Mr Vannos and JC Racing both said the same about rod bolts use ARP and do them up to the torque as in their opinion there was no difference in the two methods so to save time and labour cost they torqued them after getting the same results with the stretch gauge method over many engine
JC Racing also said that BMW motorsport use thread lock on the bolts not grease in the race engines if you want to know the spec let me know and I will dig it out as that is what I did
JC Racing also said that BMW motorsport use thread lock on the bolts not grease in the race engines if you want to know the spec let me know and I will dig it out as that is what I did
- 99ron
- Member
- Posts: 289
- Joined: Tue Oct 28, 2014 6:25 pm
- Location: Hampshire
Rod bearings?
Did the same... same great Indi
My shells at 83K were not too bad but happy I had them done. Piece of mind when enjoying all the horses.
Z4MR E85 for sunny day Hooning.
Now with added joy of Gruppe M.
Now with added joy of Gruppe M.
-
- Member
- Posts: 92
- Joined: Thu May 30, 2013 1:30 pm
Rod bearings?
5+ owners, not had them done to my knowledge. Will look into it, would be worth it for the piece of mind I think.
- AndyBeech
- Senior Member
- Posts: 1629
- Joined: Mon Feb 18, 2013 2:25 pm
- Location: Reading / Bath
Rod bearings?
Nope you'll notice nothing at all. It's one of those expensive jobs that'll you'll get nothing from apart from piece of mind.lewis_jennings wrote: ↑Tue Aug 17, 2021 4:34 pmYeah mainly just would you notice a smoother drive, especially when cold.AndyBeech wrote: ↑Tue Aug 17, 2021 2:15 pm Yeah as above. Not sure what you mean by feel but if you mean performance then no, it's purely for piece of mind it won't feel different in any way.
VAC are probably ok, but really I wouldn't overcomplicate it. Just get whatever is easiest, I presume your not going to track the car so it'll make little difference. ACL and King are well used, VAC not so much in my experience. Like I said most of these are relatively long term untested anyway so no real knowing if one is better than the other.
https://www.hackengineering.co.uk/produ ... ckage-s54/
£315 for example.
Don't forget you'll need a oil sump gasket, oil filter, oil, and there's various o-rings you can replace while your in there. There's plenty of garages that will offer this service all in to save you faffing around buying all this stuff separately so unless your garage is doing a particularly good price I'd look elsewhere. *just seen your in NI so maybe not so many then!
You might also want to replace engine mounts / gearbox mounts, cpv o-ring while your getting all this done.
I've seen Redish have a good list on their website of bits you can change (and some of which you'll have to change) while doing the job. Worth a look and should help you out if your gathering your own parts.
https://www.redish-motorsport.com/E46M3 ... hells.html
Z4MR - Gruppe M, Bilstein PSS10, CSL's + 18" CSL reps with semi's, RTAB Limiters, Powerflex’d, PF Camber Arms, K-Sport BBK / RSL-29, GC Camber Plates, Strut Brace, Exhaust valves, custom brake cooling, complete underside refresh!
- Mr Tidy
- Legend
- Posts: 23809
- Joined: Wed Jul 02, 2014 12:18 pm
- Location: North West Surrey
Rod bearings?
47K seems quite early, but as you are planning to add a supercharger it may well be worth getting them replaced - for the peace of mind if nothing else!
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
- BMWZ4MC
- Lifer
- Posts: 6342
- Joined: Sun Sep 13, 2009 4:24 pm
- Location: Back in the sunshine
Rod bearings?
I changed mine at 50k miles because it sees a lot of track use. They looked fine, but I’ll change them again at 100k anyway since I’ve no idea what will be the longevity of replaced bearing shells in a car that sees hard use in ambient temperatures of up to 45C.
Z4MC - heavily fettled for track use
Lotus Exige - sensible daily driver on the mods slippery slope
Westfield SEiW - in hibernation
Modified RS4 Avant - back in Blighty
S2000 GT - gone
-
- Member
- Posts: 92
- Joined: Thu May 30, 2013 1:30 pm
Rod bearings?
Tempted to wait, I’m doing pretty low mileage atm so might spend the money on some Stack gauges instead for now.
- GuidoK
- Lifer
- Posts: 3171
- Joined: Tue Aug 17, 2010 1:37 am
- Location: all over the place
Rod bearings?
That video they have there with the z4m with only 27k on the clock is quite shocking...
at least they plastigauge. Even the worn bearings to see if fitment was good, so they're definately not cutting corners on work.
I don't see a service for checking the oil pump pressure piston though.
Z4 3.0i | ESS TS2+ | Quaife ATB LSD | Brembo/BMW performance BBK front/rear | Schrick FI cams | Schmiedmann headers+cats | fully polybushed | Vibra-technics engine mounts | H&R anti rollbars | KW V3 coilovers | Sachs Race Engineering clutch
- Mr Tidy
- Legend
- Posts: 23809
- Joined: Wed Jul 02, 2014 12:18 pm
- Location: North West Surrey
Rod bearings?
Given how those shells in GuidoK's link looked after 27K miles, maybe at 47K with 5 previous keepers and a plan to add a supercharger the money might be better spent on new shells than Stack gauges - they won't do much if you spin a shell!
Although they are the worst I have seen considering the low mileage they have covered.
My car had 7 previous keepers and I got mine replaced at 78K miles. Old ones looked like this:-
- Attachments
-
- Bearing Shells 260820.jpeg (403.48 KiB) Viewed 683 times
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
-
- Member
- Posts: 92
- Joined: Thu May 30, 2013 1:30 pm
Rod bearings?
Think that video has changed my mind!Mr Tidy wrote: ↑Wed Aug 18, 2021 11:40 pmGiven how those shells in GuidoK's link looked after 27K miles, maybe at 47K with 5 previous keepers and a plan to add a supercharger the money might be better spent on new shells than Stack gauges - they won't do much if you spin a shell!
Although they are the worst I have seen considering the low mileage they have covered.
My car had 7 previous keepers and I got mine replaced at 78K miles. Old ones looked like this:-