M54b25 cam upgrade. 0L Engine Performance Camshaft. One of the many ways to get more horsepower out of your E46 BMW with the M54B25 engine is to install a pair of performance camshafts. You can get a B30 for roughly the cost of any 2 camshafts- hell, I got a complete 330 with a bad auto trans for LESS than a pair of factory ZHP cams cost t not camming these engines. 1 4 of 5 Go to page. Jun 1, 2019 · The cam upgrade is only one of the upgrades that I am planning. com/watch?v=K0-uxa Dec 3, 2020 · M54 Cam Upgrade. Stage 2 mods: fuel pump upgrades, Ported and polished head, Fast road cam, Sports catalyst & performance exhaust, high flow fuel injectors, induction kit. It’s one of the best “bang for your buck” performance M54 mods for all displacement variants of the engine. And your data claims, stock M54 is 240 duration, no way. 0 in) stroke. One end of the cam has a square flange. 3 in) bore and 75 mm (3. Mar 18, 2021 · Hey, if you improve air flow in, then all that mass has to go somewhere. I just want to show you the situation at RDM MOTORSPORT during camshaft installation. Jul 19, 2008 · Also check c_cam_op_in and c_cam_op_ex in the MS43. On the m52 cam, the bolt and gear are one piece, on the M54 they are two separate pieces, so if you loosen the the bolt, you need to make sure you put the gear back at the right orientation. 5mm of lift and the exhaust has 10. 2 cu·in) straight-six, four-stroke cycle natural aspirated gasoline engine from BMW M54-family. Otherwise, drive it like it is and love it. Joined Feb 20, 2008 BMW Parts E46 BMW E46 330Ci M54 3. T. A slightly more aggressive street or track upgrade Brand: ES#: 3032907 Mfg#: TMS200185 Jul 15, 2019 · The tube length for the M54B25 is 10mm shorter than the M52 compared to 20mm shorter for the M52B30. 5L Performance Parts & Upgrades All the performance upgrade options from the best brands in the business to help build your dreams. Other than that, it is a relatively simple modification for the power gains. 2 days ago · The BMW M54B25 is a 2. 7mm lift. Are these parts a direct bold on to the B25? See full list on torquecars. I chose the Schrick camshafts as part of the performance Aug 29, 2012 · I read on a forum here that the M54B25 2. As long as you leave the gear in place, it doesn't matter. If ZHP cams gain 10 HP, then maybe the Schrick's will get me 15-18. It is important to mention that while S50 cams will fit into an M50 using the stock cam trays, you do need to source S52 cam trays in addition to the cams if you go with an S52 set. 5 liters, achieved through a bore of 84 mm and a stroke of 75 mm. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track. Available configurations include: VAC Tech Tip: High Performance Valve Springs are recommended for track. As long as you upgrade supporting mods and tune properly, the M54’s stock bottom end can handle some serious extra muscle. Besides that I got a lot of new engine gaskets, seals, new guides, tensioners, new chains. Adding forced induction enters supercar territory, with turbocharged builds reaching over 500 hp. 5:1 due to the rotating assembly changes. A header upgrade would relive the horsepower robing backpressure of the original setup. Go. TerraPhantm · Registered. com Unlock additional horsepower with performance camshaft upgrades that offer higher lift and longer duration to suit your engine build. VAC Motorsports has been installing and racing Schrick cams for decades, putting these components to the ultimate test, with only consistent, powerful, and reliable results. I’m running a 2004 3. 0i and am looking for some feedback and info on some engine upgrades Mar 6, 2015 · That is why the easiest way to upgrade this motor is converting M54B25 to M54B30. Steer clear of Bremi - they constantly fail and there was a recall on them. M54 header upgrades help to reduce that Camshaft tuning is all about optimizing air/fuel flow for your specific needs. Feb 19, 2008 · m54b25 stock cam specs (duration, lift, centerline) Jump to Latest 61 - 80 of 88 Posts. 0mm. 0i will have more power in the mid and high RPM range with stable idle and no loss of torque in the bottom end. youtube. Looks like the gain from the ZHP cams is 5 hp and 2 ft lbs torque. The engine was manufactured on Munich Plant (Munich, Germany) from 2000 to 2006. M54B25 2,494 cc 189 hp @6000 rpm 181 lbft @3500 rpm . Lay the camshaft into the cam journals as shown in the picture. com/watch?v=6pAdZkyT0g4Intake Manifold Upgrade : https://www. Sep 9, 2023 · With a few well-selected upgrades, you can coax an additional 100+ horsepower out without compromising daily drivability. I haven't decided yet whether I'm going to do headers or not, but I've already installed the Dinan CAI, and I'll be doing a MaxBore throttle body this fall. Mar 25, 2017 · You'll also need a cam cover and coil harness. I know it sounds stupid, but all of the extra bits and pieces on intake manifold are shaved off and flattened. 5i/3. Jul 21, 2020 · The best performance upgrade for your E46 is an S54. 5 liters (2,494 cc, 152. I preferred using this camshaft by SCHRICK due to its spec :Schrick item Apr 14, 2023 · With an increased displacement of 2. To be on the road, the cats need to remain and there are hi flow upgrades. 5L, the M54B25 is far more capable than the B22 in terms of power and torque output. 5. Once I get the cams, I'm planning on getting a tune. Jun 21, 2010 · The old m52 cams are 228 228 with 9mm lift, the new ones (m52tu-m54b25) are 228 intake with 9mm lift and 244 exhaust with 9mm lift. Schrick manufactures the finest camshafts from premium blank cores in their state of the art facility in Germany. 0L by changing the following: "M54B30 Crank M54B30 or M52TUB28 rods M54B30 spec pistons (stock or aftermarket made for M54B30). Thoroughly clean your new or used intake cam with solvent or brake cleaner and blow dry. Stage 1 mods: Intake headers, Panel air filters, Remaps/piggy back ECU, Drilled & smoothed airbox, Fast road camshaft, Sports exhaust manifold. The M54B25 is essentially a bored and stroked version of the M54B22, with an 84 mm (3. The best bang- for- the- buck upgrade for a 325 is an M54B30. These sport cams for the M54 engine in the E46 325i/330i, E39 525i/530i, and Z3 2. Mar 12, 2024 · The best news is that S50/S52 cams are a direct replacement for the factory M50 cams. BMW E46 325i M54 2. These sets are no exception. 2003 - 2009, roadster, coupe, facelift. If the Wiki page is correct, swapping in the ZHP cams is going to be a lot of expense for very little gain. The intake cam has 10. Install the cam so that the side of the flange with the 2 holes is facing up and angled toward the exhaust cam as shown. Apr 13, 2020 · The bolt I was referring to is the bolt that holds the helix gear to the cam on the M54 cam. For an M54b30, it says 240/228. Bosch coils are also okay but have been known to fail. The cam profile plays a big part in the engines power output so cam upgrades make quite a large difference. Dec 4, 2020 · 1) BMW M54 Headers Upgrade (Exhaust Manifold) Headers are first on the list of M54 mods for good reason. The were made by several OEM manufacturer's, the latest part number is 12138616153 which is a Delphi coil and is also fitted to the current turbo engines including S55. May 22, 2017 · Plan is to get cam shafts polished for now and take care of it in the future. The B25’s compression ratio actually saw a decrease to 10. This double overhead camshaft (DOHC) engine features BMW’s VANOS system on both the intake and exhaust camshafts, enhancing the engine’s efficiency and power delivery. In the m54's case the exhaust twin manifolds with catalytic converters and O2 bungs. Mar 18, 2011 · Schrick hot cam set for M54 is only 248 duration on exhaust side. The factory exhaust manifold is restrictive, which creates a lot of back pressure. If you want to increase the level of HP, you will need M54B30 stroker kit which includes crankshaft, connecting rods, pistons, intake manifold, injectros, ECU, throttle body and intake camshaft. The m54b30 has 240 and 9. For a M54b25 engine, the software indicates 228/228, which matches BMW's documentation. Dec 29, 2019 · Final HP measurement on dyno after the upgrades : https://www. The M54B25 engine boasts a displacement of 2. Oct 17, 2018 · Below is from the M54 Wikipedia page. The BMW M54B25 engine features a cast-aluminum alloy cylinder block with cast-iron cylinder liners. 5L can be converted into a M54B30 3. In the second thread the guy originally suggests the M54B25 IM is the correct choice for his TU, but changes his tune a bit after he sees some dynos coming in higher for the B30 while still retaining torque.