Increase of +10 Horsepower, and +15 Torque, Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
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Increase of +20 Horsepower, and +26 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance high-flow exhausts!
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If your BMW is throwing a CEL for fuel trim adaptations, oxygen sensors degrade from extreme exhaust heat and carbon buildup, sending lazy or incorrect data to your DME.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
By limiting the side-to-side deflection of the gearbox, these mounts ensure your shift linkage stays perfectly aligned with your hand, providing a mechanical, bolt-action feel to every gear change.
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Restore your BMW's shifting precision and throttle response with Stage 1 Performance Engine Mounts.
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Prevent misfires, restore power and remove check engine lights by replacing your ignition coils with this option from Hitachi.
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A common cause of misfires, sluggish acceleration, and check engine lights.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date up to 04/2006
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date up to 09/06 | Also use- (Qty.) (1) 11 12 0 409 288 valve cover bolt kit, (1) 11 12 7 528 242 gasket, (1) 11 37 7 516 302 gasket.
Includes radiator, hoses, temperature switch, and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with automatic transmission only
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
