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      04-03-2017, 02:34 PM   #1
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MRF Engineering S65B40 Rod Bearing Service

E9x BMW M3 Rod Bearing Service, S65B40 Engines

For years, MRF has been offering the most comprehensive and competitive Rod Bearing replacement/Repair services to our clients. With over 260 M3’s now completed successfully, whether daily driven, raced on weekends or a weekend toy, MRF is California’s true leader for M3 rod bearing service, hands down.

The MRF Rod Bearing Procedure includes the following for a full, “Turn-Key” service to a very well documented and known issue with one of BMW’s best M engines.

What's included:

  • Clevite (CT-1 Anti-Friction Coated) Extra Clearance Rod Bearing Set
  • ARP S65B40 Rod Bolt Set (not off the shelf ARP hardware)
  • 10W-60 LL-01 Oil --- (OE Castrol or Liqui-Moly, or the new BMW “Twin Power”; your choice, same price)
  • OE BMW Oil Filter
  • OE BMW Oil Pan Gasket
  • OE BMW Oil Pan Gasket Hardware Set
  • OE BMW Oil Pickup O-rings.
  • OE BMW Oil Pickup replacement hardware
  • Power Steering System Hydraulic Fluid Exchange (OE Pentosin CHF-11S)
  • Cooling System Drain & Refill (OE BMW Anti-freeze/Coolant)
  • MRF Engineering 4-Wheel Alignment
  • Unparalleled experience; 260+ cars completed and counting.
  • Price: $2350; includes everything listed above (Turn around time, 1 day. **Same day service available as well, you will just need to arrive earlier to allow the engine sufficient cooling time**)
With vast experience with the E90, E92, E93 platform, our clients entrust us with their M3’s for a guaranteed perfect job, each time and every time.

Frequently Asked Questions:

Q: Another shop quoted me less for the job; why aren’t you cheaper?

A: We are aware that other shops in the area may quote less for a rod bearing job. However, you must be sure that it is a true apples-to-apples comparison. Therefore we recommend that you confirm whether their pricing (1) includes ALL new and necessary fluids, (2) A 4 Wheel Alignment, (3) Coolant Drain + Refill and all other necessary OE parts for a complete and correct job.

Q: Other shops quote less for the job if I use OEM hardware (bearings & bolts). Do you offer a discount for using OEM hardware?

A: No. We only recommend using specific ARP fasteners along with extra clearance bearings. Using OEM parts will only cause the problem to reoccur, thus requiring one to swap the bearings again after additional mileage. We believe it is better to solve the problem as best as possible (short of a full rebuild, grinding the crank, blueprinting) once and for all rather than periodic bearing replacements.

Please reference the following threads for more information in regards to this matter. Attached is a link for our Rod Bearing Journal as well. A lot of bearings are now posted on the MRF Instagram page. Instagram link is below in the signature.
MRF Engineering Rod Bearing Replacement, Teardown & Failure Journal

S65B40 Engine Tear Down w/non-OE Bearings after 39,500 Miles
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Last edited by Malek@MRF; 06-10-2018 at 03:22 PM.
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      04-03-2017, 06:27 PM   #2
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i have already decided that when the time comes, MRF will be doing my rod bearings. malek's knowledge and expertise is definitely worth it.
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Last edited by roastbeef; 04-04-2017 at 09:01 AM.
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      04-04-2017, 12:01 AM   #3
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Recently got my Rod Bearings serviced by Malek. I was really worried about who was going to do this job on my car. After research and speaking with Malek about the rod bearing service, I decided to make the drive down from NorCal to take the car in. 1000 miles later and I have nothing to complain about. I have peace of mind that my motor is safe and Malek was about to do everything so quickly. Really recommend everyone to take there ///M here.
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      04-04-2017, 11:45 AM   #4
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I personally had my rod bearings done with Malek as well as replacing my motor mounts at the same time. OMG what a difference, he did an amazing job! Even detailed my engine bay. The car feels so healthy, I absolutely reccomend Malek and his servers to anyone who loves their car. Your baby will be in good hands with him no doubt. He is TOP NOTCH and even that is an understatement.
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      04-04-2017, 11:58 AM   #5
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Are these BE Bearings that are being used?
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      04-04-2017, 02:44 PM   #6
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Quote:
Originally Posted by tdott View Post
Are these BE Bearings that are being used?
VAC bearings
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      04-04-2017, 03:41 PM   #7
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Quote:
Originally Posted by tdott View Post
Are these BE Bearings that are being used?
Quote:
Originally Posted by Revvvm3 View Post
VAC bearings
I believe Malek uses and recommends special VAC bearings that have a Calico coating. If you do research, please note that I believe VAC has historically (and may in fact still) offered two types of Calico-coated bearings for the E92 M3: One that I believe was just an OEM bearing with a coating on it, and one that was a specially, bespoke bearing with a coating.

The former (OEM + coating) was disfavored because the coating actually adds a bit of thickness to the bearing, further exacerbating the rod-bearing clearance issue. The latter (special bearing + coating) is what MRF uses because, even with the coating, the bearing being used results in additional clearance between the bearing and crankshaft. Thus, you get the benefit of additional clearances AND the friction-reducing coating on the bearing shell.

I did a LOT of research on this stuff before I had my bearings done at MRF and it was very confusing to know what bearings and hardware to use. Malek has done a lot of research into this, which was the primary reason I wanted to get it done at MRF.
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      04-04-2017, 03:58 PM   #8
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Quote:
Originally Posted by Hujan View Post
I believe Malek uses and recommends special VAC bearings that have a Calico coating.
Yes VAC bearings are Calico coated, but OP mentions Clevite (CT-1 Anti-Friction Coated) Extra Clearance Rod Bearing Set, which is why I think it should be made clear what bearings are being used. VAC, BE, or something custom?

This is confusing for two reasons, the above reason and because VAC bearings don't yield extra clearance.

Quote from the whitepaper.
Quote:
0.0005 inch extra clearance. VAC still adds the Calico coating, which he acknowledged takes up the extra 0.0005 inch -- returning the new bearings back to stock clearance.
Hence me asking if BE bearings are now being used and they are the only ones I know of that provide extra clearance when you take the coating into consideration.

Last edited by tdott; 04-04-2017 at 04:04 PM.
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      04-04-2017, 04:21 PM   #9
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Quote:
Originally Posted by tdott View Post
Yes VAC bearings are Calico coated, but OP mentions Clevite (CT-1 Anti-Friction Coated) Extra Clearance Rod Bearing Set, which is why I think it should be made clear what bearings are being used. VAC, BE, or something custom?

This is confusing for two reasons, the above reason and because VAC bearings don't yield extra clearance.

Quote from the whitepaper.


Hence me asking if BE bearings are now being used and they are the only ones I know of that provide extra clearance when you take the coating into consideration.
VAC does not manufacture their own bearing, Clevite does it for them. The CT-1 treatment is a type of coating done by Calico Coatings. These are not the OEM 702/703 bearings with the CT-1 treatment that VAC still sells. These extra clearance bearings also do not have a top/bottom specificity like the OEM bearings do, so they cannot be mixed up during installation at all. I have had the opportunity to complete 172 cars now, some of which I have pulled back apart because the client uses the car for racing mostly, and they want the engine refreshed seasonally. The bearings come back out each and every time with zero wear on them.

VAC does not advertise that their bearings have extra clearance, but testing numerous sets of their non-OEM bearings in various S65 rods, they yield a much larger clearance than OEM. This has also been documented in the bearing wiki (around 2 years ago), but I understand that thread is far too large to sift through all that information. These measurements have all been done in house with micrometers, in the same fashion that I build the engines when done from the ground up. BE bearings are good too, this thread is not intended to be a comparison or contest between which is better.

To summarize, the bearings we source from VAC are also Clevite bearings that offer extra clearance and come with the special anti-friction coating, but are not the BE bearings.
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Last edited by Malek@MRF; 04-04-2017 at 04:37 PM.
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      04-06-2017, 01:45 AM   #10
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I had my rod bearings done MRF. Fantastic, top notch work by Malek. I highly recommend MRF!
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      04-06-2017, 11:04 AM   #11
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Quote:
Originally Posted by slicer View Post
I had my rod bearings done MRF. Fantastic, top notch work by Malek. I highly recommend MRF!
Doesn't look like you keep a car long enough for anything to go wrong! lol
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      04-06-2017, 11:39 AM   #12
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Quote:
Originally Posted by Malek@MRF View Post
BE bearings are good too, this thread is not intended to be a comparison or contest between which is better.
No where did I mention any comparison, my intent was to clarify which bearings were included in your package. Now that you have done so, there is no further need for discussion on the topic.

Thank you.
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      04-08-2017, 03:48 PM   #13
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Quote:
Originally Posted by UPSROD View Post
Doesn't look like you keep a car long enough for anything to go wrong! lol


That's the Slicer way; hit it and quit it.
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      04-10-2017, 02:32 PM   #14
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Malek does all the work on my car. His knowledge of the platform far surpasses any other shop that just helps you throw money at the car/any car.

Doing my rod bearing swap here this summer.
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      04-14-2017, 04:42 PM   #15
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Quote:
Originally Posted by slicer View Post
I had my rod bearings done MRF. Fantastic, top notch work by Malek. I highly recommend MRF!
Quote:
Originally Posted by Edward View Post
Malek does all the work on my car. His knowledge of the platform far surpasses any other shop that just helps you throw money at the car/any car.

Doing my rod bearing swap here this summer.

Thanks guys.
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      04-14-2017, 11:18 PM   #16
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Would these Clevite bearings offer similar increased clearance compared to the BE bearings?
.
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Let me get this straight... You are swapping out parts designed by some of the top engineers in the world because some guys sponsored by a company told you it's "better??" But when you ask the same guy about tracking, "oh no, I have a kid now" or "I just detailed my car." or "i just got new tires."
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      04-18-2017, 12:02 PM   #17
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That's the Slicer way; hit it and quit it.
Correct, that's my motto.
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      04-19-2017, 07:20 PM   #18
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Quote:
Originally Posted by aus View Post
Would these Clevite bearings offer similar increased clearance compared to the BE bearings?
.
Yes. Very similar. I install these bearings in the Race only M3's that I build that get their bearings replaced every season or every other season. They come out perfect each and every time.
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      04-19-2017, 07:43 PM   #19
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Good information. How do the VAC bearings you install compare to the WPC coated bearings (which according to some offer a tiny bit extra clearance). Advantages/disadvantages of each? thx in advance.
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      04-21-2017, 01:41 PM   #20
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Quote:
Originally Posted by FogCityM3 View Post
Good information. How do the VAC bearings you install compare to the WPC coated bearings (which according to some offer a tiny bit extra clearance). Advantages/disadvantages of each? thx in advance.
I don't use the WPC bearings. I have pulled a few sets back out of cars to switch to the VAC/Clevite extra clearance bearing. The WPC's that were removed had already begun to wear at an accelerated rate. Even though they were installed for a far shorter time compared to the OE bearings before them, they were wearing at a rapid rate. The VAC/Clevite bearings removed from racing cars come out perfect each and every time with zero wear.
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      04-28-2018, 01:10 PM   #21
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Sorry for the late reply. I had my rod bearings done a couple weeks ago at MRF and the experience was nothing but stellar. Malek is very professional and really knows his stuff and he was able to explain it so that a dummy like me could understand. I wouldn't recommend anyone else for this service.
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      04-28-2018, 05:00 PM   #22
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Quote:
Originally Posted by pasghetti View Post
Sorry for the late reply. I had my rod bearings done a couple weeks ago at MRF and the experience was nothing but stellar. Malek is very professional and really knows his stuff and he was able to explain it so that a dummy like me could understand. I wouldn't recommend anyone else for this service.
Can’t agree more, no one does it best and offers much more than others...the stellar service from Malek is the best in the industry
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