04-08-2015, 11:28 PM | #1 |
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F22: The Great Radiator Controversy
NOTE: the issue described below has been figured out. Please see this thread for the explanation.
As initially discovered in this thread, there seems to be a bit of a mystery regarding what optioning triggers the inclusion of a second auxiliary coolant radiator on the driver's side of many F22s with M Sport bodywork, including both the 228i and the M235i. Background: I have a 2015 228i M Sport, 3/15 build, staggered run-flats and no THP. A friend of mine also has a 2015 228i M Sport, 3/15 build -- his VIN is only 14 higher than mine, meaning the car was likely built the same day as mine -- but he has the THP with standard staggered Michelin PSS tires. My car does not have the extra radiator. His car does. At first we thought it had to be an unmentioned part of the THP. But we both have seen 228is with THP and no driver's side aux radiator. Remember that the 228i can be ordered with the THP in Sport Line trim, which has fog lights in place of the left and right valence intakes. In fact, he's all but certain that he's seen M235is -- which come standard with all of the 228i THP trappings -- without the aux radiator. So this oddity may not even be limited to the N20 engine. So here's what we know: - The easiest way to tell if an F22 has the driver's side aux radiator is if the driver's-side (left) front valence intake is open. If it is, you will see the radiator behind it, and there will be a grate in the left front wheel well to let air pass through. - All F22s with M Sport bodywork have an aux radiator on the passenger (right) side; the right intake is open, and a wheel well grate is present. The driver's side aux radiator is essentially a mirror of the passenger-side setup. - If the driver's side (left) front intake is solid plastic and there is no left-front wheel well grate, the car does not have the second aux radiator. The space behind the blocked-off intake is totally void. - The inclusion of the second aux radiator requires at least three large unique parts: the radiator, an open left-front intake grate, and a left-front wheel well moulding piece that includes an open grate (it is not blocked off with a removable panel on cars without the radiator; the area is solid plastic). What we need to figure out is why some F22s get the second aux radiator and why others don't. It's not dependent on the THP, the M Sport option, or even the N20 engine, apparently. We don't think it has anything to do with SULEV certification. It plainly has nothing to do with tire or wheel selection. IIRC, all North American F22s are outfitted with BMW's hot-climate cooling package, so that's not it. So far, the evidence points to the radiator's inclusion being totally arbitrary, at least on 2015 M Sport-bodied cars. Any ideas or insight from anyone? Should we start taking a roll call of who does and doesn't have the second radiator (with model, model year, build month, trim level, and factory mechanical options like THP noted)? (or, in a nutshell: WTF, BMW?)
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04-09-2015, 12:36 AM | #3 |
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04-09-2015, 04:31 AM | #4 |
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My build:
2014 228i M Sport Estoril Blue Premium Package Tech package Cold weather HK Sound Bridgestone summer only runflats I have BOTH auxiliary radiators. |
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04-09-2015, 06:32 AM | #5 |
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If history is any guide, it may well be a function of the speed rating on the tires shipped from the factory.
Cars with high-speed synchronization 840 get an extra radiator per realoem.com: http://www.realoem.com/bmw/showparts...49&hg=17&fg=05 Lots of people went through a variant of this with the E90 series 335. In the past, if you picked a tire option that doesn't have a high enough speed rating, BMW sets the top speed limit on the car at 130 mph and doesn't include the "840" high speed option. If you picked an option with high speed rated tires, the top speed limit goes to 155 and the car gets the extra radiator. This may be a subset funtion of the same process. Look at the speed rating on the tires on your car and on your friend's. What's the rating on each? Or, look on your Mulroney stickers. Does one have "840" listed in the options and the other not?
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04-09-2015, 07:20 AM | #6 | |
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I checked out the link from the other thread showing the picture but want to see a picture of it not being there...
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04-09-2015, 07:33 AM | #7 |
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Drives: 2014 228i Msport
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2014 228 Msport, Manual, Standard MSport Suspension. I have both radiators/Coolers.
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04-09-2015, 07:50 AM | #8 |
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Well, I have an M235i with the Michelin PSS tires with the higher speed rating and I don't have the extra radiator on the drivers side. Maybe they are not putting them on the convertibles? You can clearly see the radiator on the passenger's side but the drivers side is blocked out.
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04-09-2015, 09:31 AM | #9 | |
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04-09-2015, 09:31 AM | #10 |
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My configuration per VIN decoder.
2014, lighting, premium, m-sport, all season I have both auxiliary radiators. -------------------------------------------------------- Model description: 228i Market: USA Type: 1F53 E-Code: F22 Chassis: Coupé Steering: links Doors: 2 Engine: N20B20O0 - 2,00l (180kW) Drive: Heckantrieb Transmission: manuell Body Color: Alpinweiss 3 (300) Upholstery: Leder Dakota/korallrot/akzent Schwa (LCL5) Production date: 01.04.2014 Assembled in: Leipzig Code Serienausstattung Standard Equipment S1CBA CO2 Umfang CO2 package S216A Servolenkung-Servotronic HYDRO STEERING-SERVOTRONIC S249A Multifunktion für Lenkrad Multifunction f steering wheel S258A Bereifung mit Notlaufeigenschaften Tire with run-flat functionality S4AEA Armauflage vorn verschiebbar Armrest front, retractable S4NEA Blow-By Heizer Blow-by heater S544A Geschwindigkeitsregelung mit Bremsfunkt. Cruise control with brake function S5DCA Kopfstützen im Fond klappbar Rear-seat headrests, folding S5DSA Notentriegelung Kofferraum Emergency release, luggage compartment S645A BMW US Radio BMW US Radio S663A Radio BMW Professional Radio BMW Professional S823A Heissland-Ausführung Hot-climate version S845A Akustische Gurtwarnung Acoustic belt warning S853A Sprachversion englisch Language version English S992A Steuerung Kennzeichenbefestigung Control of number-plate attachment S993A Modelljahrescode in FG-Nummer model year code in VIN Code Sonderausstattung Optional Equipment S1CAA Selektion COP relevanter Fahrzeuge Selection of COP relevant vehicles S2TSA BMW LM Rad M Doppelspeiche 461 S2VBA Reifendruckanzeige Tyre pressure control (TPC) S319A Integrierte Universal-Fernbedienung Integrated universal remote control S322A Komfortzugang Comfort access P337A M Sportpaket M Sports package S3DZA Entfall Zusatz-Schriftzug aussen Delete extra external lettering S403A Glasdach elektrisch Glass roof, electrical S423A Fussmatten Velours Floor mats, velours S430A Innen-/Aussensp. mit Abblendautomatik Interior/outside mirror with auto dip S431A Innenspiegel automatisch abblendend Interior mirror with automatic-dip S441A Raucherpaket Smoker package S459A Sitzverstellung elektrisch mit Memory Seat adjuster, electric, with memory S481A Sportsitz Sports seat S488A Lordosenstütze Fahrer u. Beifahrer Lumbar support, driver and passenger S493A Ablagenpaket Storage compartment package S4ADA Interieurleisten Alu Längsschliff fein Interior trim strips, alu, brushed, fine S4DLA Akzentleisten schwarz hochglänzend Accent strips, black, high-gloss S521A Regensensor Rain sensor S522A Xenon-Licht Xenon Light S524A Adaptives Kurvenlicht Adaptive Headlights S534A Klimaautomatik Automatic air conditioning S563A Lichtpaket Light package S655A Satellitentuner Satellite tuner S676A HiFi Lautsprechersystem HiFi speaker system S697A Area-Code 1 für DVD Area-Code 1 for DVD S6ACA Intelligenter Notruf Intelligent emergency call S6AEA TeleServices TeleServices S6NHA Freisprecheinr. mit USB-Schnittstelle Hands-free with USB interface S6VBA CCC Zusteuerung CCC allocation S704A M Sportfahrwerk M Sports suspension S710A M Lederlenkrad M leather steering wheel S715A M Aerodynamikpaket M Aerodynamics package S754A M Heckspoiler M Rear spoiler S760A Hochglanz Shadow-Line High gloss shadow line S775A Dachhimmel anthrazit Headlining anthracite S8KLA Ölwartungsintervall 15.000 km/12 Monate S8S4A Decodierung variable Lichtverteilung Decoding variable light distribution S8TMA Tagfahrlicht bei Fahrzeugstart inaktiv S8TNA Tagfahrlicht über Lichtmenü S925A Versandschutzpaket Transport protection package S9AAA Aussenhautschutz Outer skin protection |
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04-09-2015, 09:38 AM | #11 |
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2014 BMW M235i Canada. ZF8, near fully loaded. Arrived at dealer last march 2014 for timing. MPSS tires.
I have both radiators with open vents. My bumper does not have headlight washers as a note ( maybe this could be affecting things?) |
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04-09-2015, 09:43 AM | #12 |
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Drives: '14 M235i (MR)
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'14 M235i, Canada. ZF8, MR paint, everything else is base. I've got both radiators.
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04-09-2015, 09:55 AM | #13 | |
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1). Blow-By Heizer Blow-by heater S544A Is this second radiator the "Blow-by heater"? 2). Heissland-Ausführung Hot-climate version S845A All NA cars should have this standard. But maybe that's not the case with F22s? So this is definitely something that affects both 228is and M235is. It's not engine- or model-dependent.
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04-09-2015, 10:00 AM | #14 |
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Just thinking out loud, so the smaller radiator can be for either; oil cooler, transmission cooler, engine coolant, turbo cooling or A/C
Reasons they may want to relocate to some remote cooling, xenon headlamp create to much heat for A/C components? Could they be mounting an auxiliary trans radiator for manusl transmissions down low? Do any automatic transmission cars have the left hand side small radiator? Do all the cars use same A/C model, would they source componets for the same model from different suppliers? |
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04-09-2015, 10:02 AM | #15 | |
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1). I wonder if cars without the CWP (Cold Weather Package) have these tunnels? And the big one: 2). I also wonder if those who order the CWP have S845A (Hot-climate version) deleted? So we all need to include an extra detail: - Does your car have the CWP (Cold Weather Package)?
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--Helmets are for closers.-- <<Current: "Blackened" '18 NBM Porsche 718 Cayman ... Gone (but not forgotten): "Blackened" MG '15 228i M Sport w/aFe filter/scoop, Hertz drivers, P3Cars multigauge, other goodies>> |
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04-09-2015, 10:10 AM | #16 | |
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It's not a manual/auto issue, either. The second radiator is definitely coolant of some sort. My buddy's M Sport with the THP is an auto just like mine. He's got the extra radiator. I don't.
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--Helmets are for closers.-- <<Current: "Blackened" '18 NBM Porsche 718 Cayman ... Gone (but not forgotten): "Blackened" MG '15 228i M Sport w/aFe filter/scoop, Hertz drivers, P3Cars multigauge, other goodies>> |
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04-09-2015, 10:12 AM | #17 | |
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From what I can tell in my car both auxiliary radiators are for coolant. The passenger side takes the hotter intake while auxiliary radiator on driver side takes cooler output from the main radiator. Cars with CWP may have hot-climate option removed so the additional cooling on the driver side is not needed and it is removed. |
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04-09-2015, 10:16 AM | #18 | |
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Just because I like heated seats in the winter (and even early spring/late fall) and want that trick heated steering wheel, I've got to settle on my engine having less cooling capacity in a climate where summer temps routinely go over 100 degrees? Ummm ... guys ... I think it may be petition time, part deux (First one: the HK fiasco last year) ... (I'm now quite glad that I bought a P3Cars gauge. At least I can monitor coolant temps.)
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--Helmets are for closers.-- <<Current: "Blackened" '18 NBM Porsche 718 Cayman ... Gone (but not forgotten): "Blackened" MG '15 228i M Sport w/aFe filter/scoop, Hertz drivers, P3Cars multigauge, other goodies>> |
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04-09-2015, 10:24 AM | #19 | ||
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04-09-2015, 10:36 AM | #20 |
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HAR! Indeed ...
OK: Killramos' M235i has all the CWP trappings and both radiators. But: it's a Canadian-spec car, so this phenomenon may only be for U.S. F22 models. Anyone in the U.S. with the CWP and both radiators?
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--Helmets are for closers.-- <<Current: "Blackened" '18 NBM Porsche 718 Cayman ... Gone (but not forgotten): "Blackened" MG '15 228i M Sport w/aFe filter/scoop, Hertz drivers, P3Cars multigauge, other goodies>> |
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04-09-2015, 10:38 AM | #21 | ||
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The mystery lives on!!!!!
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