E46 Oil Cooler Thermostat, Remove components blocking access. Drain oil (and coolant if needed). About this item BMW Genuine O-Ring For Engine Lubrication Oil Cooler Thermostat (18 X 3 Mm) Manual Trans. 1 x MOUNTING CLAMP FOR COOLANT EXPANSION. Buy Unique Bargains Engine Coolant Thermostat for BMW 535D 2014-2016 for BMW 740LD 2015 11518516206 Engine Coolant Thermostat Housing Water Outlet Assembly Pack of 1 at Walmart. MSRP stands for Manufacturer's Suggested Retail Price. Other factors can have one with the transmission oil either too hot or too cold. ON SALE! This unit controls the temperature of your automatic transmission fluid. The oil cooler never sees the full flow of oil due to a bypass valve, which ensures a certain amount goes around the engine. UPDATE 12/13/23 - SOLVED! see post at bottom of thread. The ultimate oil cooling solution for your track or race Non-M E46. 2000 BMW 323Ci Automatic Transmission. Before swapping for a bigger radiator with a complex installation, it is possible to simply remove the stock thermostat to decrease operating temperature from 5 to 10°C. It’s like opening up a jack in box – spring included. This is a step by step DIY article on how to overhaul the entire cooling system on BMW E46 3-Series 99-05 323i 325i 330i or 325xi and 330xi. Free delivery on eligible orders. 3. New Oil Cooler Thermostat from 1AAuto. Gesendet von meinem Pixel 7 mit Tapatalk 2002 E46 M3 TiAg Coupé >> full tracktool conversion @m346gt 2000 986 Boxster S >> ice cream getter Past: E46 330Ci, 944S2, 996 C4S stephen E46 / E90 / E60 / E83 / E53 Breather Hose R 299. I put in about 800 miles and the car has been great to date. 2001 bmw 325i e46 base model, 90,000 miles. Interested in purchasing this E46 oil cooler? Check out our product page for more information! Mishimoto BMW E46 M3 Oil Cooler Kit When the oil heats up to 70-75 °C (158-167 °F) (sometimes up to 80 (176 °F), the thermostat opens a large circle through the installed external cooler, thus not allowing ATF to heat up to more than 70-85 degrees. This part is listed by BMW as BMW part number 17111437362 (17-11-1-437-362) and is described as the automatic transmission thermostat mounted in the expansion tank) for E46, E83 X3, E53 X5, and E85/E86 Z4 models. My first motive was to get the bmw tool 5346 in order to slip the oil cooler out, but seeing as the plastic tabs are gone I dont even know if it will even work (shown in the diagram below). It closes oil flow to the cooler until the engine is warm. 1 x EXPANSION TANK. Then we remove the stock oil cooler thermostat and install a diverter valve to allow for full flow of oil to the cooler. Others report that at close to 45 minutes the without an oil cooler the temperature gets uncomfortingly high. Compatible with any E46 M3 S54 engine, or any M50, M52, M54, S50 or S52 Oil Cooler Thermostat. It started off as a simple coolant expansion tank replacement. In this video you join me replacing the faulty thermostat on my 2003 e46 M3. 0:00 - Intro 2:56 - Parts required3:10 - How to jack up an e46 M34:01 - How to dr Thermostat Blanking Plug for BMW M3 E36 & E46 In intensive use, the OEM oil cooling system of the M3 E36 & E46 often can't handle the stress put on it. 5. Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return. . I've googled and learned that allegedly only about 50% of the oil goes through the cooler on our S54 M3's. 2001-2005 BMW 325Ci Automatic Transmission. After finally pulling off the expansion tank, i noticed that the oil cooler thermostat was cracked and tilted (probably caused the expansion tank failure in the first place - grrrrrr. For those wanting to see more of BMW's 4th generation 3 series, the beautiful and timeless E46 I purchased a Dorman expansion tank kit which included the tank, oil cooler thermostat (original didn’t break when removing old tank but replaced anyways), and coolant level sensor. Since I had some problems with the coolant temp and coolant leak from the thermostat, I decided that it would be a good time to replace it. 11421744000 with advantages, this forged aluminium lid is ideal for installing oil pressure and temperature gauges on your BMW. Ended up buying a new bracket that holds the expansion tank and a new oil cooler thermostat (Part # 17111437362) and it was alll good after. com FREE DELIVERY possible on eligible purchases Located at the bottom of your BMW's expansion tank, controls the flow of coolant into the transmission oil cooler When replacing your BMW's expansion tank it is recommended to also replace your automatic transmission oil cooler thermostat as well. com Includes new Thermostat, Mounting Plate and Water Connection Pipe. I live in socal so we do get a lot of sunny days. With the factory unit, full flow is never achieved, some is always diverted back to the engine without any cooling. A great way to reduce oil temperatures while on track. Find more , and products. What going on guys, so last night I did a decent amount of maintenance some planned some unplanned. We've taken the E46 M3 factory oil cooler to a completely new level for all NA, supercharged and turbocharged E46 M3's. com 17111437362 Oil Cooler Radiator Expansion Tank Thermostat Fit for BMW E46 E53 E83 X3 in Thermostats. 5L Automatic Transmission Oil Cooler Thermostats Sort By Return to Top Buy Oil Cooler Thermostat Assembly for BMW 3 Series E46 w/Automatic Transmission: Engine Oil Coolers & Kits - Amazon. 2001-2005 BMW 325i Automatic Transmission. com FREE DELIVERY possible on eligible purchases Find many great new & used options and get the best deals for Oil Cooler Thermostat Assembly for BMW 3 Series E46 at the best online prices at eBay! Free shipping for many products! The MSW Oil Cooler Kit starts with a brand new S54 oil filter housing*. com: Oil Cooler 926-959 Upgraded Aluminum Engine Oil Filter Housing Oil Cooler Kit Fit for 3. Drops oil temps by ~5°C. 2001-2005 BMW 325Xi Automatic Transmission. The downside is, you have to disconnect the fittings and unscrew the top to replace the oil filter. BMW E46 ATF thermostat removal and replacement Order Genuine BMW 330xi Thermostats online with affordable price today! BMW Parts Deal's large inventory of Thermostats fit 2001-2006 BMW 330xi and more. 1, inspect the upper half of the OFH and you’ll locate the thermostat circular in shape. Additional sub-systems like the heater core, turbochargers, and oil coolers are tied in with the main engine cooling system or have their own dedicated sub-systems. I. This kit will lower peak oil temperatures by as much as 30-50°F. I had to remove the upper radiator hose to get at the serp belt and put everything back together topping off the expansion tank with fresh BMW coolant. 00 Add to Cart Buy Oil Cooler Thermostat Assembly for BMW 3 Series E46 w/ Automatic Transmission 17111437362 at Aliexpress for . ---- Hi all - I'm new to the community, but have read countless DIY and troubleshooting threads, and I now humbly come seeking assistance - A week ago, after dropping my son off at school on one of the first cold days of the year, I Buy Niyako Oil Cooler Radiator Expansion Tank Thermostat Replacement# 𝟏𝟒𝟑-𝟎𝟖𝟕𝟐 𝟏𝟕𝟏𝟏𝟏𝟒𝟑𝟕𝟑𝟔𝟐 Fit 1999-2010 E46 E53 E83 E85 E86 X3 X5 Z4 323 325 328 330: Thermostats - Amazon. E36 M3, E46 M3 and Z3M/Z4M all have an oil cooler and oil thermostat. Install new cooler with fresh gask The trans cooler has what looks to be inlet and outlet ports that attached to the lower left part of the radiator. 5L Automatic Transmission Oil Cooler Thermostats Sort By Return to Top hey guys its my first time replacing an automatic transmission oil cooler thermostat in my e46 and im having a bit of difficulty. hey guys its my first time replacing an automatic transmission oil cooler thermostat in my e46 and im having a bit of difficulty. 1 x EXPANSION TANK RETAINER / PLATE. Does the E46 M3 have a thermostat in the oil cooler housing? Hey, i have a 05' 330ci zhp, i have replaced the radiator, hoses, fan shroud, thermostat, so my question is how do i know if my Trans Oil Cooler thermostat is in good condition or broken? Oil Cooler Radiator Expansion Tank Thermostat Fit BMW 325i X3 Z4 E46 3Series : Amazon. Cooling Components: Generic Summit 27x19 fat radiator, Earls 13x11 oil cooler, 1300 cfm puller and factory electric fan (92C? switch), factory water pump and thermostat, half bottle of Water Weter. Does the E46 M3 have a thermostat in the oil cooler housing? Does the E46 M3 have a thermostat in the oil cooler housing? Always replace your transmission thermostat when replacing your reservoir tank, water pump, and engine thermostat to prevent future maintenance and longevity for your car. 2. Jul 20, 2025 · Oil Cooler Thermostat Assembly for BMW 3 Series E46 w/ Automatic Transmission $20. com FREE DELIVERY possible on eligible purchases A BMW oil cooler works just like a radiator for your engine oil, circulating the oil through channels in the oil cooler core to allow heat to dissipate into the atmosphere, moving cooled oil back to your high-revving BMW engine to lubricate and absorb more heat. The replacement process is done on a M54B22 engine but it's the 17111437362 Oil Cooler Radiator Expansion Tank Thermostat For BMW E46 E53 E83 E85 E86 X3 X5 Z4 323 325 328 330 Part# 17 11 1 437 362 in Thermostats. 1 x EXPANSION TANK CAP. If and when I rebuild my engine or takeoff the intake manifold, I will switch to the S54 OFH. 4. This presents a … Continue reading "Oil Cooler Mod (330Ci)" Buy Niyako Oil Cooler Radiator Expansion Tank Thermostat Replacement# 𝟏𝟒𝟑-𝟎𝟖𝟕𝟐 𝟏𝟕𝟏𝟏𝟏𝟒𝟑𝟕𝟑𝟔𝟐 Fit 1999-2010 E46 E53 E83 E85 E86 X3 X5 Z4 323 325 328 330: Thermostats - Amazon. Information like which side a part fits (LEFT or RIGHT) and specific vehicle attributes (Transmission, AWD/RWD, and other vehicle exclusions) are included for your information in this LEFT COLUMN. 95 Free shipping Oct 7, 2021 · TRQ Oil Cooler Thermostat Assembly Compatible with BMW 3 Series E46 w/Automatic Transmission Buy Oil Cooler Thermostat Assembly for BMW 3 Series E46 w/ Automatic Transmission (for 323Ci, for 325i, for 328i, for 330i) at Walmart. The best way to lower the temps is to get an oil bypass removal kit. 5L Automatic Transmission Oil Cooler Parts 1 2 Next Page Assembly Hardware Line O-Ring Thermostat Sort By Return to Top The #1 Online Source for Genuine, OE, & OEM European Replacement Car Parts since 1986. I have a 2003 BMW 325i. This part is sold as a PART NUMBER ONLY. ca: Auto Description du produit Reference OE part number: 17111437362,17137787039,17137553919,17111707777 Compatible with: Fit Compatible with 2000 323Ci E46 Fit Compatible with 1999 323i Sedan E46 Fit Compatible with 2000 323i E46 Fit Compatible with 2001-2006 325Ci E46 Fit Compatible with 2001 -2005 325i Find out the symptoms of a bad transmission cooler and the replacement cost to protect your transmission from heat damage. Disconnect lines and unbolt the old cooler. (e46)Is there any way to take out the expansion tank without breaking the oil cooler thermostat I have overhauled the entire system, but it leaks from under the expansion tank left side of the oil thermostat. Featuring two 1/8" NPT ports (common Using Aeroquip push on fittings, I mounted and oil cooler just behind the front bumper. Roadsports races last 45 minutes but the club enduro races are 2 hours. I Keeping the oil cool (total cost £425, including gauges) This mod will work for all M52, M54 and M56 engines. Mann HU925/4x, Mahle OX/154/1D, Hengst E106H D34, oil filter (or BMW P/N 11427512300) BMW E46 & Z4. 29K subscribers in the e46 community. This thermostat delete fits in place of the factory oil thermostat and provides full flow of all the oil coming out of the pump through the coolers. Has 52k now. BMW E46 325i M54 2. This is the suggested retail price provided by the manufacturer, supplier or seller. Buy YMAUGP 17111437362 Oil Cooler Coolant Radiator Expansion Tank Thermostat For BMW E46 E53 E83 E85 E86 X3 X5 Z4 323 325 328 330 Part# 17 11 1 437 362, 1430872: Thermostats - Amazon. We offer upgraded oil cooling options for your BMW to keep those oil temps down. 00 Out of stock E46 / E90 Thermostat EGR Exhaust Cooler (70 Degree) R 710. The factory oil cooler lines simply connect to our new oil cooler so no need for leaky AN fittings or steel braided lines. 3, careful when the c-clip comes out because that thing shot out nearly missing my eye. Remove stock oil cooler thermostat 5. First of all we remove the plastic cover of the engine by unscrewi… Interested in purchasing this E46 oil cooler? Check out our product page for more information! Mishimoto BMW E46 M3 Oil Cooler Kit Purchased an e46 M3 convertible about a month ago. com FREE DELIVERY possible on eligible purchases We specialize in high-performance oiling system products such as baffled oil pans, thermostats, oil catch cans, oil cooler adapters and oil coolers for GM LS engines, Ford engines, and others. com FREE DELIVERY possible on eligible purchases Recently did a major overhaul to this oil cooling system, had the oil filter housing off and fitted an oil thermostat delete. ) I can't figure out how to remove the oil cooler thermostat now. Long story short, it looks as though the previous owner put some of that radiator stop leak poison in my poor car, it's turned rock solid and the ATF thermostat is stuck and not coming out. Buy 17111437362 Oil Cooler Radiator Expansion Tank Thermostat For BMW E46 E53 E83 E85 E86 X3 X5 Z4 323 325 328 330 Part# 17 11 1 437 362: Thermostats - Amazon. This seemingly simple device is what helps control the temperature of your BMW's auto trans fluid. arrrggghhh. For you guys with an oil cooler, is the tstat necessary? Does it really take Turns out my automatic trans oil cooler thermostat broke when i took the expansion tank off the first time. 43 $62. Since the transmission oil is cross cooled via the intercooler, if the transmission oil thermostat is outside of nominal operation (we all know how notorious BMW's thermostats are over time) one could have the transmission running too hot if it's "sticky" or failing. Help puh-leazzzzee!!! PMC Motorsport Oil filter lid (cap) with oil cooler fittings and 2 sensor ports BMW M52 M54 M56 Stock lid replacement OEM part no. Quite cold out now and thinking when the Detailed torque specifications for the BMW 3 Series 4 (E46), made from (1997-2003), and tightening torques for all of its components, including the wheels, engine, brakes, suspension, and exhaust, in both Nm and ft/lbs. The overall opinion seems to have a tstat for a street car, none for a track car. Purchased an e46 M3 convertible about a month ago. 1. I took a look at the car the next day and saw coolant all over the ground. I New Oil Cooler Thermostat from 1AAuto. Bmw Thermostat BMW Oil Cooler Thermostat & Expansion Tank - Fits E46 E53 E83 E85 E86 X3 X5 Z4 Models 17 11 1 437 362 Replacement Benefit: OE Number: 17111437362; Usable: Fit for: E46 E83 X3 E53 X5 E85 E86 Z4; Durable: Opening temperature is 80°C. 1 x EXPANSION TANK THERMOSTAT. To extend the longevity of the car, is it worth spending about 650 on an oil cooler, 500 on a radiator, and 250 on Hey, i have a 05' 330ci zhp, i have replaced the radiator, hoses, fan shroud, thermostat, so my question is how do i know if my Trans Oil Cooler thermostat is in good condition or broken? Your OFH is apart. After the engine has warmed thermostat opens but even then only a part of oil flow is directed through oil cooler which makes these cars run pretty high oil temperatures on track. And the underlying reason is that you want to keep the oil from circulating through the cooler until the oil has reach an operating temp of 180*. This Oil Cooler Thermostat Assembly is a direct replacement for your for BMW 3 Series E46 with automatic transmission if it was manufactured between 1999 and 2006. Lifetime Replacement Guarantee, Free Shipping, and Unlimited Returns Call: 1-860-388-9001 Rather oil tends to be too hot on track, so people use an oil thermostat dummy, which always lets oil through the larger cooling loop. This transmission oil cooling effectively lowers transmission temperature by up to 50°C during demanding conditions, enhancing performances and longevity. Oil Cooler Radiator Expansion Tank Thermostat Oil Cooler Radiator Expansion Tank Thermostat for BMW E46 E53 E83 E85 E86 X3 in Thermostats. In square 3, you can see the plastic from the fan that broke off embedded with the oil cooler causing a horrible spill. Its partially broken as well. Save money on servicing, repairing and modifying your E46 BMW 3 Series by following my detailed, step by step, how to guides. 6L 2011-2023 Dodge Charger Challenger Journey, Jeep Grand Cherokee Wrangler, Ram ProMaster Chrysler 200 300 Replace 926-876 Find many great new & used options and get the best deals for EXPANSION TANK + Oil Cooler Thermostat 99 2000 01 02 03 04 05 for BMW E46 318i at the best online prices 17111437362 Oil Cooler Radiator Expansion Tank Thermostat For BMW E46 E53 E83 E85 E86 X3 X5 Z4 323 325 328 330 [part] in Cooler Accessories. in the video ive been watching the guy just presses it in with ease and the key way on the thermostat sits flush with the pipe it goes into whereas im having to put huge amounts of pressure on the thermostat and its Buy Oil Cooler Thermostat Engine Coolant Thermostat 17111437362 Auto Trans Oil Cooler Expansion Tank Thermostat Replacement for E46 E53 E83 E85 E86 318i 320i at Amazon UK. 1999-2000 BMW 323i Automatic Transmission. Feb 13, 2020 · Buy Oil Cooler Thermostat Assembly for BMW 3 Series E46 w/Automatic Transmission: Engine Oil Coolers & Kits - Amazon. BMW E46 Thermostat Housing and Water Pump Replacement DIY Top 10 Most Reliable Used Cars That Last Forever | Unstoppable Cars That Never Die! BMW E46 330i 325i Thermostat Replacement MECHANIC TIPS!! 40 Oil Supply 41 Oil Pump With Filter And Drive 42 Oil Filter And Lines 44 Oil Cooler 51 Water Pump With Drive 52 Fan 53 Thermostat And Connections 1 RA Removing And Installing Or Replacing Coolant Thermostat (M47) Page 690 Page 691 61 Intake Manifold 62 Exhaust Manifold 66 Vacuum Pump 71 Exhaust Gas Recirculation 72 Air Pump, Lines And Control BMW Serie 3 (1998-2006 / E46) In this tutorial we can see how to replace the thermostat in the BMW 3 Series E46. Assembled with custom parts by MSW for plug-and-play fitment. The automatic transmission uses an oil cooler mounted with the radiator and this thermostat will regulate the cooler operation. Automatic Transmission Oil Cooler Thermostat. Requires an S54 oil filter housing (can be selected below or provide… Demand the best, demand MAHLE. to/ia/1AZMX00181 In this video, 1A Auto shows how to remove, install, or replace a leaking or malfunctioning oil cooler thermostat. in the video ive been watching the guy just presses it in with ease and the key way on the thermostat sits flush with the pipe it goes into whereas im having to put huge amounts of pressure on the thermostat and its I was ordering oil filters today when I realized I should have a ready-made list of o-rings by part number to get while I'm already ordering other stuff (not just for oil changes but for all maintenance jobs). For a replacement unit, I used a spare themostat which I got 2 years ago from dealership. To extend the longevity of the car, is it worth spending about 650 on an oil cooler, 500 on a radiator, and 250 on Any of you guys with boosted(SC) M54's running an oil cooler? If so where do you tap in? There have been discussions before about using an oil thermostat with an oil cooler setup. com http://1aau. Improved Racing's bolt-on oil cooler kit adds extreme oil cooling performance to the 5th Gen Camaro SS. com FREE DELIVERY possible on eligible purchases I've got an e46 m3 track car (hardly any road use) and oil temps over last few trackdays are getting upto 125c. There is an auto trans thermostat at the bottom of where the expansion tank attaches. Any of you guys with boosted(SC) M54's running an oil cooler? If so where do you tap in? I changed all the belts on my wife's '01 325xi last weekend. Amazon. Because it eliminates the factory water-to-oil cooler setup, water temps will decrease as well. COOLING KIT. Z4M - cabrio and coupe BMW S50 and S54 engines have oil cooler thermostat that closes oil flow to the cooler until the engine is warm. 6. 2, remove the c-clip from the stock thermostat. This is a plug and play oil cooler that simply bolts right in and replaces the factory oil cooler. I replaced expansion tank, transmission thermostat that goes inside the connector hose under the tank. Crafted from premium aluminum alloy for superior heat transfer and corrosions resistance, it features optimized fluid dynamics achieving 93% cooling efficiency and seamless welding to Find many great new & used options and get the best deals for Oil Cooler Thermostat Assembly for BMW 3 Series E46 at the best online prices at eBay! Free shipping for many products! Special offer Oil Cooler Housing Assembly INFINAUTO Aluminum Oil Cooler & Filter Housing Assembly - Upgrade For Ram 1500, Chrysler 300, Dodge Charger - 68105583AF Aluminum Oil Filter Housing Ram 1500 I changed all the belts on my wife's '01 325xi last weekend. Before filling it up with Zerex G48 coolant I opened the bolt hole in the block itself to make sure I got as much old coolant out as possible. New BMW E36 M3 and E46 M3 oil cooler thermostat bypass valve (oil diverter). 1 x COOLANT LEVEL SENSOR. Auto Trans Oil Cooler Thermostat. Reliable: Brand new and never been used. High performance, directly replace the old or broken one. I also installed an in-line MishiMoto oil cooler thermostat. rudhf, wkstk, f7a6, lkbi4b, wz4pg, cuhb, hqdh, krgc, qp9wza, xz5z5,