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IND presents: S55 oil cooler guard by Fall Line Motorsports!

IND presents: S55 oil cooler guard by Fall Line Motorsports!

The F8x M3 and M4 cars are incredibly well sorted from a cooling standpoint. Even in a road course environment with extremely high ambient temperatures, the S55 engine tends to operate beautifully, with consistent oil and water temperatures. BMW M invested a great deal of time, money, and effort into designing a cooling system that worked in nearly every condition that the M3 and M4 would be tested in.

Although excellent ducting, good core design, strong fans, and other factors all play in to how well a cooling system works, there is one ultimate factor which cannot be circumvented- you must have enough heat exchanger surface area, and you must have enough heat exchangers. When examining the front of an M3 or M4, then, we see the hard work of the M engineers in packaging the various cooling components of the car. Everything had to be accounted for, and given ample space, surface area, and ducting.

Unfortunately, this leaves the S55 engine’s oil cooler precariously exposed. A direct impact to the oil cooler can have catastrophic effects, draining the S55 of all of its oil in seconds, a fact that more than a handful M3 and M4 owners have had to learn in a painfully direct way.

Having seen that this was a critical need for the M3 and M4 cars, IND worked with Fall Line Motorsports to develop a robust oil cooler guard, specifically designed to shield the S55’s oil cooler from large road debris and prevent disaster.

The new Fall Line Motorsports oil cooler guards will be constructed from thick stainless steel plate, and will fasten directly to existing frame members on the F80 and F82 cars, spreading any impact across strong structural components. Special care was taken to ensure that the opening in the oil cooler guard matched the shape and size of the existing BMW oil cooler air outlet, ensuring that proper air flow is maintained. Installation is straightforward and uses all existing mounting locations, and also retains the factory BMW plastic shield and associated outlet ducting.

Please contact an IND representative for more information!

Original BMW oil cooler shield

Fall Line Motorsports oil cooler shield

Track testing and validation

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The X5M, by IND.

The X5M, by IND.

BMW is widely recognized as the company that transformed the concept of the four door car. The menacing acceleration of the first M5 super sedan, the shockingly sporting character of the standard 3 series, and of course the incredible capability of the M3 have made BMW a company that has redefined automobiles for a generation.

In this same way, in 1999 BMW redefined the 4×4 truck segment with the launch of their brand new X5. BMW’s unique approach shattered contemporary ideas of what a truck should be, giving BMW fans something that was luxurious in its interior appointments, comfortable when used as a daily driver, and an absolute adventure to drive when compared to offerings from Rover, Jeep, and Mercedes. Nothing was similar, and yet suddenly, the rest of the car building world was forced to take note and catch up.

A decade after the release of the X5, BMW created their incredible X5M. This amazing machine has the absolute utility and comfort of an X5, with the otherworldly performance typically left to BMW’s sports sedans. Once again, BMW had changed everything.

With the release of the F85 X5M and the F86 X6M, BMW will once again work miracles to push the X5 further into uncharted territory. With even more power on tap, a beautiful interior, more dynamic suspension, and rumors of Nurburgring lap times that rival the E92 M3, the new X5M cars make this a great time to be an X5 fan.

IND’s interpretation of the X5M strives to maintain the car’s sense of luxury and composure, while adding M car touches that bring it’s Motorsport derived character to the forefront. IND’s X5M was enhanced with the following components:

ACS Lowering Kit

IND custom painted front grilles

IND custom painted side grilles

IND “black chrome” trunk badge

Eisenmann Race exhaust system

RKP rear diffuser

Motorsport Hardware Stud Conversion

Velos Solo V Forged Wheels
22×10.5 front / 22×12 rear
Brushed with double dark clear finish

Pirelli Scorpion tires
295/30/22 front
335/25/22 rear

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IND | BMW OEM M4 GTS Bolt-In Roll Bar

Published on August 25, 2015 by in Uncategorized
IND | BMW OEM M4 GTS Bolt-In Roll Bar

BMW is notorious for designing bespoke-fit, specially engineered roll bar solutions for their special M cars, and then keeping them from M fans everywhere. Fortunately, enterprising vendors have always worked hard to provide M fans the most rare components possible, and the F82 M4 is no different.

IND has secured the factory-commissioned roll bars found on the M4 GTS test cars and M4 safety cars for the BimmerPost community!

The GTS roll bar does require removal of the rear seat. Weld-in reinforcements to strengthen the floor mounting points are included with purchase. The roll bar bolts in place and attaches to those reinforcements.

BMW OEM M4 GTS Bolt-In Roll Bar $6500

Please contact IND by phone or email for more information or to place your order.
866.963.4520 | info@ind-distribution.com

The BMW OEM M4 GTS Bolt-In Roll Bar may be viewed here in our online store: http://ind-distribution.com/ind/bran…-gts-roll-cage

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IND | F85 X5M/F86 X6M Front Kidney Grill DIY

Published on August 18, 2015 by in Uncategorized
IND | F85 X5M/F86 X6M Front Kidney Grill DIY

Even as BMW trends toward more aggressive vehicle styling, they continued to opt for a chrome accent trim on their infamous kidney grills and fender trim. Fortunately, BMW now offers a range of gloss black accessories to replace the trim pieces and match the shadowline window trim.

Among the options for the F85 X5M and F86 X6M are the gloss black front kidney grills. For those that have opened the hood and peered into the tidy bay with its M clad covers, you will notice that access to the front kidney grills is not such a simple task. As a means to assist clients in their installs, our technicians have discovered and easy, albeit unconventional method of removing the front kidney grills. This is a similar practice used on the F10 M5 front kidney grills and has been performed hundreds of times without a single failure. That said, we recommend everyone exercise caution as to not damage the paint or the kidney grills during the removal and installation process.

As with all DIY’s, there are many ways to install items and this is simply one example. Now for the fun part.

Step 1: 
The first step in this procedure is to mask the area on the bottom and sides of the front kidney grills. This is a precautionary step to protect the vehicles paint.

Step 2: 
This is the aforementioned “unconventional” approach to the front grill removal. Using two microfiber towels, grasp the vertical slats second furthest from either end of the kidney grill.

Step 3: 
Use even force and pull the front kidney grills toward your body. This may take a few tries, but if performed properly it will release without breaking the tabs.

Step 4: 
Repeat Step 3 with the other kidney grill

Step 5: 
Remove the painters tape and install the gloss black kidney grills. The grills will click into place.

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Published on August 14, 2015 by in Uncategorized

RKP’s rear diffuser for the F85 X5M and F86 X6M was designed to remain congruent with BMW’s design language, adding aggressive fins to the center section of the rear bumper while maintaining the outermost ridge of the factory BMW diffuser so as to appropriately balance the existing body lines with the new fins. The RKP X5M and X6M diffuser uses only existing BMW mounting locations and screws, and requires no modification to the car to install.

The RKP F8x X5M/X6M rear diffuser is constructed from 100% carbon fiber, and is hand-laid in the United States. Each piece is designed for excellent fit and finish, and available in a 1×1 plain or 2×2 twill weave
Tools required:

  • 8mm socket


Due to the vehicle ride height, installation may be completed with the vehicle on the ground. Please ensure all appropriate safety precautions have been taken into account.

Step 1:

Remove the four 8mm screws on the underside of the factory rear diffuser

Step 2:

After the screws are removed, it is now time to remove the piece from the factory bumper cover. The diffuser is held in place by several clips/tabs. To remove these clips/tabs it is best to start from one end and work your way to the other side.

Step 3:

The RKP rear diffuser uses the exact same factory style tabs and retains the four 8mm screw locations. First step in the installation of the RKP piece is to align the tabs with their corresponding factory mounting point.

Please exercise care during the alignment of the RKP tabs. The RKP diffuser is full carbon fiber and if the installer does not exercise care they run the risk of damaging the mounting tabs. 

Step 4:

With the tabs aligned with their corresponding recess, apply light pressure around the diffuser. Work your way around the diffuser a couple times to ensure that the diffuser is fully clipped into the bumper.

Step 5:
Now that the diffuser is clicked into place, install the four factory 8mm screws in their original position.


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RKP’s X5M and X6M diffuser revealed!

Published on August 7, 2015 by in Uncategorized
RKP’s X5M and X6M diffuser revealed!

RKP Composites has emerged as an industry leader of top quality US and German-made carbon fiber products, starting with an excellent development history in the E92 market. RKP was responsible for bringing M3 GTS and M3 GT4 racing parts to US M3 owners, and easily made the transition to stylish carbon fiber components for the F10, F82, and now F85 chassis. By working within the confines of the original BMW body lines, RKP was able to create uniquely attractive carbon fiber components that made long-standing carbon manufacturers take note. RKP’s approach to exterior accessories that followed BMW’s own design language quickly set the brand apart from their competitors.

RKP’s rear diffuser for the F85 X5M and F86 X6M was designed to remain congruent with BMW’s design language, adding aggressive fins to the center section of the rear bumper while maintaining the outermost ridge of the factory BMW diffuser so as to appropriately balance the existing body lines with the new fins. The RKP X5M and X6M diffuser uses only existing BMW mounting locations and screws, and requires no modification to the car to install.

The RKP F8x X5M/X6M rear diffuser is constructed from 100% carbon fiber, and is hand-laid in the United States. Each piece is designed for excellent fit and finish, and available in a 1×1 plain or 2×2 twill weave. Enjoy the photos!

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IND installs HRE P101 on a Porsche 918!

Published on August 5, 2015 by in Uncategorized
IND installs HRE P101 on a Porsche 918!

I can say with absolute confidence that Ferdinand Porsche could not have possibly fathomed a creation like the Porsche 918. Even the best science fiction writers of his day could not have envisioned a vehicle with this level of performance. Silent drive, a 2.2 second 0-60 time, CFRP chassis, a combined hybrid drive fuel economy of 67 miles per gallon, these figures would have sounded like nonsense to a citizen of 1950s Europe.

Even in 2015, experiencing a 918 in person is akin to encountering alien technology for the first time. Forget the science fiction exterior styling, the incredibly elegant center console, the exhaust outlets placed directly behind the driver’s and passenger’s heads- the sheer sound of the car during start up and idle is enough to terrify a layperson. The lack of sound in all electric mode completes the experience, and gives the distinct impression that the technology contained within the aerodynamic body of the 918 is not of this earth.

Simply encountering a 918 in person is a privilege, but the chance to personalize and photograph one for its owner is a truly once-in-a-lifetime opportunity.

The HRE P101 wheels seen on this 918 were discussed, selected, and planned long before this incredible car was delivered to its owner. In fact, this 918′s owner had the wheels installed at Porsche’s facility, prior to taking delivery of the car! Their gloss black finish was an excellent accompaniment to the black stripe work on the car, which itself is an homage to the Porsche Salzburg team of the late 60s and early 70s.

We were thrilled to install this set of P101s on our client’s 918, ultimately proving that even when one owns something as unique as number 512 of 918 of the ultimate Porsche hyper car, there is always a drive to make a sports car your own. Enjoy the photos!

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BBS FI-R comparison by IND: 20″ vs 19″.

Published on July 27, 2015 by in Uncategorized
BBS FI-R comparison by IND: 20″ vs 19″.

Most members of BimmerPost know that IND staff are not strangers to the FI-R. Starting with our first meeting about the FI-R wheel with BBS Motorsport in Germany in 2013, we’ve been doing everything possible as a distributor of BBS products to push the FI-R project forward. This year, M owners and ourselves have finally gotten to enjoy the FI-R wheels for the first time.

This week IND’s first set of 20” FI-R wheels arrived at IND, enabling us to have a direct comparison of the weight of the 19” FI-R and the 20” FI-R wheel. We were also able to photograph one of our 19″ sets next to our 20″ set, giving a direct visual comparison. We’re excited to share this information with BimmerPost!

20″ BBS FI-R

19″ BBS FI-R

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IND takes on the BMW F15 X5M and F86 X6M

Published on July 24, 2015 by in Uncategorized

One of the first areas we chose to attack was the exhaust sound of the X5M and X6M. The car’s incredible power output commands a strong exhaust note, and we have worked with Eisenmann GmbH to accommodate.
We worked hard to give our clients a multitude of choices for the new super SUVs, and so have created two completely different styles of exhaust system with Eisenmann. These early preview images show the Eisenmann Race exhaust system, designed specifically to maximize power output and exhaust note. The original BMW muffler is deleted and two high flow resonators are put in its place, allowing Eisenmann to tune the exhaust note while minimizing restriction.

Each race system will be hand-built from 304 stainless steel, and is available with either four 102mm steel tips, or four 93mm carbon fiber tips. Each race system will showcase Eisenmann’s signature flawless fitment and sound.

For those more interested in a more sedate volume level with a classic Eisenmann tone, a sport sound level will also be available, which will be constructed in a more traditional full exhaust canister design.

Please stay tuned as we continue exhaust system development with Eisenmann GmbH!

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IND’s M4: testing and validation.

Published on July 17, 2015 by in Uncategorized
IND’s M4: testing and validation.

As many BimmerPost readers know, IND Distribution and Fall Line Motorsports have been cooperating to push the envelope of what’s possible with F8x M chassis street cars, nearly as soon as the cars arrived in the United States. Our goal is to maintain the everyday driving comfort of these incredible cars, while improving not only the ability of an M3 or M4 to generate an excellent lap time, but also the car’s ability to be an easy to drive, forgiving car on the track. It is this second element that is especially critical, in creating the components we will choose to offer and manufacture- tuning our suspension appropriately to create a car that can be safely used by drivers of multiple skill levels.

The development of Fall Line’s suspension components can be tracked by following the below link:


Last week, we started what will be a series of on-track tests of the components we’ve installed to gather basic information about the car’s behavior, alignment settings, and braking performance. Steve Jenkins would help us to test the car. Steve has been a professional racing driver for a decade, with over 25 starts in Grand Am, 30 first place finishes in SCCA National level competition, and a myriad of other successes in racing of all types. Steve’s racing experience is invaluable, and will help us to develop and fine tune the car and it’s components over time.

I was thrilled to be able to finally directly test the components that our partners and I have been developing for so long. From our conversations with BBS Motorsport two years ago about the FI-R, it’s spec, and it’s sizing for the M4, to our near-daily visits to Fall Line Motorsports, we would now get to see all of the components in action.

We started by preparing the car, at IND. Steve is an experienced driver with countless laps around AutoBahn’s south course, so we chose to prepare the braking system accordingly.

We changed pads to the currently in development RE10 endurance compound, and added Brembo’s stellar HTC 64 fluid. Because this is a true motorsport-grade fluid with a unique chemistry, a full bleed was necessary to maximize its advantages.

Caliper temperature stickers were applied, to allow us to easily monitor caliper operating temperatures.

We also applied temperature sensitive paint to the brake rotors, to determine how hot the discs would get with the new RE10 pads in place. The green paint flashes at 430 degrees Celsius (800 degrees Fahrenheit), while the red paint flashes at 630 degrees Celcius (1,166 degrees Fahrenheit).

Finally, after a bit of prep, we found ourselves with Steve Jenkins at Fall Line’s on-site AutoBahn garage. Their facility at AutoBahn Country Club stores client’s race cars directly at the track, and has two full time techs that can service anything that a race car may need during an event.

After discussing the car and it’s setup a bit, Steve suited up and prepared to give our M4 a try.

We had also changed rear sections from the Eisenmann Heritage rear section most know and love to the Eisenmann GT4 rear section. This exhaust was developed specifically for use in homologated motorsport in Germany, and is a no-frills means of getting exhaust sound to the rear of the car. While the homologated version requires catalytic converters at the rear of the car (just ahead of the tips), we opted for a catless version which emits an absolutely menacing growl. It was this sound that created an absolutely palpable excitement as our M4 pulled up to AutoBahn’s grid.

I was eagerly awaiting Steve’s impressions on the car, as I watched him expertly maneuver it around the South Course.

Whenever our conversation would shift to the car’s suspension, the word of the day was “compliant”. On one end of the equation, the spherical bearings we’ve installed have eliminated unwanted geometry change from the system, helping for the suspension arms to move through their range of travel without rubber bushings flexing unexpectedly. The reduced toe change under braking, and in turn in, helps the driver to more precisely understand what the car is doing, and grants the car a more predictable nature.

The other end of the equation of course lands on the car’s JRZ dampers. Not only are the spring rates reasonable enough to provide excellent compliance over AutoBahn’s surface imperfections and irregularities, but the JRZ dampers themselves are excellently valved. In harmony, the springs, dampers, and suspension bearings create a car that is at once responsive and forgiving. Steve and I both had an opportunity to drive the car on the South course, and both found that we could easily drive the car at apex curbs that are normally an absolute “do not approach” in other cars. Where other cars (M cars included) would get upset, lose traction, and give the driver a reason to correct at least and a true scare at worst, this M4 would simply soak up the curb and continue along the course, flat out.

Although only two sessions were available to us that day, we felt that we had gathered some valuable information about the M4 as it is set now, and will work to expand our knowledge in the future.

Between sessions Steve was able to give feedback on the car’s handling and braking, and I had an opportunity to measure tire temps as well as brake rotor temps.

Upon pulling the M4 back into Fall Line’s garage, we were able to remove the wheels and check the rotor paint we had applied earlier. We found that both the green and red paint had flashed on the front rotors, but not all the way through into the rotor vanes. We also found that the red paint had not flashed on the rear rotors.

We are very grateful to our partners at BBS, Brembo, JRZ, and Fall Line Motorsports for not only working with IND to design and spec these components, but also for allowing us to use their parts as they should be- on a road course, where the M4 truly shines. We are grateful to Steve Jenkins and Fall Line Motorsports for their continued support, and we are of course grateful to the BimmerPost audience for giving us a reason to do these things! Please stay tuned as we continue to pursue the best street and track M4 possible.


The M4, like any street car, is set up to understeer from the factory. A fast driver can overheat the front tires, and must be mindful to not overdrive the car at the tail end of a 20+ minute session. This setup is good for a beginner to intermediate driver, but a more advanced driver may prefer a more neutral car, depending on driving style.

The car is balanced from a spring rate standpoint, and my opinion is that most of the (very mild) understeer that we did experience can be tuned out by simply adjusting tire pressure to taste. This will of course depend on driving style, track conditions, which course the car is at, and so on.

The JRZ dampers are incredibly compliant, and yield a car that is literally nearly impossible to upset with road irregularities. The dampers (when valved to Fall Line spec) are excellently valved and constructed, and generate enormous mechanical grip.

Some drivers may elect to install slightly higher rate springs then what comes with the kit, depending on the course they’re driving. The spring rates provided with the kit as standard (in JRZ/Fall Line spec) are phenomenally comfortable for street driving, and are ideal for a road course with bumps and irregularities. Beginner and intermediate drivers should use the as-provided rates, while more advanced drivers may go higher in spring rate on a smooth road course.

Based on the tire temperatures I took at the track (posted below), the camber settings we are using are healthy for these tires, this spring rate, and this car. Our tire temps suggest a potentially less than ideal cross weight, which will be checked next time the car is aligned.

The FI-R wheels have of course proven their mettle, and have once again shown that BBS Motorsport is second to none. Their incredibly low weight contributes to an overall low unsprung mass. The wheels themselves have not shown signs of wear or bending after three separate track outings, and I expect that they will last for many years to come, even with heavy use.

According to our rotor paint, the brake disc surface temperatures are reaching 630 degrees Celsius (1,166 F) and higher, which is hot. This speaks to the increased brake demand of the M4 that has been rumored in BMW Motorsport circles. The M4 can generate a fantastic amount of mechanical grip (especially with sports tires like our AD08R installed), is very well balanced under braking, and the ABS system is particularly well designed for track use. These factors combine to create a car that generates enormous temperatures under braking, when piloted by a fast driver. We and the folks at Brembo expect that the temperatures would be even hotter with OE calipers and discs, which are not as well suited to dissipating these temperatures.

The paint inside the disc vanes has not yet completely flashed, which suggests that the vane is operating under 630 degrees. Based on the flashing of the green and red paint on the outside of the disc, we expect that the vanes are operating somewhere in the 550 degree Celsius range.

The pads are operating at a moderate to high temperature, which is expected for heavy track use with a fast driver. The RE10 pad is very stable at elevated temperatures, offering high bite and stable performance. We are confident that lesser friction materials not suitable for professional racing use would not work consistently at elevated temperatures.

Of course, any brake system is made whole when brake ducting is installed. We expect that as M3/M4 owners become more serious about driving their cars at road courses, they will want to install proper brake ducting to cool the front discs. At that point, we will look to develop a bolt-in kit.

Steve commented that the rear of this car feels much more planted than the rear of his own F80 M3 above 120mph. We are confident that like the M3 GTS before it, the RKP wing on our own M4 is helping to improve the high speed stability of the car.

Car data:
2015 BMW M4

Performance modifications:
JRZ RS Two dampers with camber plates
550 lbs/in front springs
700 lbs/in rear springs

Fall Line Monoball conversion kit

Brembo GT kit, 380mm slotted discs

RE10 brake pads

Brembo Racing HTC 64 fluid

BBS FI-R wheels

Yokohama Advan AD08R tires
275/30/19 front
295/30/19 rear

Eisenmann downpipes

Eisenmann resonated center section

Eisenmann GT4 rear section

RKP front lip

RKP rear diffuser

RKP wing

Alignment data coming soon

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